{"id":47,"date":"2024-10-16T11:26:09","date_gmt":"2024-10-16T11:26:09","guid":{"rendered":"https:\/\/www2.marbio.sdu.dk\/?page_id=47"},"modified":"2026-04-02T11:39:56","modified_gmt":"2026-04-02T11:39:56","slug":"__trashed","status":"publish","type":"page","link":"https:\/\/www.marbio.sdu.dk\/?page_id=47","title":{"rendered":"Publication list"},"content":{"rendered":"\n
1977 – 2000<\/strong><\/summary>\n

1) Riisg\u00e5rd, H.U.<\/strong> (1977). On measurements of the filtration rates in suspensions-feeding bivalves in a flow system. Ophelia 16, 167-173.<\/p>\n\n\n\n

2) M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1978). Efficiency of particle retention in 13 species of suspension-feeding bivalves. Ophelia 17, 239-246.<\/p>\n\n\n\n

3) Riisg\u00e5rd, H.U.<\/strong> (1979). Effect of copper on volume regulation in the marine flagellate Dunaliella marina<\/em>. Mar. Biol. 50, 189-193.<\/p>\n\n\n\n

4) Riisg\u00e5rd, H.U.<\/strong> (1979). Danish marine oil pollution policy. Mar. Pollut. Bull. 10, 250-253.<\/p>\n\n\n\n

5) M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1979). Filtration rate, using a new indirect technique, in thirteen species of suspensions-feeding bivalves. Mar. Biol. 54, 143-148.<\/p>\n\n\n\n

6) Randl\u00f8v, A., Riisg\u00e5rd, H.U.<\/strong> (1979). Efficiency of particle retention and filtration rate in four species of ascidians. Mar. Ecol. Prog. Ser. 1, 55-59.<\/p>\n\n\n\n

7) Riisg\u00e5rd, H.U.<\/strong>, M\u00f8hlenberg, F. (1979). An improved automatic recording apparatus for determining the filtration rate of Mytilus edulis<\/em> as a function of size and algal concentration. Mar. Biol. 52, 61-67.<\/p>\n\n\n\n

8) Riisg\u00e5rd, H.U.<\/strong>, N\u00f8rg\u00e5rd Nielsen, K., S\u00f8gaard-Jensen, B. (1980). Further studies on volume regulation and effects of copper in relation to pH and EDTA in the naked marine flagellate Dunaliella marina<\/em>. Mar. Biol. 56, 267-276.<\/p>\n\n\n\n

9) Riisg\u00e5rd, H.U.<\/strong>, Randl\u00f8v, A., Sand Kristensen, P. (1980). Rates of water processing oxygen consumption and efficiency of particle retention in veligers and young post-metamorphic Mytilus edulis<\/em>. Ophelia 19, 37-47.<\/p>\n\n\n\n

10) Riisg\u00e5rd, H.U.<\/strong> (1981). Cell-volume responses in the naked marine flagellate Dunaliella marina<\/em> transferred from darkness to light of different intensities. Bot. Mar. 24, 657-659.<\/p>\n\n\n\n

11) Jensen, K., Randl\u00f8v, A., Riisg\u00e5rd, H.U.<\/strong> (1981). Heavy metal pollution from a point source demonstrated by means of mussels, Mytilus edulis<\/em>. Chemosphere 10: 761-765.<\/p>\n\n\n\n

12) Riisg\u00e5rd, H.U.<\/strong>, Poulsen, E. (1981). Growth of Mytilus edulis<\/em> in net bags transferred to different localities in an eutrophicated Danish fjord. Mar. Pollut. Bull. 12, 272-276.<\/p>\n\n\n\n

13) Riisg\u00e5rd, H.U.<\/strong>, Randl\u00f8v, A. (1981). Energy budgets, growth and filtration rates in Mytilus edulis<\/em> at different algal concentration. Mar. Biol. 61, 227-234.<\/p>\n\n\n\n

14) Riisg\u00e5rd, H.U.<\/strong>, Randl\u00f8v, A., Hamburger, K. (1981). Oxygen consumption and clearance as a function of size in Mytilus edulis<\/em> L. veliger larvae. Ophelia 20, 179-183.<\/p>\n\n\n\n

15) K\u00f6hler, K., Riisg\u00e5rd, H.U.<\/strong> (1982). Formation of metallothioneins in relations to accumulation of cadmium in the common mussel, Mytilus edulis<\/em>. Mar. Biol. 66, 53-58.<\/p>\n\n\n\n

16) Poulsen, E., M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1982). Accumulation of cadmium and bioenergetics in the mussel Mytilus edulis<\/em>. Mar. Biol. 68, 25-29.<\/p>\n\n\n\n

17) Hamburger, K., M\u00f8hlenberg, F., Randl\u00f8v, A., Riisg\u00e5rd, H.U.<\/strong> (1983). Size, oxygen consumption and growth in the mussel Mytilus edulis<\/em>. Mar. Biol. 75, 303-306.<\/p>\n\n\n\n

18) Ki\u00f8rboe, T., M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1983). Mercury levels in fish, invertebrates and sediment in a recently recorded polluted area (Nissum Broad, Western Limfjord, Denmark). Mar. Pollut. Bull. 14, 21-24.<\/p>\n\n\n\n

19) Riisg\u00e5rd, H.U.<\/strong>, Jensen, A. (1983). On the distribution of mercury in muscles and soft parts of the mussel Mytilus edulis<\/em> collected in areas with different levels of mercury pollution. In: Proceedings of Chemicals in the Environment, Copenhagen, 18-20 October 1982, pp. 226-238.<\/p>\n\n\n\n

20) Riisg\u00e5rd, H.U.<\/strong> (1984). Mercury pollution in the waters around Harbo\u00f8re Tange and Limfjord, Denmark. Mar. Pollut. Bull. 15, 129-133.<\/p>\n\n\n\n

21) J\u00f8rgensen, C.B., Ki\u00f8rboe, T., M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1984). Ciliary and mucus net filter feeding, with special reference to fluid mechanical characteristics. Mar. Ecol. Prog. Ser. 15, 283-292.<\/p>\n\n\n\n

22) Riisg\u00e5rd, H.U.<\/strong>, Ki\u00f8rboe, T., M\u00f8hlenberg, F., Drab\u00e6k, I., Madsen, P.P. (1985). Accumulation, elimination and chemical speciation of mercury in the bivalves Mytilus edulis<\/em> and Macoma balthica<\/em>. Mar. Biol. 86, 55-62.<\/p>\n\n\n\n

23) Ki\u00f8rboe, T., M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1985). In situ feeding rates of plantonic copepods: a comparison of four methods. J. Exp. Mar. Biol. Ecol. 88, 67-81.<\/p>\n\n\n\n

24) J\u00f8rgensen, C.B., Famme, P., Kristensen, H.S., Larsen, P.S., M\u00f8hlenberg, F. Riisg\u00e5rd, H.U.<\/strong> (1986). The bivalve pump. Mar. Ecol. Prog. Ser. 34, 69-77.<\/p>\n\n\n\n

25) Famme, P., Riisg\u00e5rd, H.U.<\/strong>, J\u00f8rgensen, C.B. (1986). On direct measurement of pumping rates in the mussel Mytilus edulis<\/em>. Mar. Biol. 92, 323-327.<\/p>\n\n\n\n

26) Riisg\u00e5rd, H.U.<\/strong>, Famme, P. (1986): Accumulation of inorganic and organic mercury in shrimp, Crangon crangon<\/em>. Mar. Pollut. Bull. 17, 255-257.<\/p>\n\n\n\n

27) Toudal, K., Riisg\u00e5rd, H.U.<\/strong> (1987): Acute and sublethal effects of cadmium on ingestion, egg production and life-cycle development in the copepod Acartia tonsa<\/em>. Mar. Ecol. Prog. Ser. 37, 141-146.<\/p>\n\n\n\n

28) Riisg\u00e5rd, H.U.<\/strong>, Bj\u00f8rnestad, E., M\u00f8hlenberg, F. (1987). Accumulation of cadmium in the mussel Mytilus edulis: kinetics and importance of uptake via food and sea water. Mar. Biol. 96, 349-353.<\/p>\n\n\n\n

29) J\u00f8rgensen, C.B., Riisg\u00e5rd, H.U.<\/strong> (1988). Gill pump characteristics of the soft clam Mya arenaria<\/em>. Mar. Biol. 99: 107-109.<\/p>\n\n\n\n

30) J\u00f8rgensen, C.B., Larsen, P.S., M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1988). The mussel pump: properties and modelling. Mar. Ecol. Prog. Ser. 45: 205-216.<\/p>\n\n\n\n

31) Kryger, J., Riisg\u00e5rd, H.U.<\/strong> (1988). Filtration rate capacities in 6 species of European freshwater bivalves. Oecologia 77: 34-38.<\/p>\n\n\n\n

32) M\u00f8hlenberg, F., Riisg\u00e5rd, H.U.<\/strong> (1988). Partitioning of inorganic and organic mercury in the cockles Cardium edule<\/em> (L.) and C. glaucum<\/em> (Bruguiere) from a chronically polluted area: influence of size and age. Environ. Pollut. 55: 137-148.<\/p>\n\n\n\n

33) Riisg\u00e5rd, H.U.<\/strong>, Famme, P. (1988). Distribution and mobility of organic and inorganic mercury in flounder, Platichtys flesus<\/em>, from a chronically polluted area. Toxicol. Environ. Chem. 16, 219-228.<\/p>\n\n\n\n

34) Riisg\u00e5rd, H.U.<\/strong> (1988): Efficiency of particle retention and filtration rate in 6 species of Northeast American bivalves. Mar. Ecol. Prog. Ser. 45: 217-223.<\/p>\n\n\n\n

35) Riisg\u00e5rd, H.U.<\/strong> (1988). The ascidian pump: properties and energy cost. Mar. Ecol. Prog. Ser. 47: 129-134.<\/p>\n\n\n\n

36) Riisg\u00e5rd, H.U.<\/strong> (1988). Feeding rates in hard clam (Mercenaria mercenaria<\/em>) veliger larvae as a function of algal (Isochrysis galbana<\/em>) concentration. J. Shell. Res. 7: 377-380.<\/p>\n\n\n\n

37) Riisg\u00e5rd, H.U.<\/strong> (1989). Properties and energy cost of the muscular piston pump in the suspension feeding polychaete Chaetopterus variopedatus<\/em>. Mar. Ecol. Prog. Ser. 56: 157-168.<\/p>\n\n\n\n

38) Riisg\u00e5rd, H.U.<\/strong>, Hansen, S. (1990). Biomagnification of mercury in a marine grazing food chain: algal cells Phaeodactylum tricornutum<\/em>, mussels Mytilus edulis<\/em> and flounders Platichtys flesus<\/em> studied by means of a stepwise-reduction CVAA-method. Mar. Ecol. Prog. Ser. 62: 259-270.<\/p>\n\n\n\n

39) Riisg\u00e5rd, H.U.<\/strong>, Ivarsson, N.M. (1990). The crown-filament-pump of the suspension-feeding polychaete Sabella penicillus<\/em>: filtration, effects of temperature, energy cost, and modelling. Mar. Ecol. Prog. Ser. 62: 249-257.<\/p>\n\n\n\n

40) J\u00f8rgensen, C.B., Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (1990). Effects of temperature on the mussel pump. Mar. Ecol. Prog. Ser. 64: 89-97.<\/p>\n\n\n\n

41) Riisg\u00e5rd, H.U.<\/strong> (1991). Filtration rate and growyh in the blue mussel Mytilus edulis<\/em> Linneaus, 1758: dependence on algal concentration. J. Shell. Res. 10: 29-35.<\/p>\n\n\n\n

42) Riisg\u00e5rd, H.U.<\/strong> (1991). Suspension feeding in the polychaete Nereis diversicolor<\/em>. Mar. Ecol. Prog. Ser. 70: 29-37.<\/p>\n\n\n\n

43) Riisg\u00e5rd, H.U.<\/strong>, Vedel, A., Boye, H., Larsen, P.S. (1992). Filter-net structure and pumping activity in the polychaete Nereis diversicolor<\/em>: effects of temperature and pump-modelling. Mar. Ecol. Prog. Ser. 83: 79-89.<\/p>\n\n\n\n

44) Petersen, J. K., Riisg\u00e5rd, H.U.<\/strong> (1992). Filtration capacity of the ascidian Ciona intestinalis<\/em> and its grazing impact in a shallow fjord. Mar. Ecol. Prog. Ser. 88: 9-17.<\/p>\n\n\n\n

45) Nielsen, N.F., Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong>, J\u00f8rgensen, C.B. (1993). Fluid motion and particle retention in the gill of Mytilus edulis<\/em>: video recordings and numerical modelling. Mar. Biol. 116: 61-71.<\/p>\n\n\n\n

46) Riisg\u00e5rd, H.U.<\/strong>, Thomassen, S., Jakobsen, H., Weeks, J., Larsen, P.S. (1993). Suspension feeding in marine sponges Halichondria panicea<\/em> and Haliclona urceolus<\/em>: effects of temperature on filtration rate and energy cost of pumping. Mar. Ecol. Prog. Ser. 96: 177-188.<\/p>\n\n\n\n

47) Vedel, A., Riisg\u00e5rd, H.U.<\/strong> (1993). Filter-feeding in the polychaete Nereis diversicolor<\/em>: growth and bioenergetics. Mar. Ecol. Prog. Ser. 100: 145-152.<\/p>\n\n\n\n

48) Vedel, A., Andersen, B.B., Riisg\u00e5rd, H.U.<\/strong> (1993). Field investigations of pumping activity of the facultatively filter-feeding polychaete Nereis diversicolor<\/em> using an improved infrared phototransducer system. Mar. Ecol. Prog. Ser. 103: 91-101.<\/p>\n\n\n\n

49) Olesen, N.J., Frandsen, K., Riisg\u00e5rd, H.U.<\/strong> (1994). Population dynamics, growth and energetics of jellyfish Aurelia aurita<\/em> in a shallow fjord. Mar. Ecol. Prog. Ser. 105: 9-18.<\/p>\n\n\n\n

50) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (1994). The sponge pump. J. theor. Biol. 168: 53-63.<\/p>\n\n\n\n

51) Riisg\u00e5rd, H.U.<\/strong> (1994). Filter-feeding in the polychaete Nereis diversicolor<\/em>: A review. Neth. J. Aqua. Ecol. 28: 453-458.<\/p>\n\n\n\n

52) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (1995). Filter-feeding in marine macroinvertebrates: pump characteristics, modelling and energy cost. Biol. Rev. Camb. Phil. Soc. 70: 67-106.<\/p>\n\n\n\n

53) Riisg\u00e5rd, H.U.<\/strong>, Christensen, P.B., Olesen, N.J., Petersen, J.K., M\u00f8ller, M.M., Andersen, P. (1995). Biological structure in a shallow cove (Kertinge Nor, Denmark) \u2013 Control by benthic nutrient fluxes and suspension-feeding ascidians and jellyfish. Ophelia 41: 329-344.<\/p>\n\n\n\n

54) Nielsen, A.M., Eriksen, N.T., Iversen, J.J.L., Riisg\u00e5rd, H.U.<\/strong> (1995). Feeding, growth and respiration in the polychaetes Nereis diversicolor<\/em> (facultative filter-feeder) and N. virens<\/em> (omnivorous) \u2013 a comparative study. Mar. Ecol. Prog. Ser. 125: 149-158.<\/p>\n\n\n\n

55) Thomassen, S., Riisg\u00e5rd, H.U.<\/strong> (1995). Growth and energetics of the sponge Halichondria panicea<\/em>. Mar. Ecol. Prog. Ser. 128: 239-246.<\/p>\n\n\n\n

56) Riisg\u00e5rd, H.U.<\/strong>, J\u00fcrgensen, C., Andersen, F.\u00d8. (1996). Case study: Kertinge Nor. In: Eutrophication in coastal marine ecosystems (Eds. B. Barker J\u00f8rgensen & K. Richardson). American Geophysical Union. Coastal and Estuarine Studies 52: 205-221.<\/p>\n\n\n\n

57) Riisg\u00e5rd, H.U.<\/strong>, J\u00fcrgensen, C., Clausen, T. (1996). Filter-feeding ascidians (Ciona intestinalis<\/em>) in a shallow cove: implications of hydrodynamics for grazing impact. J. Sea Res. 35: 293-300.<\/p>\n\n\n\n

58) Riisg\u00e5rd, H.U.<\/strong>, I. Berntsen, B. Tarp (1996). The lugworm Arenicola marina<\/em> pump \u2013 characteristics, modelling and energy cost. Mar. Ecol. Prog. Ser. 138: 149-156.<\/p>\n\n\n\n

59) Riisg\u00e5rd, H.U.<\/strong>, Poulsen, L., Larsen, P.S. (1996). Phytoplankton reduction in near-bottom water caused by filter-feeding Nereis diversicolor<\/em> \u2013 implications for worm growth and population grazing impact. Mar. Ecol. Prog. Ser. 141: 47-54.<\/p>\n\n\n\n

60) Clausen, I., Riisg\u00e5rd, H.U.<\/strong> (1996). Growth, filtration and respiration in the mussel Mytilus edulis<\/em>: no regulation of the filter-pump to nutritional needs. Mar. Ecol. Prog. Ser. 141: 37-45.<\/p>\n\n\n\n

61) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S., Nielsen, N.F. (1996). Particle capture in the mussel Mytilus edulis<\/em>: the role of latero-frontal cirri. Mar. Biol. 127: 259-266.<\/p>\n\n\n\n

62) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (1997). Biomixing generated by benthic filter-feeders: a diffusion model for near-bottom phytoplankton depletion. J. Sea Res. 37: 81-90.<\/p>\n\n\n\n

63) Riisg\u00e5rd, H.U.<\/strong>, Manr\u00edquez, P. (1997). Filter-feeding in fifteen marine ectoprocts (Bryozoa): particle capture and water pumping. Mar. Ecol. Prog. Ser. 154: 223-239.<\/p>\n\n\n\n

64) Riisg\u00e5rd, H.U.<\/strong>, Goldson, A. (1997). Minimal scaling of the lophophore filter-pump in ectoprocts (Bryozoa) excludes physiological regulation of filtration rate to nutritional needs. Test of hypothesis. Mar. Ecol. Prog. Ser. 156: 109-120.<\/p>\n\n\n\n

65) Frandsen, K., Riisg\u00e5rd, H.U.<\/strong> (1997). Size dependent respiration and growth of jellyfish (Aurelia aurita<\/em>). Sarsia 82: 307-312.<\/p>\n\n\n\n

66) Nielsen, A.S., Pedersen, A.W., Riisg\u00e5rd, H.U.<\/strong> (1997). Implications of density driven currents for interaction between jellyfish (Aurelia aurita<\/em>) and zooplankton in a Danish fjord. Sarsia 82: 297-305.<\/p>\n\n\n\n

67) Nielsen, C., Riisg\u00e5rd, H.U.<\/strong> (1998). Tentacle structure and filter-feeding in Crisia eburnea<\/em> and other cyclostomatous bryozoans, with a review of upstream-collecting mechanisms. Mar. Ecol. Prog. Ser. 168: 163-186.<\/p>\n\n\n\n

68) Riisg\u00e5rd, H.U.<\/strong> (1998). Filter feeding and plankton dynamics in a Danish fjord: A review of the importance of flow, mixing, and density-driven circulation. J. Envir. Manag. 53: 195-207.<\/p>\n\n\n\n

69) Riisg\u00e5rd, H.U.<\/strong> (1998). No foundation of a \u20193\/4 power scaling law\u2019 for respiration in biology. Ecol. Lett. 1: 71-73.<\/p>\n\n\n\n

70) Riisg\u00e5rd, H.U.<\/strong>, Jensen, A.S., J\u00fcrgensen, C. (1998). Hydrography, near-bottom currents and grazing impact of benthic filter-feeding ascidians (Ciona intestinalis<\/em>) in a Danish fjord. Ophelia 49: 1-16.<\/p>\n\n\n\n

71) Riisg\u00e5rd, H.U.<\/strong>, Banta, G. T. (1998). Irrigation and deposit feeding by the lugworm Arenicola marina<\/em>, characteristics and secondary effects on the environment. A review of current knowledge. Life & Environment 48: 243-257.<\/p>\n\n\n\n

72) Larsen, P.S., Matlok, S., Riisg\u00e5rd, H.U.<\/strong> (1998). Bryozoan filter feeding in laminar wall layers: flume experiments and computer simulation. Life & Environment 48: 309-319.<\/p>\n\n\n\n

73) Riisg\u00e5rd, H.U.<\/strong>, Svane I. (1999). Filter feeding in lancelets (amphioxus) Brachiostoma lanceolatum<\/em>. Invert. Biol. 118: 423-432.<\/p>\n\n\n\n

74) Riisg\u00e5rd, H.U.<\/strong> (2000). The peer-review system: time for re-assessment? Mar. Ecol. Prog. Ser. 192: 305-313. \u2013 see also: Riisg\u00e5rd, H.U. (2000). The peer-review system. ASLO Bulletin 9: 20.<\/p>\n\n\n\n

75) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2000). A comment on experimental techniques for studying particle capture in filter-feeding bivalves. Limnol. Oceanogr. 45: 1192-1195.<\/p>\n\n\n\n

76) Riisg\u00e5rd, H.U.<\/strong>, Nielsen, C., Larsen, P.S. (2000). Downstream collecting in ciliary suspension feeders: the catch-up principle. Mar. Ecol. Prog. Ser. 207: 33-51.<\/p>\n\n\n\n

77) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2000). Chimney spacing in encrusting bryozoan colonies. ICTAM 2000. 20th International Congress of Theoretical and Applied Mechanics, Chicago, Aug. 27th \u2013 Sept. 2ed, 2000. Abstract Book, Dept. of Theoretical and Applied Mechanics, Univ. of Illinois at Urbana-Champaign, USA, pp. 201-202. ISSN 0073-5264. <\/p>\n\n\n\n

78) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2000). Comparative ecophysiology of active zoobenthic filter-feeding, essence of current knowledge. J. Sea Res. 44: 169-193.<\/p>\n<\/details>\n\n\n\n

2001 – 2009<\/strong><\/summary>\n

79) Riisg\u00e5rd, H.U.<\/strong> (2001). On measurement of filtration rate in bivalves – the stony road to reliable data, review and interpretation. Mar. Ecol. Prog. Ser. 211: 275-291.<\/p>\n\n\n\n

80) Riisg\u00e5rd, H.U.<\/strong>, Kamermans, P. (2001). Switching between deposit and suspension feeding in coastal zoobenthos. In: Ecological comparisons of sedimentary shores (ed. K. Reise). Ecological studies. Springer-Verlag BerlinHeidelberg, pp. 73-101.<\/p>\n\n\n\n

81) Riisg\u00e5rd, H.U.<\/strong> (2001). The stony road to reliable filtration rate measurements in bivalves: a reply. Mar. Ecol. Prog. Ser. 215: 307-310.<\/p>\n\n\n\n

82) Riisg\u00e5rd, H.U.,<\/strong> Larsen, P.S., (2001). Minireview: Ciliary filter feeding and bio-fluid mechanics – present understanding and unsolved problems. Limnol. Oceanogr. 46: 882-891.<\/p>\n\n\n\n

83) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2001). Chimney spacing in encrusting bryozoan colonies (Membraniporamembranacea)<\/em>: observations and hydrodynamic modelling. Ophelia 54(3): 167-176.<\/p>\n\n\n\n

84) Hermansen, P. Larsen, P.S. Riisg\u00e5rd, H.U.<\/strong> (2001). Colony growth rate of encrusting bryozoans (Electra pilosa<\/em> and Celleporella hyalina<\/em>): importance of algal concentration and water flow. J. Exp. Mar. Biol. Ecol. 263: 1-23.<\/p>\n\n\n\n

85) Riisg\u00e5rd H.U.<\/strong> (2001). Physiological regulation versus<\/em> autonomous filtration in filter-feeding bivalves: starting points for progress. Ophelia 54(3): 193-209.<\/p>\n\n\n\n

86) Riisg\u00e5rd, H.U.<\/strong> (2001). Inaccurate bivalve clearance rate measurements: a reply. Mar. Ecol. Prog. Ser. 221: 307-309.<\/p>\n\n\n\n

87) Riisg\u00e5rd, H.U.<\/strong>, Gr\u00e9mare,A., Amouroux, A.J.M.,V\u00e9tion, G., Charles, F., Rosenberg, R., Nielsen, C. (2002). A comparative study of water processing in two ciliary filter-feeding polychaetes (Ditrupa arietina<\/em> and Euchone papillosa<\/em>) from two different habitats. Mar. Ecol. Prog. Ser. 229: 113-126.<\/p>\n\n\n\n

88) Riisg\u00e5rd, H.U.<\/strong> (2002). The methods of ciliary filter feeding in the adult Phoronis muelleri<\/em> and its free swimming actinotrocha larva. Mar. Biol. 141: 75-87.<\/p>\n\n\n\n

89) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2002). On ciliary sieving and pumping in bryozoans. J. Sea Res. 291: 181-195.<\/p>\n\n\n\n

90) Riisg\u00e5rd, H.U.<\/strong>, Kittner, C., Seerup, D.F. (2003) Regulation of opening state and filtration rate in filter-feeding bivalves (Cardium edule<\/em>, Mytilus edulis<\/em>, Mya arenaria<\/em>) in response to low algal concentration. J. Exp. Mar. Biol. Ecol. 284: 105-127.<\/p>\n\n\n\n

91) Riisg\u00e5rd, H.U.<\/strong> (2003). Misuse of the peer-review system: time for countermeasures? Mar. Ecol. Prog. Ser. 258: 297-309.<\/p>\n\n\n\n

92) Riisg\u00e5rd, H.U.<\/strong>, Seerup, D.F. (2003). Filtration rates in soft clam, Mya arenaria<\/em>: effects of temperature and body size. Sarsia 88: 425-428.<\/p>\n\n\n\n

93) Riisg\u00e5rd, H.U.,<\/strong> Seerup, D.F., M.H. Hjort, E. Glob, P.S. Larsen (2004). Grazing impact of filter-feeding zoobenthos in a Danish fjord. J. Exp. Mar. Biol. Ecol. 307: 261-271.<\/p>\n\n\n\n

94) Riisg\u00e5rd, H.U<\/strong>., Nielsen, K.K., Fuchs, J., F\u00f8ns, B.F. Rasmussen, Obst, M., Funch, P. (2004). Ciliary feeding structures and particle capture mechanism in the freshwater bryozoan Plumatella repens<\/em>. Invertebr. Biol. 123(2): 155-166.<\/p>\n\n\n\n

95) Riisg\u00e5rd, H.U.<\/strong> (2004). Intercalibration of methods for measurement of bivalve filtration rates – a turning point. Mar. Ecol. Prog. Ser. 276: 307-308.<\/p>\n\n\n\n

96) Riisg\u00e5rd, H.U.<\/strong> (2004). Peer review: journal articles versus research proposals. Mar. Ecol. Prog. Ser. 277: 301-309.<\/p>\n\n\n\n

97) Riisg\u00e5rd, H.U.<\/strong> (2004). Zoobenthic consumers of the primary production in the marine environment. Energetics, adaptations and grazing impact of marine filter-feeding macroinvertebrates – overview and recent research developments. Recent. Res. Devel. Environ. Biol. 1(2): 269-315.<\/p>\n\n\n\n

98) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S. (2005). Water pumping and analysis of flow in burrowing zoobenthos – an overview. Aquatic Ecology 39: 237-258.<\/p>\n\n\n\n

99) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S. (2005). Water flow analysis and particle capture in ciliary filter-feeding scallops (Pectinidae). Mar. Ecol. Prog. Ser. 303: 177-193.<\/p>\n\n\n\n

100) Hansson, L.J. Moeslund, O., Ki\u00f8rboe, T., Riisg\u00e5rd, H.U<\/strong>. (2005). Clearance rates of jellyfish and their potential predation impact on zooplankton and fish larvae in a neritic ecosystem (Limfjorden, Denmark). Mar. Ecol. Prog. Ser. 304: 117-131.<\/p>\n\n\n\n

101) Kittner, C., Riisg\u00e5rd, H.U.<\/strong> (2005) Effect of temperature on filtration rate in the mussel Mytilus edulis<\/em> – no evidence for temperature compensation. Mar. Ecol. Prog. Ser. 305: 147-152.<\/p>\n\n\n\n

102) Lassen, J., Korteg\u00e5rd, M., Riisg\u00e5rd, H.U.<\/strong>, Friedrichs, M., Graff, G., Larsen, P.S. (2006). Down-mixing of phytoplankton above filter-feeding mussels – interplay between water flow and biomixing. Mar. Ecol. Prog. Ser. 314: 77-88.<\/p>\n\n\n\n

103) M\u00f8ller, L.F., Riisg\u00e5rd, H.U.<\/strong> (2006). Filter feeding in the burrowing amphipod Corophium volutator<\/em>. Mar. Ecol. Prog. Ser. 322: 213-224.<\/p>\n\n\n\n

104) Riisg\u00e5rd, H.U.<\/strong>, Nielsen C. (2006). Feeding mechanism of the polychaete Sabellaria alveolata<\/em>: comment on Dubois et al. (2005). Mar. Ecol. Prog. Ser. 328: 295-305.<\/p>\n\n\n\n

105) Riisg\u00e5rd, H.U<\/strong>, Lassen, J, Kittner, C. (2006). Valve-gape response times in mussels (Mytilus edulis<\/em>) – effects of laboratory preceding-feeding conditions and in situ<\/em> tidally induced variation in phytoplankton biomass. J. Shellfish Res. 25: 901-913.<\/p>\n\n\n\n

106) M\u00f8ller, L.F., Riisg\u00e5rd, H.U.<\/strong> (2007). Respiration in the scyphozoan jellyfish Aurelia aurita<\/em> and two hydromedusae (Sarsia tubulosa<\/em> and Aequorea vitrina)<\/em>: effect of size, temperature and growth. Mar. Ecol. Prog. Ser. 330: 149-154.<\/p>\n\n\n\n

107) Riisg\u00e5rd, H.U.<\/strong> (2007). Biomechanics and energy cost of the amphipod Corophium volutator<\/em> filter-pump. Biol. Bull. 212: 104-114.<\/p>\n\n\n\n

108) Riisg\u00e5rd, H.U.<\/strong> (2007). Feeding behaviour of the hydromedusa Aequorea vitrina<\/em>. Scientia Marina 71: 395-404.<\/p>\n\n\n\n

109) Riisg\u00e5rd, H.U.<\/strong>, Lassen, J., Kortegaard, M., M\u00f8ller, L.F., Friedrichs, M., Jensen, M.H., Larsen, P.S. (2007). Interplay between filter-feeding zoobenthos and hydrodynamics in the shallow Odense Fjord (Denmark) – Earlier and recent studies, perspectives and modelling. Estuar. Coast. Shelf S. 75: 281-295.<\/p>\n\n\n\n

110) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S. (2007). Viscosity of seawater controls beat frequency of water-pumping cilia and filtration rate of mussels Mytilus edulis<\/em>. Mar. Ecol. Prog. Ser. 343: 141-150.<\/p>\n\n\n\n

111) M\u00f8ller, L.F., Riisg\u00e5rd, H.U. <\/strong>(2007). Impact of jellyfish and mussels on algal blooms caused by seasonal oxygen depletion and nutrient release from the sediment in a Danish fjord. J. Exp. Mar. Biol. Ecol. 351: 92-105.<\/p>\n\n\n\n

112) M\u00f8ller, L.F., Riisg\u00e5rd, H.U<\/strong>. (2007). Feeding, bioenergetics and growth in the common jellyfish Aurelia aurita<\/em> and two hydromedusae Sarsia tubulosa<\/em> and Aequorea vitrina<\/em>. Mar. Ecol. Prog. Ser. 346: 167-177.<\/p>\n\n\n\n

113) M\u00f8ller, L.F., Riisg\u00e5rd, H.U. <\/strong>(2007). Population dynamics, growth and predation impact of the common jellyfish, Aurelia aurita<\/em> and two hydromedusae (Sarsia tubulosa<\/em> and Aequorea vitrina<\/em>) in Limfjorden (Denmark). Mar. Ecol. Prog. Ser. 346: 153-165.<\/p>\n\n\n\n

114) Riisg\u00e5rd, H.U.<\/strong>, Schotge, P. (2007). Surface deposit-feeding versus filter-feeding in the amphipod Corophium volutator<\/em>. Mar. Biol. Res. 3: 421-427.<\/p>\n\n\n\n

115) Riisg\u00e5rd, H.U.<\/strong>, B\u00f8ttiger, L., Madsen, C.V., Purcell, J.E. (2007). Invasive ctenophore Mnemiopsis leidyi <\/em>in Limfjorden (Denmark) in late summer 2007 – assessment of abundance and predation impact. Aquat. Invasions 2(4): 395-401.<\/p>\n\n\n\n

116) Tendal, O.S., Jensen, K.R., Riisg\u00e5rd, H.U.<\/strong> (2007). Invasive ctenophore Mnemiopsis leidyi<\/em> widely distributed in Danish waters. Aquat. Invasions 2(4): 455-460.<\/p>\n\n\n\n

117) Riisg\u00e5rd, H.U.,<\/strong> Jensen, M.H., Rask, N. (2008). Odense Fjord and Kerteminde Fjord\/Kertinge Nor (Chapter 16, p. 361-394). In: Schiewer, U. (Ed.). Ecology of Baltic Coastal Waters. Ecological Studies 197<\/em>. Springer-Verlag Berlin Heidelberg.<\/p>\n\n\n\n

118) Huwer, B., Storr-Paulsen M., Riisg\u00e5rd, H.U.<\/strong>, Haslob, H. (2008). Abundance, horizontal and vertical distribution of the invasive ctenophore Mnemiopsis leidyi <\/em>in the central Baltic Sea, November 2007. Aquat. Invasions 3(2): 113-124.<\/p>\n\n\n\n

119) Larsen, P.S., Vandt Madsen, C-M., Riisg\u00e5rd, H.U<\/strong>. (2008). Effect of temperature and viscosity on swimming velocity of the copepod Acartia tonsa<\/em>, brine skrimp Artemia salina<\/em>) and rotifer Brachionus plicalilis<\/em>. Aquat. Biol. 4: 47-54.<\/p>\n\n\n\n

120) Riisg\u00e5rd, H.U.<\/strong>, P.S. Larsen (2009). Ciliary-propelling mechanism, effect of temperature and viscosity on swimming speed, and adaptive significance of the ‘jumping’ ciliate Mesodinium rubrum<\/em>. Mar. Biol. Res. 5: 585-595.<\/p>\n\n\n\n

121) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2009). Viscosity and not biological mechanisms often controls the effects of temperature on ciliary activity and swimming velocity of small aquatic organisms. J. Exp. Mar. Biol. Ecol. 381: 67-73.<\/p>\n<\/details>\n\n\n\n

2010 – 2015<\/strong><\/summary>\n

122) Riisg\u00e5rd, H.U.<\/strong>, Okamura, B., Funch, P. (2010). Particle capture in ciliary filter-feeding gymnolaemate and phylactolaemate bryozoans – a comparative study. Acta Zool. 91: 416-425.<\/p>\n\n\n\n

123) Riisg\u00e5rd, H.U.<\/strong>, Barth-Jensen, C., Madsen, C.V. (2010). High abundance of the jellyfish Aurelia aurita<\/em> excludes the invasive ctenophore Mnemiopsis leidyi to establish <\/em>in a shallow cove (Kertinge Nor, Denmark). Aquat. Invasions 5(4): 347-356.<\/p>\n\n\n\n

124) Riisg\u00e5rd, H.U.<\/strong>, P.S. Larsen (2010). Particle-capture mechanisms in marine suspension-feeding invertebrates. Mar. Ecol. Prog. Ser. 418: 255-293.<\/p>\n\n\n\n

125) Madsen, C.V., Riisg\u00e5rd, H.U.<\/strong> (2010). Ingestion-rate method for measurement of clearance rates of the ctenophore Mnemiopsis leidyi<\/em>. Aquat. Invasions 5(4): 357-361.<\/p>\n\n\n\n

126) Riisg\u00e5rd, H.U.<\/strong>, Madsen, C.V. (2011). Clearance rates of ephyrae and small medusae of the common jellyfish Aurelia aurita<\/em> offered different types of prey. J. Sea Res. 65: 51-57.<\/p>\n\n\n\n

127) Riisg\u00e5rd, H.U.<\/strong>, J\u00f8rgensen, B.H., Lundgreen, K., Storti, F., Walther, J.H., Meyer, K.E., Larsen, P.S. (2011). The exhalant jet of mussels, Mytilus edulis<\/em>. Mar. Ecol. Prog. Ser. 437: 147-164.<\/p>\n\n\n\n

128) Riisg\u00e5rd, H.U.<\/strong>, Madsen, C.V, Barth, C., Purcell, J.E. (2011). Population dynamics and possible competition between the the indigenous scyphozoan Aurelia aurita<\/em> and the invasive ctenophore Mnemiopsis leidyi<\/em> in Limfjorden (Denmark). Aquat. Invasions 7(2): 147-162.<\/p>\n\n\n\n

129) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2011). Validation of the flow-through (FTC) and steady-state (SS) methods for clearance rate measurements in bivalves. Biol. Open 1(1): 6-11. https:\/\/doi.org\/10.1242\/bio.2011011<\/a><\/p>\n\n\n\n

130) Riisg\u00e5rd, H.U.<\/strong>, Egede, P.P., Saavedra, I.B. (2011). Feeding behaviour of mussels, Mytilus edulis<\/em>, with a mini-review of current knowledge. J. Mar. Res., pp. 1-13. https:\/\/doi.org\/10.1155\/2011\/312459<\/a><\/p>\n\n\n\n

131) Riisg\u00e5rd, H.U<\/strong>., Andersen, P., Hoffmann, E. (2012). From fish to jellyfish in the eutrophicated Limfjorden (Denmark). Estuaries and Coasts 35: 701-713.<\/p>\n\n\n\n

132) Riisg\u00e5rd, H.U.<\/strong>, Lundgreen, K., Larsen, P.S. (2012). Field data and growth model for mussels Mytilus edulis <\/em>in Danish waters. Mar. Biol. Res. 8: 683-700.<\/p>\n\n\n\n

133) Riisg\u00e5rd, H.U.<\/strong>, Jaspers, C., Serre, S., Lundgreen, K. (2012). Occurrence, inter-annual variability and zooplankton-predation impact of the invasive ctenophore Mnemiopsis leidyi <\/em>and the native jellyfish Aurelia aurita <\/em>in Limfjorden (Denmark) in 2010 and 2011. BioInvasions Rec. 1(3): 145-159.<\/p>\n\n\n\n

134) Riisg\u00e5rd, H.U.,<\/strong> B\u00f8ttiger, L., Pleissner, D. (2012). Effect of salinity on growth of mussels, Mytilus edulis<\/em>, with special reference to Great Belt (Denmark). Open J. Mar. Sci. 2: 167-176.<\/p>\n\n\n\n

135) Pleissner, D., Eriksen, N.T., Lundgreen, K., Riisg\u00e5rd, H.U. <\/strong>(2012). Biomass composition of blue mussels, Mytilus edulis<\/em>, is affected by living site and species of ingested microalgae. ISRN Zoology 1: 902152. https:\/\/doi.org\/10.5402\/2012\/902152<\/a><\/p>\n\n\n\n

136 Larsen, P.S., Lundgreen, K., Riisg\u00e5rd, H.U.<\/strong> (2013). Bioenergetic model predictions of actual growth and allometric transitions during ontogeny of juvenile blue mussels Mytilus edulis<\/em>. In: Nowak J., Kozlowski, M. (eds.): Mussels: ecology, life habits and control. Nova Science, New York, pp. 101-122.<\/p>\n\n\n\n

137) Riisg\u00e5rd, H.U., <\/strong>L\u00fcskow, F., Pleissner, D., Lundgreen, K., L\u00f3pez, M.A.P. (2013). Effect of salinity on filtration rates of mussels Mytilus edulis<\/em> with special emphasis on dwarfed mussels from the low-saline Central Baltic Sea. Helgol. Mar. Res. 67: 591-598.<\/p>\n\n\n\n

138) Riisg\u00e5rd, H.U<\/strong>., Pleissner, D., Lundgreen, K., Larsen P.S. (2013). Growth of mussels Mytilus edulis <\/em>at algal (Rhodomonas salina<\/em>) concentrations below and above saturation levels for reducted filtration rate. Mar. Biol. Res. 9(10): 1005-1017.<\/p>\n\n\n\n

139) Pleissner, D., Lundgreen, K., L\u00fcskow, F., Riisg\u00e5rd, H.U.<\/strong> (2013). Fluorometer controlled apparatus designed for long-term algal-feeding experiments and environmental effect studies with mussels. J. Mar. Biol. 1: 401961. https:\/\/doi.org\/10.1155\/2013\/401961<\/a><\/p>\n\n\n\n

140) Riisg\u00e5rd, H.U.<\/strong>, Lundgreen, K., Larsen, P.S. (2014). Potential for production of ‘mini-mussels’ in Great Belt (Denmark) evaluated on basis of actual growth of young mussels Mytilus edulis<\/em>. Aquac. Int. 22: 859-885.<\/p>\n\n\n\n

141) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S., Pleissner, D. (2014). Allometric equations for maximum filtration rate in blue mussels Mytilus edulis<\/em> and importance of condition index. Helgol. Mar. Res. 68: 193-198.<\/p>\n\n\n\n

142) Shiganova, T., Riisg\u00e5rd, H.U<\/strong>., Ghabooli, S., Tendal O.S. (2014). First report on Beroe ovata<\/em> in an unusual mixture of ctenophores in Great Belt (Denmark). Aquat. Invasions 9(1): 111-116.<\/p>\n\n\n\n

143) Larsen, P.S., Filgueira, R., Riisg\u00e5rd, H.U.<\/strong> (2014). Somatic growth of mussels Mytilus edulis<\/em> in field studies compared to predictions using BEG, DEB, and SFG models. J. Sea Res. 88: 100-108.<\/p>\n\n\n\n

144) Riisg\u00e5rd, H.U<\/strong>., Mulot, M., Merino, L., Pleissner, D. (2014). Effect of salinity-changing rates on filtration activity of mussels from two sites within the Baltic Mytilus<\/em> hybrid zone: the brackish Great Belt (Denmark) and the low saline Central Baltic Sea. Open J. Mar. Sci. 4: 101-109.<\/p>\n\n\n\n

145) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S., Turja, R., Lundgreen K. (2014). Dwarfism of mussels in the low saline Baltic Sea – growth to the salinity limit. Mar. Ecol. Prog. Ser. 517: 181-192.<\/p>\n\n\n\n

146) Riisg\u00e5rd, H.U.<\/strong>, Goldstein, J. (2014). Jellyfish and ctenophores in Limfjorden (Denmark) – mini-review, with recent new observations. J. Mar. Sci. Eng. 2: 593-615. https:\/\/doi.org\/10.3390\/jmse2040593<\/a><\/p>\n\n\n\n

147) Riisg\u00e5rd, H.U.<\/strong> (2014). ‘Mini-mussels’ – new opportunities and environmentally friendly production. Fish. Aquac. J. 5: 3. https:\/\/doi.org\/10.4172\/2150-3508.1000e109<\/a><\/p>\n\n\n\n

148) Riisg\u00e5rd, H.U.<\/strong> (2015). Filter-feeding mechanisms in crustaceans (Chapter 15, p. 418-463). In: Thiel, M., Watling, L. (Eds.) Life Styles and Feeding Biology, Volume II<\/em>. The Natural History of Crustaceans, Oxford University Press.<\/p>\n\n\n\n

149) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2015). Physiologically regulated valve-closure makes mussels long-term starvation survivors: test of hypothesis. J. Molluscan Stud. 81: 303-307.<\/p>\n\n\n\n

150) Riisg\u00e5rd, H.U<\/strong>., Funch P., Larsen P.S. (2015). The mussel filter-pump – present understanding, with a re-examination of gill preparations. Acta Zool. 96: 273-282.<\/p>\n\n\n\n

151) Riisg\u00e5rd, H.U.<\/strong>, Zalac\u00e1in, D., Jeune, N., Wiersma, J.B., L\u00fcskow, F, Pleissner, D. (2015). Adaptation of brine shrimp Artemia salina <\/em>(Branchiopoda: Anostraca) to filter-feeding – effects of body size and temperature on filtration and respiration rates. J. Crust. Biol. 35(5): 650-658.<\/p>\n\n\n\n

152) Riisg\u00e5rd, H.U<\/strong>., Lundgreen, K., Pleissner, D. (2015). Environmental factors and seasonal variation in density of mussel larvae (Mytilus edulis<\/em>) in Danish waters. Open J. Mar. Sci. 5: 280-289.<\/p>\n\n\n\n

153) Riisg\u00e5rd, H.U.<\/strong>, Goldstein, J., Lundgreen, K., L\u00fcskow, F. (2015). Jellyfish and ctenophores in the environmentally degraded Limfjorden (Denmark) during 2014 – species composition, population densities and predation impact. Fish. Aquac. J. 6: 3. https:\/\/doi.org\/10.4172\/2150-3508.1000137<\/a><\/p>\n<\/details>\n\n\n\n

2016 – 2023<\/strong><\/summary>\n

154) Goldstein, J., Riisg\u00e5rd, H.U. <\/strong>(2016). Population dynamics and factors controlling degrowth of the common jellyfish, Aurelia aurita<\/em>, in a temperate semi-enclosed cove (Kertinge Nor, Denmark). Mar. Biol. 163: 33-44.<\/p>\n\n\n\n

155) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2017). Filter-feeding zoobenthos and hydrodynamics. In: Marine animal forests: the ecology of benthic biodiversity hotspots <\/em>(Editors: Rossi S., Bramanti L., Gori A., Orejas C.). Volume 2, Chapter 28, p. 787-811. Springer International Publishing AG 2017. https:\/\/doi.org\/10.1007\/978-3-319-17001-5_19-1<\/a><\/p>\n\n\n\n

156) Tang, B., Riisg\u00e5rd, H.U.<\/strong> (2016). Physiological regulation of valve-opening degree enables mussels Mytilus edulis<\/em> to overcome starvation periods by reducing the oxygen uptake. Open J. Mar. Sci. 6: 341-352.<\/p>\n\n\n\n

157) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2016). Growth-prediction model for blue mussels (Mytilus edulis<\/em>) on future optimally thinned farm-ropes in Great Belt (Denmark). J. Mar. Sci. Eng. 4: 42. https:\/\/doi.org\/10.3390\/jmse4030042<\/a><\/p>\n\n\n\n

158) Riisg\u00e5rd, H.U<\/strong>., Kumala, L., Charitonidou, K. (2016). Using the F\/R<\/em>-ratio for an evaluation of the ability of the demosponge Halichondria panicea<\/em> to nourish solely on phytoplankton versus free-living bacteria in the sea. Mar. Biol. Res. 12(9): 907-916.<\/p>\n\n\n\n

159) Larsen, P.S., Andrup, P., Tang, B., Riisg\u00e5rd, H.U.<\/strong> (2016). Biomixing in stagnant water above population of blue mussels (Mytilus edulis<\/em>). J. Oceanogr. Mar. Res. 4: 2. https:\/\/doi.org\/10.4172\/2572-3103.1000147<\/a><\/p>\n\n\n\n

160) L\u00fcskow, F., Riisg\u00e5rd, H.U. <\/strong>(2016). Population predation impact of jellyfish (Aurelia aurita<\/em>) controls the maximum umbrella size and somatic degrowth in temperate Danish waters (Kertinge Nor and Mariager Fjord). Vie et Milieu – Life & Environment 66: 233-243.<\/p>\n\n\n\n

161) Kumala, L. Riisg\u00e5rd, H.U.<\/strong>, Canfield, D.E. (2017). Osculum dynamics and filtration activity in small single-osculum demosponge (Halichondria panicea<\/em>) explants. Mar. Ecol. Prog. Ser. 572: 117-128<\/p>\n\n\n\n

162) Riisg\u00e5rd, H.U. <\/strong>(2017). General Ecology – Outline of contemporary ecology for university students. Bookboon.com Ltd. ISBN 978-87-403-1821-0. https:\/\/bookboon.com\/dk\/general-ecology-ebook<\/a><\/p>\n\n\n\n

163) Riisg\u00e5rd, H.U<\/strong>. (2017). Invasion of Danish and adjacent waters by the comb jelly Mnemiopsis leidyi<\/em> – 10 years after. Open J. Mar. Sci. 7: 458-471.<\/p>\n\n\n\n

164) Fenchel, T., J\u00f8rgensen, B.B., Riisg\u00e5rd, H.U<\/strong>. (2017). Fake news: Mussel farming a “new climate bomb”. Fish. Aquac. J. 8: e127. https:\/\/doi.org\/10.4172\/2150-3508.1000e127<\/a><\/p>\n\n\n\n

165) Tang, B., Riisg\u00e5rd, H.U.<\/strong> (2018). Relationship between oxygen concentration, respiration and filtration rate in blue mussel Mytilus edulis<\/em>. J. Oceanol. Limnol. 36(2): 395-404.<\/p>\n\n\n\n

166) Larsen P.S., L\u00fcskow, F., Riisg\u00e5rd, H.U.<\/strong> (2018). Too much food may cause reduced growth of blue mussels (Mytilus edulis<\/em>) \u2013 Test of hypothesis and development of ‘high Chl a<\/em> BEG-model’. J. Mar. Syst, 180: 299-306.<\/p>\n\n\n\n

167) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2018). Thermal and viscous effects on ciliary suspension-feeding bivalves – no need for a new explanation: Comment on Specht & Fuchs (2018). Mar. Ecol. Prog. Ser. 596: 263-265.<\/p>\n\n\n\n

168) Goldstein, J., J\u00fcrgensen, C., Steiner, U.K., Riisg\u00e5rd, H.U.<\/strong> (2018). Density-driven water exchange controls seasonal declines in jellyfish (Aurelia aurita<\/em>) abundance in a Danish fjord system. Mar. Ecol. Prog. Ser. 597: 137-145.<\/p>\n\n\n\n

169) L\u00fcskow, F., Riisg\u00e5rd, H.U.<\/strong> (2018). In situ<\/em> filtration rates of blue mussels (Mytilus edulis<\/em>) measured by an open-top chamber method. Open J. Mar. Sci. 8: 395-406.<\/p>\n\n\n\n

170) Goldstein, J., Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2019). Exhalant jet speed of single-osculum explants of the demosponge Halichondria panicea<\/em> and basic properties of the sponge-pump. J. Exp. Mar. Biol. Ecol. 511: 82-90.<\/p>\n\n\n\n

171) L\u00fcskow, F., Riisg\u00e5rd, H.U<\/strong>., Solovyeva, V., Brewer, J.R. (2019). Seasonal changes in bacteria and phytoplankton biomass control the condition index of the demosponge Halichondria panicea<\/em> in temperate Danish waters. Mar. Ecol. Prog. Ser. 608: 119-132.<\/p>\n\n\n\n

172) Asadzadeh, S.S., Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong>, Walther, J.H. (2019). Hydrodynamics of the leucon sponge pump. J. R. Soc. Interface 16: 20180630. https:\/\/doi.org\/10.1098\/rsif.2018.0630<\/a><\/p>\n\n\n\n

173) L\u00fcskow, F., Kl\u00f8ve-Mogensen, K., Toph\u00f8j, J., Pedersen, L. H., Riisg\u00e5rd, H.U.<\/strong>, Eriksen, N.T. (2019). Seasonality in lipid content of the demosponges Halichondria panicea<\/em> and H. bowerbanki<\/em> at two study sites in temperate Danish waters. Front. Mar. Sci. – Aquatic Physiology 6: 328.<\/p>\n\n\n\n

174) Kealy, R.A, Busk, T., Goldstein, J., Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2019). Hydrodynamic characteristics of aquiferous modules in the demosponge Halichondria panicea<\/em>. Mar. Biol. Res. 15: 531-540. <\/p>\n\n\n\n

175) Goldstein, J., Bisbo, N. Funch, P., Riisg\u00e5rd, H.U.<\/strong> (2019). Contraction-expansion and morphological changes of the aquiferous system in the demosponge Halichondria panicea. <\/em>Front. Mar. Sci. – Aquatic Physiology 7: 113. https:\/\/doi.org\/10.3389\/fmars.2020.00113<\/a> <\/p>\n\n\n\n

176) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2021). Pumping rate and size of demosponges – towards an understanding using modeling. J. Mar. Sci. Eng. 9: 1308. https:\/\/doi.org\/10.3390\/jmse9111308<\/a><\/p>\n\n\n\n

177 Riisg\u00e5rd, H.U<\/strong>., Larsen P.S. (2022). Bioenergetic model and specific growth rates of jellyfish Aurelia aurita. <\/em>Mar. Ecol. Prog. Ser. 688: 49-56. https:\/\/doi.org\/10.3354\/meps14024<\/a><\/p>\n\n\n\n

178 Riisg\u00e5rd H.U., <\/strong>Larsen, P.S. (2022). Actual and model-predicted growth of sponges – with a bioenergetic comparison to other filter-feeders. J. Mar. Sci. Eng. 10: 607. https:\/\/doi.org\/10.3390\/jmse10050607<\/a><\/p>\n\n\n\n

179) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S. (2022) Filtration rates and scaling in demosponges. J. Mar. Sci. Eng. 10: 643. https:\/\/doi.org\/10.3390\/jmse10050643<\/a><\/p>\n\n\n\n

180) Larsen, P.S., Riisg\u00e5rd, H.U.<\/strong> (2022). Seize-specific growth of filter-feeding marine invertebrates. J. Mar. Sci. Eng. 10: 1226. https:\/\/doi.org\/10.3390\/jmse10091226<\/a><\/p>\n\n\n\n

181) Riisg\u00e5rd, H.U.<\/strong> (2022). Superfluous feeding and growth of jellyfish Aurelia aurita<\/em>. J. Mar. Sci. Eng. 10: 1368. https:\/\/doi.org\/10.3390\/jmse10101368<\/a><\/p>\n\n\n\n

182) Riisg\u00e5rd, H.U.<\/strong> (2023). Filter-feeding in marine invertebrates. Printed edition of special sssue published in J. Mar. Sci. Eng., 79 pp. ISBN 978-3-0365-5868-4. https:\/\/www.mdpi.com\/journal\/jmse<\/a>   <\/p>\n\n\n\n

183) Funch, P., Kealy, R.A, Goldstein, J., Brewer, J.R., Solovyeva, V., Riisg\u00e5rd, H.U. <\/strong>(2023). Fate of microplastic captured in the marine demosponge Halichondria panicea. <\/em>Mar. Pollut. Bull. 194: 115403.<\/p>\n\n\n\n

184) Riisg\u00e5rd, H.U<\/strong>., Kealy, R.A, Goldstein J., Brewer J., Solovyeva V., Funch, P. (2023). Choanocyte dimensions and pumping rates in the demosponge Halichondria panicea<\/em>. J. Exp. Mar. Biol. Ecol. 569: 151957. https:\/\/doi.org\/10.1016\/j.jembe.2023.151957<\/a> <\/p>\n<\/details>\n\n\n\n

2024 – present<\/strong><\/summary>\n

185) Riisg\u00e5rd, H.U.<\/strong> (2024). Oxygen extraction efficiency and tolerance to hypoxia in sponges. J. Mar. Sci. Eng. 12(1): 138. https:\/\/doi.org\/10.3390\/jmse12010138<\/a><\/p>\n\n\n\n

186) Riisg\u00e5rd, H.U<\/strong>., L\u00fcskow, F., Larsen, P.S. (2024). Growth, filtration, and respiration characteristics of small single-osculum demosponge Halichondria panicea<\/em> explants. J. Exp. Biol. 227: jeb247132. https:\/\/doi.org\/10.1242\/jeb.247132<\/a><\/p>\n\n\n\n

187) Goldstein, J., Riisg\u00e5rd, H.U.<\/strong>, Kealy, R.A., Funch P. (2024). Particle loads, contractile responses and cleaning in the demosponge Halichondria panicea<\/em>. J. Exp. Mar. Biol. Ecol. 577: 152021.<\/p>\n\n\n\n

188) Lees, M.K., Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2024) Flow pattern, particle capture, and contractile behaviour in the demosponge Halichondria panicea.<\/em> Mar. Biol. Res. 1-10. https:\/\/doi.org\/10.1080\/17451000.2024.2390527<\/a><\/p>\n\n\n\n

189) Riisg\u00e5rd, H.U.,<\/strong> Larsen P.S. (2024). Energy costs of the sponge pump. Mar. Ecol. Prog. Ser. 746: 141-151. <\/p>\n\n\n\n

190) Goldstein, J., Bisbo, N., Funch, P., Daugaard, N.D., Larsen, P.S., Brewer, J.R., Riisg\u00e5rd, H.U.<\/strong> (2024). Aquiferous system, filtration rates and hydrodynamics of a syconoid calcareous sponge Urna<\/em> sp. Mar. Biol. 171: 216. https:\/\/doi.org\/10.1007\/s00227-024-04532-0<\/a><\/p>\n\n\n\n

191) Kumala, L., Riisg\u00e5rd, H.U.<\/strong> (2024). Growth, filtration and respiration under superfluous feeding in single-osculum single-osculum Halichondria panicea<\/em> sponges. Oceans 5: 965-981. https:\/\/www.mdpi.com\/<\/a>2673<\/a>-1924\/5\/4\/55<\/a><\/p>\n\n\n\n

192) Riisg\u00e5rd,<\/strong> H.U.<\/strong>, Larsen, P.S. (2025). Catching the particles: Role of ciliary bands in filter-feeding marine invertebrates. Invertebr. Zool. 22: 137-145.<\/p>\n\n\n\n

193) Riisg\u00e5rd, H.U<\/strong>., Larsen, P.S. (2025). Filtration and respiration of filter-feeding marine invertebrates are linked through allometric power-law functions. Biology Open (2025) 14, bio062024. doi:10.1242\/bio.062024<\/p>\n\n\n\n

194) Larsen, P.S., Riisg\u00e5rd, H.U. <\/strong>(2025). The pumping function of sponge choanocyte chambers. PNAS Proceedings of the National Academy of Sciences May 30, 2025122 (24) e2507215122 https:\/\/doi.org\/10.1073\/pnas.2507215122<\/a><\/p>\n\n\n\n

195) Riisg\u00e5rd,<\/strong> H.U.<\/strong>, Larsen, P.S. (2025). Effect of temperature on filtration in the blue mussel, Mytilus edulis<\/em> \u2013 our present understanding. J. Mar. Sci. Eng. 2025, 13, 2033. https:\/\/doi.org\/10.3390\/jmse13112033<\/p>\n\n\n\n

196) Larsen, P.S., Riisg\u00e5rd, H.U. <\/strong>(2026). Effect of ambient current on filtration rate of sponges. J. Mar. Sci. Eng. 2026, 14, 182
https:\/\/doi.org\/10.3390\/jmse14020182<\/p>\n\n\n\n

197) Riisg\u00e5rd,<\/strong> H.U.<\/strong>, Larsen, P.S. (2026). Ciliary structures and particle-capture mechanisms in marine filter-feeding bivalves. J. Mar. Sci. Eng. 2026, 14, 251 https:\/\/doi.org\/10.3390\/jmse14030251<\/p>\n\n\n\n

198) Riisg\u00e5rd, H.U.<\/strong> (2026). Sponges retain dissolved organic matter (DOM), but does it contribute to the diet? Mar. Ecol. Prog. Ser, (accepted)<\/p>\n\n\n\n

199) Riisg\u00e5rd, H.U.<\/strong>, Larsen, P.S. (2026). Comments on <\/strong>\u201cFlexible filaments of a fan worm make filtration functionally flexible.\u201d (Cell Rep. Phys. Sci.submitted)<\/p>\n<\/details>\n\n\n\n

Publications in Danish<\/strong><\/summary>\n

1) Riisg\u00e5rd H.U.<\/strong> (ed.) (1978). Olieforurening i det marine milj\u00f8. Rapport fra Milj\u00f8styrelsens fagkyndige udvalg. Milj\u00f8styrelsen, november 1978, 88 pp.<\/p>\n\n\n\n

2) Riisg\u00e5rd, H.U.<\/strong> (1980). Havforureningslaboratoriets forskningsprogram. I: Kystn\u00e6re farvande. S\u00e6rudgave af Ugeskrift for Jordbrug, 51-57.<\/p>\n\n\n\n

3) Riisg\u00e5rd, H.U.<\/strong> (1980). Tungmetaller, kemiske tilstandsformer og biologiske effekter i det marine milj\u00f8. I: Forureningssituationen i Skagerak-Kattegat. Nordisk udredningsserie B 24, 111-126.<\/p>\n\n\n\n

4) Riisg\u00e5rd, H.U.<\/strong> (1981). Tungmetaller I. Fisk og Hav, 37-43.<\/p>\n\n\n\n

5) Riisg\u00e5rd, H.U.<\/strong> (1981). Det giftige metal tr\u00e6nger ind i cellen. Forskningen & Samfundet, 4: 3-6.<\/p>\n\n\n\n

6) Riisg\u00e5rd, H.U.,<\/strong> G. \u00c6rtebjerg Nielsen (1981). Milj\u00f8problemerne i Hjarb\u00e6k Fjord. Kaskelot, 49: 16-27.<\/p>\n\n\n\n

7) Riisg\u00e5rd, H.U.<\/strong> (1982). Olieforurening – spredningsveje og biologiske effekter. Kaskelot, 51: 3-15.<\/p>\n\n\n\n

8) Riisg\u00e5rd, H.U.<\/strong> (1982). Biologisk monitering: Forureningsoverv\u00e5gning i havmilj\u00f8et. Stads- og Havneingeni\u00f8ren, 2: 34-39.<\/p>\n\n\n\n

9) Riisg\u00e5rd, H.U.<\/strong> (1982). Cheminovas forurening f\u00f8r og nu. Kaskelot, 52: 3-15.<\/p>\n\n\n\n

10) Riisg\u00e5rd, H.U.<\/strong> (1982). Biologiske effektstudier i havmilj\u00f8et – Strategier og metoder til studier af subletale effekter hos marine organismer. Biologforbundets Forlag, 32 pp.<\/p>\n\n\n\n

11) Riisg\u00e5rd H.U.<\/strong>, A. Randl\u00f8v, E. Poulsen (1982). Milj\u00f8unders\u00f8gelser i Limfjorden. Milj\u00f8styrelsens Havforureningslaboratorium, maj 1982,108 pp.<\/p>\n\n\n\n

12) Riisg\u00e5rd, H.U.,<\/strong> A. Randl\u00f8v (1982). Kviks\u00f8lvbelastningen af farvandene omkring Harbo\u00f8re Tange og Limfjorden belyst ved hj\u00e6lp af bl\u00e5muslinger. Milj\u00f8styrelsens Havforureningslaboratorium, maj 1982, 56 pp.<\/p>\n\n\n\n

13) Riisg\u00e5rd, H.U.<\/strong> (1983). Superfos og tungmetaller i Lilleb\u00e6lt. Kaskelot, 54: 2-23.<\/p>\n\n\n\n

14) Riisg\u00e5rd, H.U.<\/strong> (1984). N\u00e6ringssalte og iltmangel i Limfjorden. Kaskelot, 58: 1-14.<\/p>\n\n\n\n

15) Riisg\u00e5rd, H.U.<\/strong> (1984). Cheminova – en ren giftfabrik? Natur & Milj\u00f8, 3: 28-32.<\/p>\n\n\n\n

16) Riisg\u00e5rd, H.U.<\/strong> (1985). Grundrids af kviks\u00f8lvs \u00f8kotoxikologi i akvatisk milj\u00f8. Vand & Milj4, 4: 163-167.<\/p>\n\n\n\n

17) Riisg\u00e5rd, H.U.<\/strong> (1985). Superfos’ udledninger af kobber, bly og lanthanider. Kaskelot, 61: 16-19.<\/p>\n\n\n\n

18) Riisg\u00e5rd, H.U.<\/strong> (1985). Kviks\u00f8lv i marine f\u00f8dek\u00e6der. Kviks\u00f8lvforurening og tekniske l\u00f8sningsmuligheder. Red. K. Christiansen. Teknologisk Institut, 69-75.<\/p>\n\n\n\n

19) Riisg\u00e5rd, H.U.<\/strong> (1986). \u00d8kotoxikologisk forskning ved Biologisk Institut. Odense Universitets \u00e5rsberetning for 1985, 25-36.<\/p>\n\n\n\n

20) Famme, P., H.U. Riisg\u00e5rd<\/strong> (1986). Ny metode til belysning af kviks\u00f8lvs ophobning i marine f\u00f8dek\u00e6der. Dansk Kemi: 6\/7: 188-191.<\/p>\n\n\n\n

21) Riisg\u00e5rd, H.U.<\/strong> (1986, 1990 2. udg.). Basisbog i \u00f8kologi. Gads Forlag, 129 pp.<\/p>\n\n\n\n

22) Riisg\u00e5rd, H.U.<\/strong> (1986). Forurening af vandet – et internationalt problem. Danmarks amtsr\u00e5d nr. 1011, 21-22.<\/p>\n\n\n\n

23) Riisg\u00e5rd, H.U.<\/strong> (1987): Havforskningen m\u00e5 styrkes. Forskningen & Samfundet, 1: 28-31.<\/p>\n\n\n\n

24) Riisg\u00e5rd, H.U.<\/strong> (1987): Tandl\u00e6gernes kviks\u00f8lvforurening. Tandl\u00e6gebladet 91(10): 468-471.<\/p>\n\n\n\n

25) Riisg\u00e5rd, H.U.<\/strong> (1987). Nords\u00f8ens forurening. Kaskelot, 72: 2-17.<\/p>\n\n\n\n

26) Riisg\u00e5rd, H.U.<\/strong> (1990). Drivhuseffekt og globalt klimaskift. Kaskelot, 86: 2-12.<\/p>\n\n\n\n

27) Riisg\u00e5rd, H.U.<\/strong> (1990). Ozonlagets nedbrydning. Kaskelot, 86: 12-21.<\/p>\n\n\n\n

28) Riisg\u00e5rd, H.U.<\/strong>, I. Clausen, F. M\u00f8hlenberg, J.K. Petersen, N.J. Olesen, M., P.B. Christensen, M. M\u00f8ller, P. Andersen (1994) Filtratorer, planktondynamik og biologisk struktur i Kertinge Nor. Havforskning fra Milj\u00f8styrelsen, nr. 45, 87  <\/p>\n\n\n\n

29) Riisg\u00e5rd, H.U.<\/strong>, P.S. Larsen (1996). Biologiske filter-pumper. Naturens Verden, 8: 307-318.<\/p>\n\n\n\n

30) Riisg\u00e5rd, H.U.<\/strong>, C. J\u00fcrgensen, F.\u00d8. Andersen (1997). Kertinge Nor. Kaskelot, 114: 2-19.<\/p>\n\n\n\n

31) Riisg\u00e5rd, H.U.<\/strong>, C. J\u00fcrgensen (1999). Filtrerende dyr og plankton-dynamik. Vand & Jord, nr. 1: 16-17.<\/p>\n\n\n\n

32) Riisg\u00e5rd, H.U<\/strong>., P.S. Larsen, C. Nielsen (2002). Filtrerende bryozoer – partikler og str\u00f8mmende vand. Naturens Verden 5: 12-23.<\/p>\n\n\n\n

33) Riisg\u00e5rd, H.U<\/strong>., P.S. Larsen (2003). Suspensionsern\u00e6ring – om filtrerende dyrs liv i en tynd algesuppe. Vand & Jord, nr. 1: 4-7.<\/p>\n\n\n\n

35) Seerup, D.F, E. Glob, H.U. Riisg\u00e5rd<\/strong> (2003). Filtrerende bunddyr i Odense Fjord. Vand & Jord, nr.3: 96-100 )<\/p>\n\n\n\n

36) Riisg\u00e5rd, H.U.<\/strong>, O. Moeslund (2004). Gopler i Limfjorden. Vand & Jord, nr. 2: 48-51.<\/p>\n\n\n\n

37) Riisg\u00e5rd,H.U.<\/strong> & P.S. Larsen (2004). “Filtrerende dyr og biologiske filter-pumper”. Naturlige Udfordringer – Formidling af Naturvidenskab & Teknik til Unge. Udgivet p\u00e5 https:\/\/www.natnet.dk<\/a><\/p>\n\n\n\n

38) Riisg\u00e5rd, H.U.<\/strong> (2006). “T\u00e6pper af gopler og millioner af krabber”. Bidrag til side 107-110 i bogen Limfjorden<\/em> af Jan Skriver. Udgivet af Limfjordsamterne.<\/p>\n\n\n\n

39) Riisg\u00e5rd, H.U.,<\/strong> L.F. M\u00f8ller (2007). Vandm\u00e6nd og andre gopler i Limfjorden. Vand & Jord, nr. 2: 66-69.<\/p>\n\n\n\n

40) Riisg\u00e5rd, H.U. <\/strong>(2007). Vindm\u00f8ller \u00f8del\u00e6gger den sk\u00f8nne natur. Tidsskrift om milj\u00f8 og samfund – Milj\u00f8sk, nr. 47: 28-29.<\/p>\n\n\n\n

41) Riisg\u00e5rd, H.U. <\/strong>(2007). Invasiv Mnemiopsis<\/em>-ribbegople i danske farvande. Vand & Jord, nr. 3: 89-90.<\/p>\n\n\n\n

42) Tendal, O.S., H.U. Riisg\u00e5rd<\/strong>, K.R. Jensen (2007). Dr\u00e6ber-ribbegoplen i danske farvande – en folkelig unders\u00f8gelse. Dyr i natur og museum<\/em>, Statens Naturhistoriske Museum (accepteret), se ogs\u00e5 Folkelig Unders\u00f8gelse p\u00e5 https:\/\/statensnaturhistoriskemuseum.dk\/zm-nyhedsliste\/nyhed051007\/<\/a><\/p>\n\n\n\n

43) Riisg\u00e5rd, H.U.<\/strong>, L. B\u00f8ttiger, C.-M. Vandt Madsen (2007). Forekomst af den invasive ribbegople Mnemiopsis leidui<\/em> i Limfjorden i august og september 2007 – vurdering af mulige effekter. Rapport fra Marinbiologisk Forskningscenter, Syddansk Universitet, september 2007, pp. 47.<\/p>\n\n\n\n

44) Tendal, O.S., Riisg\u00e5rd, H.U<\/strong>., Jensen, K.R. (2007). Dr\u00e6ber-ribbegoplen i danske farvande – en folkelig unders\u00f8gelse. Dyr i natur og museum. Zoologisk Museum, nr. 2: 2-5.<\/p>\n\n\n\n

45) Riisg\u00e5rd, H.U<\/strong>. (2008). Dr\u00e6bergopler i danske farvande. Naturens Verden nr. 7-8: 2-9.<\/p>\n\n\n\n

46) Riisg\u00e5rd, H.U<\/strong>., O. Tendal (2009). Goplerne kommer. Kaskelot 178: 26-33.<\/p>\n\n\n\n

47) Riisg\u00e5rd, H.U.<\/strong> (2011) Gigantiske olie-faner i Den Mexikanske Golf. Milj\u00f8sk, jan. 2011, nr. 58<\/p>\n\n\n\n

48) Riisg\u00e5rd, H.U.<\/strong>, Tendal, O. (2010). Invasive comb jellies (Mnemiopsis leidyi<\/em>) in Danish waters. Pool32Mag, vol:2, p. 212-225 (E-publication in fly fishing e-magazine): published 25 September 2010. http:\/\/www.pagegangster.com\/p\/J8Wtt\/<\/a><\/p>\n\n\n\n

49) Riisg\u00e5rd, H.U. <\/strong>(2014). Cheminovas kviks\u00f8lvforurening ved Harbo\u00f8re Tange – skal fiskeriforbuddet opretholdes? Dansk Kemi, 95, nr. 11, s. 7.<\/p>\n\n\n\n

50) Riisg\u00e5rd, H.U.,<\/strong> Jensen, K.R., Tendal, O.S. (2017) Dr\u00e6bergoplen i danske farvande – 10 \u00e5r efter. Kaskelot nr. 215, s. 24-28<\/p>\n\n\n\n

51) Riisg\u00e5rd, H.U.<\/strong> (2017). Cheminovasagen – som jeg oplevede det dengang. Side 367-377 i bogen: Fisk kan ikke tale. En fiskers kamp mod Cheminovas forurening (red. Jens \u00d8stergaard & Flemming H. Madsen). Forlaget Rebild<\/p>\n\n\n\n

52) Riisg\u00e5rd, H.U. <\/strong>(2017). \u00d8kologi – grundtr\u00e6k af den moderne \u00f8kologi for universitetsstuderende, pp-145. ISBN 978-87-403-1759-6. https:\/\/bookboon.com\/da\/oekologi-ebook<\/a><\/p>\n\n\n\n

53) Riisg\u00e5rd, H.U.<\/strong> (2022). Da universitetet kom til Kerteminde. Fjordbiologisk Laboratorium (1990-2020). Cartha 2021\/2022 side 5-18, \u00c5rsskrift for \u00d8stfyns Museer<\/em>. ISBN 978-87-92620-95-8. <\/p>\n\n\n\n

54) Riisg\u00e5rd, H.U.<\/strong> (2023). Forord (med personligt supplement) til bogen “Limfjorden i med- og modvind” af Jens \u00d8stergaard. Forlaget Legimus, 255 sider. <\/p>\n\n\n\n

55) Riisg\u00e5rd, H.U. <\/strong>(2024). Havmilj\u00f8et \u2013 ude af balance? Hindsholm Magasin nr. 4, s. 20-21. Download pdf<\/a> <\/p>\n\n\n\n

<\/p>\n\n\n\n

Indl\u00e6g og kommentarer i aviser o.l.<\/strong>
H.U. Riisg\u00e5rd: Nyborg Slot fortjener en bedre sk\u00e6bne. Fyens Stiftstidende 18. december 2024.<\/summary>\n

H.U. Riisg\u00e5rd: Nyborg Slots anl\u00e6gslov baner vejen for et skr\u00e6kkeligt kulissebyggeri i et fortidsminde. Byrummonitor<\/a> 11. december 2024<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Shell lukker offentlig strand”. Politiken 11. december 2014<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Flaske-Bent-sagen p\u00e5 arkiv”, l\u00e6serbrev i Skive Folkeblad <\/a>7. august 2013<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Flaske-Bents hus”, l\u00e6serbrev i Skive Folkeblad 22. januar 2013<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “F\u00f8lsomme oplysninger”, l\u00e6serbrev i Skive Folkeblad 3. juli 2012<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Skive Kommune svigter”, l\u00e6serbrev i Skive Folkeblad 29. september 2010 – se ogs\u00e5 online Skive Folkeblad<\/a><\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Klagesag g\u00e5r videre”, l\u00e6serbrev i Skive Folkeblad 4. oktober 2010<\/p>\n\n\n\n

H.U. Riisg\u00e5rd:”Mange\u00e5rigt svigt”, l\u00e6serbrev i Skive Folkeblad 22. oktober 2010 – se ogs\u00e5 online Skive Folkeblad<\/a><\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Fortsat svigt og tyveri”, l\u00e6serbrev i Skive Folkeblad 5. november 2010 – se ogs\u00e5 online Skive Folkeblad<\/a><\/p>\n\n\n\n

H.U. Riisg\u00e5rd: “Mange\u00e5rigt svigt i Selde”, l\u00e6serbrev i Annonce Bladet Saling-Fur-Skive<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: Bibliometri. Debatindl\u00e6g i Weekendavisen 3. april 2009<\/p>\n\n\n\n

H.U. Riisg\u00e5rd: Uvidenhed i Videnskabsministeriet. Debatindl\u00e6g i Jyllands-Posten 30. marts 2009<\/p>\n\n\n\n

H.U. Riisgaard & O. Tendal: Sm\u00e5 dr\u00e6bere i vandet. Indl\u00e6g i Jyllands-Posten 19. juli 2008<\/p>\n\n\n\n

H.U. Riisgaard: Br\u00e6dstrup – min nye hjemstavn. Artikel i Br\u00e6dstrup Avis 28. november 2007<\/p>\n\n\n\n

H.U. Riisgaard: Vindm\u00f8ller \u00f8del\u00e6gger. Kronik i Skive Folkeblad 21.09. 2007<\/p>\n\n\n\n

H,U. Riisgaard: V\u00e6k med landbaserede vindm\u00f8ller. Debatindl\u00e6g om energi i Politiken 30.03.2007<\/p>\n\n\n\n

H.U. Riisgaard: Kirstine Holmsgaard – Kvindesagsfork\u00e6mperen fra Br\u00e6dstrup. Boganmeldelse i Br\u00e6dstrup Avis 5.11.2003.<\/p>\n\n\n\n

H.U. Riisgaard: Professorater – og helst til kvinder. Artikel i Politiken 19.07.2003<\/p>\n\n\n\n

H.U. Riisgaard: Direkt\u00f8rens slidte trov\u00e6rdighed. Indl\u00e6g i Politiken 2.03.2002<\/p>\n\n\n\n

H.U. Riisgaard: Modernisering. Forskerkarriere. Indl\u00e6g i Weekend Avisen Berlingske 19.11.2001<\/p>\n\n\n\n

H.U. Riisgaard: Ny bekendtg\u00f8relse fremmer indavl. Indl\u00e6g i Berlingske Tidende 14.11.2001<\/p>\n\n\n\n

H.U. Riisgaard & Roy E. Weber: Ny bekendtg\u00f8relse fremmer nepotisme og indavl. Indl\u00e6g i Politiken 4.10.2001<\/p>\n\n\n\n

H.U. Riisgaard: F\u00f8lsom natur. L\u00e6serbrev i Politiken 3.07.2001<\/p>\n\n\n\n

H.U. Riisgaard: Ministeriet skal holde \u00f8je med nepotisme. Forskerkarriere. Indl\u00e6g i Politiken 19.03.2001<\/p>\n\n\n\n

H.U. Riisgaard: Publicer eller d\u00f8. Forskningens vilk\u00e5r. Indl\u00e6g i Weekend Avisen Berlingske 23.02.2001<\/p>\n\n\n\n

H.U. Riisgaard: Vandalisme i Jelling. L\u00e6serbrev i Politiken 9.12.2000<\/p>\n\n\n\n

H.U. Riisgaard: Ligestillingens tomme klicheer. L\u00e6serbrev i Politiken 12.03.1999<\/p>\n\n\n\n

H.U. Riisgaard: For f\u00e5 professorater. Indl\u00e6g i Politiken 15.02.1999<\/p>\n\n\n\n

H.U. Riisgaard: Forskernes f\u00e6lles marked. Kommentar i Politiken 30.03.1987<\/p>\n\n\n\n

H.U. Riisgaard: Vi b\u00f8r have et milj\u00f8r\u00e5d. Kommentar i Politiken 27.01.1987<\/p>\n\n\n\n

H.U. Riisgaard: Teknologiske fusentaster. L\u00e6serbrev i Politiken 15.02.1986<\/p>\n\n\n\n

H.U. Riisgaard: En stinkende sag. Indl\u00e6g i Jyllands-Posten 23.02.1986<\/p>\n\n\n\n

H.U. Riisgaard: Cheminova og universitetet. L\u00e6serbrev i Politiken 20.11.1985<\/p>\n\n\n\n

H.U. Riisgaard: Dansk sektorforskning p\u00e5 afveje. Indl\u00e6g i Politiken 14.10.1985<\/p>\n\n\n\n

H.U. Riisgaard: Gr\u00e6nsen af det uansvarlige. Indl\u00e6g i Politiken 27.04.1984<\/p>\n\n\n\n

H.U. Riisgaard: God appetit. L\u00e6serbrev i Politiken 5.04.1984<\/p>\n\n\n\n

H.U. Riisgaard: Arsenindhold i r\u00f8dsp\u00e6tter har passeret faregr\u00e6nsen. Endnu et resultat af dumpning i Nords\u00f8en. Indl\u00e6g i Politiken 26.03.1984<\/p>\n\n\n\n

H.U. Riisgaard: P\u00e5 egne vegne. L\u00e6serbrev i Politiken 17.07.1983<\/p>\n\n\n\n

H.U. Riisgaard: Hj\u00e6lp til biologer. L\u00e6serbrev i Information 8.04.1983<\/p>\n\n\n\n

H.U. Riisgaard: Superfos-sagen. L\u00e6serbrev i Politiken 2.03.1983<\/p>\n\n\n\n

H.U. Riisgaard: Ugifte uden billet Kommentar i Jyllands-Posten 15.02.1983<\/p>\n\n\n\n

H.U. Riisgaard: Milj\u00f8problemerne i Hjarb\u00e6k Fjord. Kronik i Mors\u00f8 Folkeblad 17.02.1983<\/p>\n\n\n\n

H.U. Riisgaard: Milj\u00f8problemerne i Hjarb\u00e6k Fjord. Synspunkt i Viborg Stifts Folkeblad 14.02.1983<\/p>\n\n\n\n

H.U. Riisgaard: T\u00f8r disse milj\u00f8folk ikke kritisere det offentlige? Indl\u00e6g i Jyllands-Posten 28.04.1982<\/p>\n\n\n\n

H.U. Riisgaard: Forskning og ytringsfrihed. Kommentar i Politiken 26.02.1982<\/p>\n\n\n\n

H.U. Riisgaard: Giften i Limfjorden. Kronik i Jyllands-Posten 15.05.1981<\/p>\n\n\n\n

H.U. Riisgaard: Milj\u00f8reformens elendige administration. Kronik i Jyllands-Posten 4.05.1981 <\/p>\n\n\n\n

H.U. Riisgaard. Ligger fejlen i Roslev? Indl\u00e6g i Skive Folkeblad 2.07.1973<\/p>\n<\/details>\n\n\n\n

Historiske udgivelser<\/strong>\/Publikationer om historske emner<\/strong><\/summary>\n

<\/p>\n\n\n\n

19) H.U. Riisg\u00e5rd (2026). 1500-tals medaljon af hjortetak fundet ved Nyborg Slot. Fynboer & Ark\u00e6ologi nr.1, side 4-5<\/p>\n\n\n\n

18) H.U. Riisg\u00e5rd. “Da universitetet kom til Kerteminde”. Cartha 2021\/2022, \u00c5rsskrift for \u00d8stfyns Museer 2022, side 5-18<\/p>\n\n\n\n

17) K.V. Riisg\u00e5rd (med forord og efterskrift af H.U. Riisg\u00e5rd): “Glimt af min tid i Lemvig under krigen”. Lemvigbogen 2018, side 33-58<\/p>\n\n\n\n

16) K.V. Riisgaard (med tekstbokse af H.U. Riisgaard): “Glimt fra min sagf\u00f8rertid i Salling” Skivebogen 2016, \u00c5rbog for Skive og Omegn, Bind 107, side 41-56<\/p>\n\n\n\n

15) H.U. Riisgaard: “Sognefogedens ridderkors”, Skiveegnens Jul 2012, side 35-38 <\/p>\n\n\n\n

14) H.U. Riisgaard: forord og efterskrift til artikel “Hekseri og trolddom”, baseret p\u00e5 Niels Riisgaards erindringer. Afsnit i bogserien ‘Barn af Himmerland’ nr. XVII, 2012 side 223-238 (udgivet af Lions Clubber i Himmerland)<\/p>\n\n\n\n

13) H.U. Riisgaard: forord til artikel “En \u00e6gte Himmerbo og frib\u00e5ren bonde”, baseret p\u00e5 Niels Riisgaards erindringer. Afsnit i bogserien “Barn af Himmerland’ nr. XVI”, 2010 side 203-216 (udgivet af Lions Clubber i Himmerland)<\/p>\n\n\n\n

12) H.U. Riisgaard: “Slagmarken ved Nyborg – 350 \u00e5r efter slaget”. Kjerteminde Avis den 31. oktober 2009<\/p>\n\n\n\n

11) H.U. Riisgaard: forord til afsnit “Til marked norden og s\u00f8nden for Limfjorden”. Fra Himmerland og Kj\u00e6r Herred 2008, side 147-156 (uddrag af Niels Riisgaards erindringer i \u00e5rsskrift udgivet af Historisk Samfund for Himmerland og Kj\u00e6r Herred)<\/p>\n\n\n\n

10) H.U. Riisgaard: “Chr. Moeskj\u00e6r (1854-1944) og hans bogskab”. Br\u00e6dstrupegnens Lokalhistoriske Forening- \u00c5rsskrift 2007, side 101-104<\/p>\n\n\n\n

9) H.U. Riisgaard: “Bedstemor var f\u00f8dt i 1812 under Napoleonskrigene …”. Br\u00e6dstrupegnens Lokalhistoriske Forening- \u00c5rsskrift 2006, side 63-72<\/p>\n\n\n\n

8) H.U. Riisgaard: “Kirstine Holmsgaard, kvindesagsfork\u00e6mperen fra Br\u00e6dstrup”. Br\u00e6dstrupegnens Lokalhistoriske Forening- \u00c5rsskrift 2004, side 103-106<\/p>\n\n\n\n

7) H.U. Riisgaard: “Kvindesagsfork\u00e6mperen fra Br\u00e6dstrup, Kirstine Holmsgaard (1882-1953)”. Statsbibliotekets tidsskrift Rotunden nr. 19, side 7-53, september 2003<\/p>\n\n\n\n

6) H.U. Riisgaard: “Sl\u00e6gtsg\u00e5rden ‘Holmsgaard’ i Br\u00e6dstrup – en sl\u00e6gtsg\u00e5rd m\u00e5tte vige for byens udvikling”. Br\u00e6dstrupegnens Lokalhistoriske Forening – \u00c5rsskrift 2003, side 19-37<\/p>\n\n\n\n

5) H.U. Riisgaard: “Land-Apothek til Landm\u00e6nds Nytte”. Landsbladet 15.01.1982<\/p>\n\n\n\n

4) H.U. Riisgaard: “Var Marie fors\u00f8gskanin?” Medicink Forum. Nr. 1: side 10-19,1981<\/p>\n\n\n\n

3) H.U. Riisgaard: “Land-Apothek til Landm\u00e6nds Nytte”. Medicinsk Forum Nr. 4: side 122-125, august 1981<\/p>\n\n\n\n

2) H.U. Riisgaard: “Sallings sidste vindm\u00f8lle er snart 100 \u00e5r”. Skiveegnens Jul, side 8-10, 1981<\/p>\n\n\n\n

1) H.U. Riisgaard: “Grinderslev kloster og kirke”. Skivebogen – Historisk Aarbog for Skive og Omegn, side 49-81, 1980<\/p>\n<\/details>\n<\/details>\n\n\n\n

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34) Riisg\u00e5rd, H.U.<\/strong> & P.S. Larsen (2003). Mosdyrene har klaret naturens udfordringer i over 500 mio. \u00e5r. Naturlige Udfordringer – Formidling af Naturvidenskab og Teknik til Unge. Udgivet p\u00e5 https:\/\/www.natnet.dk<\/a><\/p>\n\n\n\n