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  Nutritional quality of seston for the freshwater herbivore Daphnia galeata x hyalina: biochemical versus mineral limitations

Boersma, M., Schöps, C., & McCauley, E. (2001). Nutritional quality of seston for the freshwater herbivore Daphnia galeata x hyalina: biochemical versus mineral limitations. Oecologia, 129(3), 342-348. doi:10.1007/s004420100728.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-DE41-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-DE42-7
Genre: Journal Article

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Boersma, M., et al., 2001, S- 37734.pdf (Publisher version), 67KB
 
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Boersma, M., et al., 2001, S- 37734.pdf
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 Creators:
Boersma, Maarten1, Author           
Schöps, Claudia1, Author           
McCauley, Edward, Author
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: assimilation; highly unsaturated fatty acids; fatty acid; phosphorus; seasonal dynamics
 Abstract: The quality of natural seston as food for zooplankters can be highly variable. Thus far, experimental evidence on the factors affecting food quality under natural conditions is scarce. Hence, in this study, we set out to investigate how Daphnia galeata x hyalina responded to qualitative variation in natural seston. This was done in laboratory experiments where we supplement natural seston from a mesotrophic lake with dissolved phosphorus and emulsions of highly unsaturated "essential" fatty acids. The growth rate of juveniles increased upon the supply of both phosphorus and fatty acids. These results suggest that these phosphorus and highly unsaturated fatty acids are substitutable and thus challenge our existing interpretation/understanding of how herbivore growth is "limited"

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Language(s): eng - English
 Dates: 2001-11
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 113098
DOI: 10.1007/s004420100728
Other: 2034/S 37734
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Title: Oecologia
Source Genre: Journal
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Pages: - Volume / Issue: 129 (3) Sequence Number: - Start / End Page: 342 - 348 Identifier: ISSN: 0029-8549