Titlebook: Shallow Lakes ’98; Trophic Interactions Norbert Walz,Brigitte Nixdorf Book 1999 Springer Science+Business Media Dordrecht 1999 Ecology.Faun

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Cüneyt Karul,Selçuk Soyupak,Coṣkun Yurteriikationen in der Anästhesie“ das zweite Werk zum Themenkreis in gewohnt spannender, kurzweiliger und lehrreicher Art und Weise..Praxis-Plus: .eBook inside - kostenloser Download des eBooks inklusive.  .. ..978-3-662-58307-4978-3-662-58308-1

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Marie-Louise Meijer,Ingeborg de Boois,Marten Scheffer,Rob Portielje,Harry Hosperiden Autoren Matthias Hübler und Thea Koch aber hier mit diesem Buch präsentieren, liest sich wie ein unglaublich spannend geschriebener Actionroman, der den Leser unvermittelt mit realitätsnaher Dramatik in di978-3-642-20738-9

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Reduction of , blooms in a hypertrophic reservoir by a combined ecotechnological strategyd not reduce algal biomass. To supplement the top-down management, a new type of water treatment technology was tested during two seasons (May–August 1996/1997), aiming at the bottom-up control of mass developments of the cyanobacterium . The technology is based on a combined lake-internal phosphoru

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Cannibalism as a regulatory force of pikeperch, , (L.), population dynamics in the lowland Sulejow rce of strong inter- and intra-cohort cannibalism in the population of the key predator: pikeperch, . (L.). In early summer the number of young-of-the-year, YOY, pikeperch in stomach contents of older conspecifics positively correlated with density of juveniles in the pelagic zone. In two years (1994