Pardo, I.; Zwick, P.: Contribution to the knowledge of Mediterranean Leuctra (Plecoptera: Leuctridae). Mitteilungen der Schweizersichen Entomologischen Gesellschaft 66 (3-4), pp. 417 - 434 (1993)

Sanders, R. W.; Wickham, S. A.: Planktonic protozoa and metazoa: predation, food quality and population control. Marine Microbial Food Webs 7 (2), pp. 197 - 223 (1993)

Sütfeld, R.: Exudation of UV-light absorbing natural products by seedlings Nuphar lutea. Chemoecology 4, pp. 108 - 114 (1993)

Wagner, R.: On a collection of Psychodidae (Diptera) by Dr. L. Botosaneanu from some Caribbean Islands. Aquatic Insects 15 (2), pp. 109 - 127 (1993)

Wagner, R.: Two undescribed larvae of the genus Jungiella Vaillant (Diptera, Psychodidae) with a key to the known larvae. Dipterists Digest 13, pp. 35 - 40 (1993)

Wagner, R.: Beobachtungen an Trichopterenpopulationen des Breitenbaches. Verhandlungen Westdeutscher Entomologentag 1991, Löbbecke-Museum, Düsseldorf, pp. 143 - 152 (1993)

Zwick, P.: Ökologie von Fließgewässern. Biologie in unserer Zeit 23 (5), pp. 316 - 321 (1993)

Zwick, P.; Vinçon, G.: Contribution to the knowledge of Pyrenean stonflies (Insecta: Plecoptera) [Contribution à la connaissance des Plécoptères pyrénées (Insecta: Plecoptera)]. Annales de Limnologie 29 (1), pp. 47 - 57 (1993)

Gabriel, W.: Technologically modified genes in natural populations: some skeptical remarks on risk assessment from the view of population genetics. In: Transgenic Organisms: Risk assessment of deliberate release, pp. 109 - 116 (Eds. Wöhrmann, K.; Tomiuk, J.). Birkhäuser, Basel (1993)

Heckman, C. W.; Hardoim, E.; Ferreira, S.; Kretschmar, A. U.: Preliminary Observations on Some Cosmopolitan Algae in Ephemeral Water Bodies of the Pantanal, Mato Grosso, Brazil. In: Wetlands and Ecotones: Studies on Land-Water Interactions. National Institue of Ecology an International Scientific Publications, New Delhi (1993)

Junk, W. J.; Piedade, M. T. F.; Salati, E.: Recursos hídricos na Amazônia: Perspectivas científicas para os anos noventa. In: Bases Cientificas para Estrategias de Preservacao e Desenvolvimento da Amazonia, Vol. 2, pp. 199 - 213. Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil (1993)

Kretzschmar, A. U.; Ferreira, S. A.; Lopes Hardoim, E.; Heckman, C. W.: Peak growth of the Asplanchna sieboldi (Leydig 1854) rotifer aggregation in relation to the seasonal wet and dry cycle in the Pantnal, Mato Grosso, Brazil. In: Wetlands and Ecotones: Studies on Land-Water Interactions, pp. 293 - 301. International Scientific Publications, New Delhi (1993)

Milinski, M.: Predation risk and feeding behaviour. In: Behaviour of Teleost Fishes. Chapman & Hall, London (1993)

Rothhaupt, K. O.: Critical consideration of chemostat experiments. In: Plankton Regulation Dynamics: Experiments and Models in Rotifer Continuousres, pp. 217 - 225 (Ed. Walz, N.). Springer, Berlin (1993)

Rothhaupt, K. O.: Rotifers and continuous culture techniques: Model systems for testing mechanistic concepts of consumer-resource interactions. In: Plankton Regulation Dynamics, pp. 178 - 192 (Ed. Walz, N.). Springer, Berlin (1993)

Rothhaupt, K. O.: Steady-state growth and carbon metabolism of Brachionus rubens and B. calyciflorus. In: Plankton Regulation Dynamics, pp. 123 - 132 (Ed. Walz, N.). Springer, Berlin (1993)

Sioli, H.: Natur und Mensch in Lateinamerika. In: Anuario 1993, Jahrbuch des Lateinamerika-Zentrums, 5, pp. 53 - 62. Vervuert Verlag, Frankfurt am Main (1993)

Sioli, H.: Der Mensch und die Ökologie des Amazonasgebietes. Ein Plädoyer für die Indianer. In: Kultur Identität Kommunikation. 2. Versuch, pp. 245 - 262. Eberhard Verlag, München (1993)

Zwick, H.: Zum Stand der Taxonomie und Determination einheimischer Kriebelmücken (Diptera: Simuliidae) [The latest developments in research on taxonomy and determination of indigenous black flies (Diptera: Simuliidae)]. In: Beiträge zur Taxonomie, Faunistik und Ökologie der Kriebelmücken in Mitteleuropa (Diptera, Simuliidae), pp. 37 - 52 (Eds. Burghardt, W.; Kuttler, W.; Schuhmacher, H.). Westarp Wissenschaften (1993)

Hofmann, W.: Dynamics of a littoral Cladocera assemblage under the influence of climatic and water depth changes from Alleröd to Subboreal. Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie 25 (2), pp. 1095 - 1101 (1993)