Billingham, M. R.; Reusch, T. B. H.; Alberto, F.; Serrão, E. A.: Is asexual reproduction more important at geographical limits? A genetic study of the seagrass Zostera marina in the Ria Formosa, Portugal. Marine Ecology Progress Series 265, pp. 77 - 83 (2003)

Hansen, A.-M.; Santer, B.: The life cycle of Cyclops vicinus in Lake Søbygård: new aspects derived from sediment analyses. Hydrobiologia 510, pp. 17 - 21 (2003)

Jamieson, C. D.; Santer, B.: Maternal aging in the univoltine freshwater copepod Cyclops kolensis: variation in egg sizes, egg development times, and naupliar development times. Hydrobiologia 510, pp. 75 - 81 (2003)

Ortells, R.; Gómez, A.; Serra, M.: Coexistence of cryptic rotifer species: ecological and genetic characterisation of Brachionus plicatilis. Freshwater Biology 48 (12), pp. 2194 - 2202 (2003)

Zöllner, E.; Santer, B.; Boersma, M.; Hoppe, H.-G.; Jürgens, K.: Cascading predation effects of Daphnia and copepods on microbial food web components. Freshwater Biology 48 (12), pp. 2174 - 2193 (2003)

Hämmerli, A.; Reusch, T. B. H.: Flexible mating: cross-pollination affects sex-expression in a marine clonal plant. Journal of Evolutionary Biology 16 (6), pp. 1096 - 1105 (2003)

Hofmann, W.: The long-term succession of high-altitude cladoceran assemblages: a 9000-year record from Sagistalsee (Swiss Alps). Journal of Paleolimnology 30 (3), pp. 291 - 296 (2003)

Semmann, D.; Krambeck, H.-J.; Milinski, M.: Volunteering leads to rock-paper-scissors dynamics in a public goods game. Nature 425 (6956), pp. 390 - 393 (2003)

Wegner, K. M.; Kalbe, M.; Kurtz, J.; Reusch, T. B. H.; Milinski, M.: Parasite selection for immunogenetic optimality. Science 301 (5638), p. 1343 - 1343 (2003)

Berendonk, T. U.; Barraclough, T. G.; Barraclough, J. C.: Phylogenetics of pond and lake lifestyles in Chaoborus midge larvae. Evolution 57 (9), pp. 2173 - 2178 (2003)

Kopp, M.; Tollrian, R.: Reciprocal phenotypic plasticity in a predator-prey system: inducible offences against inducible defences? Ecology Letters 6 (8), pp. 742 - 748 (2003)

Witzel, K.-P.; Zakharov, I. A.; Goryacheva, I. I.; Adis, J.; Golovatch, S. I.: Two parthenogenetic millipede species/lines of the genus Poratia Cook & Cook, 1894 (Diplopoda, Polydesmida, Pyrgodesmidae) found free from Wolbachia bacteria. African Invertebrates 44 (1), pp. 331 - 338 (2003)

Aeschlimann, P. B.; Häberli, M. A.; Reusch, T. B. H.; Boehm, T.; Milinski, M.: Female sticklebacks Gasterosteus aculeatus use self-reference to optimize MHC allele number during mate selection. Behavioral Ecology and Sociobiology 54 (2), pp. 119 - 126 (2003)

Massana, R.; Jürgens, K.: Composition and population dynamics of planktonic bacteria and bacterivorous flagellates in seawater chemostat cultures. Aquatic Microbial Ecology 32 (1), pp. 11 - 22 (2003)

Kruse, I.; Reusch, T. B. H.; Schneider, M. V.: Sibling species or poecilogony in the polychaete Scoloplos armiger? Marine Biology 142 (5), pp. 937 - 947 (2003)

Matz, C.; Jürgens, K.: Interaction of nutrient limitation and protozoan grazing determines the phenotypic structure of a bacterial community. Microbial Ecology 45 (4), pp. 384 - 398 (2003)

Sommer, U.; Sommer, F.; Santer, B.; Zöllner, E.; Jürgens, K.; Jamieson, C.; Boersma, M.; Gocke, K.: Daphnia versus copepod impact on summer phytoplankton: functional compensation at both trophic levels. Oecologia 135 (4), pp. 639 - 647 (2003)

Beutler, M.; Wiltshire, K. H.; Arp, M.; Kruse, J.; Reineke, C.; Moldaenke, C.; Hansen, U. P.: A reduced model of the fluorescence from the cyanobacterial photosynthetic apparatus designed for the in situ detection of cyanobacteria. Biochimica et Biophysica Acta-Bioenergetics 1604 (1), pp. 33 - 46 (2003)

Lampert, W.; McCauley, E.; Manly, B. F. J.: Trade-offs in the vertical distribution of zooplankton: ideal free distribution with costs? Proceedings of the Royal Society of London Series B-Biological Sciences 270 (1516), pp. 765 - 773 (2003)

Wolf, A.; Wiese, J.; Jost, G.; Witzel, K.-P.: Wide geographic distribution of bacteriophages that lyse the same indigenous freshwater isolate (Sphingomonas sp strain B18). Applied and Environmental Microbiology 69 (4), pp. 2395 - 2398 (2003)