Zompro, O.: Revision of the genera of the Areolatae, including the status of Timema and Agathemera (Insecta, Phasmatodea). Goecke & Evers, Keltern-Weiler (2004), 327 pp.

Milinski, M.: Reputation zahlt sich aus und löst Kooperationsprobleme. In: Jahrbuch 2004. Max-Planck-Gesellschaft., pp. 383 - 387 (Ed. Generalverwaltung der Max-Planck-Gesellschaft). Max-Planck-Gesellschaft, München (2004)

Lampert, W.: Evolutionary ecology: natural selection in freshwater systems. In: Evolution: from molecules to ecosystems, pp. 109 - 121 (Eds. Moya, A.; Font, E.). Oxford University Press, Oxford (2004)

Parolin, P.: Estratégias de crescimento de dua espécies de árvores pioneiras na várzea da Amazônia Central. In: Hist´ria Natural, Ecologia e Conservação de algumas espécies de Plantas e Animais da Amazônia, pp. 23 - 25 (Eds. Cintra, R.; Universidade Federal do Amazonas; Instituto Nacional de Pesquisas da Amazônia; Fundação de Amparo à Pesquisa do Estado do Amazonas). EDUA/INPA/FAPEAM, Manaus (2004)

Da Cunha, C. N.; Wantzen, K. M.; Junk, W. J.: The Pantanal Ecology Project: Challenges and Progress of a Brazilian-German Scientific Collaboration. In: Proceedings of the Symposium. The Pantanal:Scientific and Institutional Challenges in Management of a Large and Complex Wetland Ecosystem. 24th Annual Meeting of the Society of Wetland Scientists, 8-13 June 2003, New Orleans, Louisiana, pp. 56 - 77 (Eds. Tazik, D. J.; Ioris, A. A. R.; Collinsworth, S. R.). The Pantanal:Scientific and Institutional Challenges in Management of a Large and Complex Wetland Ecosystem. 24th Annual Meeting of the Society of Wetland Scientists, New Orleans, Louisiana, June 08, 2003 - June 13, 2003. US Army Corps of Engineers, Engineer Research and Development Center, Washington, DC (2004)

Junk, W. J.; Wantzen, K. M.: The flood pulse concept: new aspects, approaches and applications - an update. In: Proceedings of the Second International Symposium on the Management of Large Rivers for Fisheries, pp. 117 - 149 (Eds. Welcomme, R. L.; Petr, T.). Second International Symposium on the Management of Large Rivers for Fisheries, Phnom Penh, Cambodia, February 11, 2003 - February 14, 2003. Food and Agriculture Organization and Mekong River Commission, FAO Regional Office for Asia and the Pacific, Bangkok (2004)

Wegner, K. M.: Major histocompatibility genes, polymorphism and balancing selection: the case of parasites and sticklebacks. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Feuchtmayr, H.: Mesozooplankton impacts on lower trophic levels from freshwater, marine and brackish systems in spring - a comparative study. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Sivars Becker, L.: Food and parasites - life-history decisions in copepods. Dissertation, Uppsala University, Uppsala (2004)

Aberle-Malzahn, N.: The microphytobenthos and its role in aquatic food webs. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Becker, C.: Living with constraints - food quality effects on zooplankton. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Zöllner, E.: Structuring effects of mesozooplankton on freshwater and marine microbial food webs. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Semmann, D.: Human cooperative behavior. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Kessler, K.: Vertical distribution of Daphnia in a trade-off between food and temperature. Dissertation, Christian-Albrechts-Universität, Kiel (2004)

Corno, G.: Bacteria-protozoan interactions and the underlying mechanisms of grazing-resistance in aquatic bacteria. Dissertation, Università degli Studi, Parma (2004)

Ketelhut, S. M.: Ecologia de comunidades de formigas (Hymenoptera: Formicidae) na várzea da Ilha de Marchantaria - município de Iranduba, Amazônia Central. Dissertation, Universidade do Amazonas, Manaus (2004)

Goetz, N.: Female mate choice in the cyclopoid copepod Macrocyclops albidus. Diploma, Christian-Albrechts-Universität, Kiel (2004)

Bartholmé, S.: Das Überleben von Copepodeneiern nach Fischfraß. Diploma, Christian-Albrechts-Universität, Kiel (2004)

Vernooij, S.: Effect of phosphorus limitation and fatty acid addition on Oncorhynchus mykiss larvae. Diploma, University, Wageningen (2004)

Junk, W. J.; Esteves, F. d. A.; Adis, J. U.; Saint-Paul, U. (Eds.): Amazoniana: Limnologia et Oecologia Regionalis Systematis Fluminis Amazonas (Special issue). Amazoniana: Limnologia et Oecologia Regionalis Systematis Fluminis Amazonas 18, (1/2) (2004), 172 pp.