79) Riisgård, H.U. (2001). On measurement of filtration rate in bivalves - the stony road to reliable data, review and interpretation. Mar. Ecol. Prog. Ser. 211: 275-291.
80) Riisgård, H.U., 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.
81) Riisgård, H.U. (2001). The stony road to reliable filtration rate measurements in bivalves: a reply. Mar. Ecol. Prog. Ser. 215: 307-310.
82) Riisgård, H.U., Larsen, P.S., (2001). Minireview: Ciliary filter feeding and bio-fluid mechanics - present understanding and unsolved problems. Limnol. Oceanogr. 46: 882-891.
83) Larsen, P.S., Riisgård, H.U. (2001). Chimney spacing in encrusting bryozoan colonies (Membraniporamembranacea): observations and hydrodynamic modelling. Ophelia 54(3): 167-176.
84) Hermansen, P. Larsen, P.S. Riisgård, H.U. (2001). Colony growth rate of encrusting bryozoans (Electra pilosaand Celleporella hyalina): importance of algal concentration and water flow. J. Exp. Mar. Biol. Ecol. 263: 1-23.
85) Riisgård H.U. (2001). Physiological regulation versus autonomous filtration in filter-feeding bivalves: starting points for progress. Ophelia 54(3): 193-209.
86) Riisgård, H.U. (2001). Inaccurate bivalve clearance rate measurements: a reply. Mar. Ecol. Prog. Ser. 221: 307-309.
87) Riisgård, H.U., Grémare,A., Amouroux, A.J.M.,Vétion, G., Charles, F., Rosenberg, R., Nielsen, C. (2002). A comparative study of water processing in two ciliary filter-feeding polychaetes (Ditrupa arietina and Euchone papillosa) from two different habitats. Mar. Ecol. Prog. Ser. 229: 113-126.
88) Riisgård, H.U. (2002). The methods of ciliary filter feeding in the adult Phoronis muelleri and its free swimmingactinotrocha larva. Mar. Biol. 141: 75-87.
89) Larsen, P.S., Riisgård, H.U. (2002). On ciliary sieving and pumping in bryozoans. J. Sea Res. 291: 181-195.
90) Riisgård, H.U., Kittner, C., Seerup, D.F. (2003) Regulation of opening state and filtration rate in filter-feeding bivalves (Cardium edule, Mytilus edulis, Mya arenaria) in response to low algal concentration. J. Exp. Mar. Biol. Ecol. 284: 105-127.
91) Riisgård, H.U. (2003). Misuse of the peer-review system: time for countermeasures? Mar. Ecol. Prog. Ser. 258: 297-309.
92) Riisgård, H.U., Seerup, D.F. (2003). Filtration rates in soft clam, Mya arenaria: effects of temperature and body size. Sarsia 88: 425-428.
93) Riisgård, H.U., Seerup, D.F., M.H. Hjort, E. Glob, P.S. Larsen (2004). Grazing impact of filter-feedingzoobenthos in a Danish fjord. J. Exp. Mar. Biol. Ecol. 307: 261-271.
94) Riisgård, H.U., Nielsen, K.K., Fuchs, J., Føns, B.F. Rasmussen, Obst, M., Funch, P. (2004). Ciliary feeding structures and particle capture mechanism in the freshwater bryozoan Plumatella repens. Invertebrate Biology 123(2): 155-166.
95) Riisgård, H.U. (2004). Intercalibration of methods for measurement of bivalve filtration rates - a turning point. Mar. Ecol. Prog. Ser. 276: 307-308.
96) Riisgård, H.U. (2004). Peer review: journal articles versus research proposals. Mar. Ecol. Prog. Ser. 277: 301-309.
97) Riisgård, H.U. (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., Vol. 1(2): 269-315.
98) Riisgård, H.U., Larsen, P.S. (2005). Water pumping and analysis of flow in burrowing zoobenthos - an overview. Aquatic Ecology 39: 237-258.
99) Riisgård, H.U., Larsen, P.S. (2005). Water flow analysis and particle capture in ciliary filter-feeding scallops (Pectinidae). Mar. Ecol. Prog. Ser. 303: 177-193.
100) Hansson, L.J. Moeslund, O., Kiørboe, T., Riisgård, H.U. (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.
101) Kittner, C., Riisgård, H.U. (2005) Effect of temperature on filtration rate in the mussel Mytilus edulis - no evidence for temperature compensation. Mar. Ecol. Prog. Ser. 305: 147-152.
102) Lassen, J., Kortegård, M., Riisgård, H.U., 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.
103) Møller, L.F., Riisgård, H.U. (2006). Filter feeding in the burrowing amphipod Corophium volutator. Mar. Ecol. Prog. Ser. 322: 213-224.
104) Riisgård, H.U., Nielsen C. (2006). Feeding mechanism of the polychaete Sabellaria alveolata: comment on Dubois et al. (2005). Mar. Ecol. Prog. Ser. 328: 295-305.
105) Riisgård, H.U, Lassen, J, Kittner, C. (2006). Valve-gape response times in mussels (Mytilus edulis) - effects of laboratory preceding-feeding conditions and in situ tidally induced variation in phytoplankton biomass. J. Shellfish Res. 25: 901-913.
106) Møller, L.F., Riisgård, H.U. (2007). Respiration in the scyphozoan jellyfish Aurelia aurita and two hydromedusae (Sarsia tubulosa and Aequorea vitrina): effect of size, temperature and growth. Mar. Ecol. Prog. Ser. 330: 149-154.
107) Riisgård, H.U. (2007). Biomechanics and energy cost of the amphipod Corophium volutator filter-pump. Biol.Bull. 212: 104-114.
108) Riisgård, H.U. (2007). Feeding behaviour of the hydromedusa Aequorea vitrina. Scientia Marina 71: 395-404.
109) Riisgård, H.U., Lassen, J., Kortegaard, M., Møller, 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. Estuarine Coastal and Shelf Science 75: 281-295.
110) Riisgård, H.U., Larsen, P.S. (2007). Viscosity of seawater controls beat frequency of water-pumping cilia and filtration rate of mussels Mytilus edulis. Mar. Ecol. Prog. Ser. 343: 141-150.
111) Møller, L.F., Riisgård, H.U. (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.
112) Møller, L.F., Riisgård, H.U. (2007). Feeding, bioenergetics and growth in the common jellyfish Aurelia auritaand two hydromedusae Sarsia tubulosa and Aequorea vitrina. Mar. Ecol. Prog. Ser. 346: 167-177.
113) Møller, L.F., Riisgård, H.U. (2007). Population dynamics, growth and predation impact of the common jellyfish, Aurelia aurita and two hydromedusae (Sarsia tubulosa and Aequorea vitrina) in Limfjorden (Denmark). Mar. Ecol. Prog. Ser. 346: 153-165.
114) Riisgård, H.U., Schotge, P. (2007). Surface deposit-feeding versus filter-feeding in the amphipod Corophium volutator. Mar. Biol. Res. 3: 421-427.
115) Riisgård, H.U., Bøttiger, L., Madsen, C.V., Purcell, J.E. (2007). Invasive ctenophore Mnemiopsis leidyi in Limfjorden (Denmark) in late summer 2007 - assessment of abundance and predation impact. Aquatic Invasions 2(4): 395-401.
116) Tendal, O.S., Jensen, K.R., Riisgård, H.U. (2007). Invasive ctenophore Mnemiopsis leidyi widely distributed in Danish waters. Aquatic Invasions 2(4): 455-460.
117) Riisgård, H.U., 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. Springer-Verlag Berlin Heidleberg.
118) Huwer, B., Storr-Paulsen M., Riisgård, H.U., Haslob, H. (2008). Abundance, horizontal and vertical distribution of the invasive ctenophore Mnemiopsis leidyi in the central Baltic Sea, November 2007. Aquatic Invasions 3(2): 113-124.
119) Larsen, P.S., Vandt Madsen, C-M., Riisgård, H.U. (2008). Effect of temperature and viscosity on swimming velocity of the copepod Acartia tonsa, brine skrimp Artemia salina) and rotifer Brachionus plicalilis. Aquatic Biology 4: 47-54.
120) Riisgård, H.U., P.S. Larsen (2009). Ciliary-propelling mechanism, effect of temperature and viscosity on swimming speed, and adaptive significance of the 'jumping' ciliate Mesodinium rubrum. Marine Biology Research 5: 585-595.
121) Larsen, P.S., Riisgård, H.U. (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.