Life history consequences of sterol availability in the aquatic keystone species Daphnia
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منابع مشابه
Effects of temperature and dietary sterol availability on growth and cholesterol allocation of the aquatic keystone species Daphnia.
Enhanced water temperatures promote the occurrence of cyanobacterial blooms, which may be detrimental to aquatic herbivores. Especially, the often-dominant crustaceans could be negatively affected because cyanobacteria are deficient in phytosterols, which are required by the crustaceans to form the membrane component cholesterol, which in turn plays a role in thermal adaptation. Here, we determ...
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Punidan D. Jeyasingh* and Lawrence J. Weider Graduate Program in Ecology and Evolutionary Biology, Biological Station and Department of Zoology, University of Oklahoma, Norman OK 73019, USA *Correspondence: E-mail: [email protected] Abstract We analysed growth plasticity of two Daphnia pulex clones under low-phosphorus (LP) and high phosphorus (HP) conditions, in the presence of Chaoborus kairomones ...
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Ambient calcium is declining in thousands of soft-water lake habitats in temperate regions as a consequence of unsustainable forestry practices, decreased atmospheric calcium deposition and acidic deposition. As their exoskeleton is heavily reinforced with calcium, freshwater crustaceans have a high specific calcium requirement relative to other aquatic organisms. Daphnia, in particular, is an ...
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ژورنال
عنوان ژورنال: Oecologia
سال: 2005
ISSN: 0029-8549
DOI: 10.1007/s00442-005-0090-8