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  Offspring size in Daphnia: does it pay to be overweight?

Boersma, M. (1998). Offspring size in Daphnia: does it pay to be overweight?.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-E120-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-E121-7
Genre: Conference Paper

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Boersma, M., 1997, S-37386.pdf (Publisher version), 113KB
 
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Boersma, M., 1997, S-37386.pdf
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 Creators:
Boersma, Maarten1, 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: life history; food
 Abstract: Variation in offspring size and number has been described for a wide range of organisms. In this study I investigated the relationship between resource level of the mother and size of her offspring in the cladoceran Daphnia magna, in order to assess whether offspring produced at different food levels are optimal in size for these food levels. Optimal offspring size was defined as the size of offspring that yields the highest parental fitness (i.e. offspring of optimal size have the highest juvenile fitness per unit maternal effort invested in them). I observed that especially at the higher food levels, daphnids produced offspring that are larger than the computed optimal offspring size at these food levels. I interpret this as a mechanism to avoid starvation of neonates in the case of suddenly deteriorating food conditions.

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Language(s): eng - English
 Dates: 1998-12-24
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 120997
Other: 1742/S 37386
 Degree: -

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Title: Cladocera: The Biology of Model Organisms
Place of Event: Postojna, Slovenia
Start-/End Date: 1996-08-08 - 1996-08-15

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Title: Cladocera: The Biology of Model Organisms. proceedings of the Fourth International Symposium on Cladocera
Source Genre: Issue
 Creator(s):
Brancelj, A., Editor
De Meester, L.1, Editor           
Spaak, P.1, Editor           
Affiliations:
1 Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547            
Publ. Info: -
Pages: XII, 303 p. Volume / Issue: - Sequence Number: - Start / End Page: 79 - 88 Identifier: -

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Title: Hydrobiologia
Source Genre: Journal
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Pages: XII, 303 p. Volume / Issue: 360 Sequence Number: - Start / End Page: - Identifier: ISSN: 0018-8158