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Concerning calculation methods and limitations of proxy-estimates of Proteins, Carbohydrates and Lipids in crustacean zooplankton from CHN analyses



The present comments resulted from a discussion I had with Dr. Riccardi about the validity of proxy estimates of protein, carbohydrate, and lipid in various zooplankton species of Northern Italian lakes (Riccardi & Mangoni 1999). For these estimates the authors used a calculation method proposed by Gnaiger & Bitterlich (1984; below referred to as G&B). The reason why I questioned the application of the unmodified G&B model to zooplankton was that carbohydrate in crustaceans is mostly present in form of chitin. The argumentation grow rapidly beyond a simple dispute about modes of calculation, leading to some more principle considerations about the limits of proxy estimates

Topics: Ecology, QH540-549.5, Biology (General), QH301-705.5, Science, Q, DOAJ:Ecology, DOAJ:Earth and Environmental Sciences, Geography. Anthropology. Recreation, G, Physical geography, GB3-5030, Environmental sciences, GE1-350
Publisher: PAGEPress Publications
Year: 2000
DOI identifier: 10.4081/jlimnol.2000.170
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