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  Daphnia diel vertical migration behavior: Response to vertebrate predator abundance

Loose, C. J. (1993). Daphnia diel vertical migration behavior: Response to vertebrate predator abundance.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-E407-F Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-E408-D
Genre: Conference Paper

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loose2_1993.pdf (Any fulltext), 335KB
 
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 Creators:
Loose, Carsten J.1, Author           
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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 Abstract: The response of Daphnia diel vertical migration (DVM) to different predator regimes was studied in an 11.2 m high stratified tower tank. A gradual increase in fish abundance chemically-induced a parallel increase in the average depth of the Daphnia population during day, whereas at night the population stayed in the warm epilimnion regardless of fish abundance. The response curve of mean day depth vs. predator abundance shows a saturation effect at high fish densities. The effect of the chemical factor inducing DVM vanished within 72 hrs after removal of the predator from the system. The results suggest that the adaptation of DVM to changes in predator abundance could be based upon the phenotypically-plastic response of a given genotype to varying concentrations of a chemical factor produced by fish.

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 Dates: 1993-04
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 215245
Other: 1387/S 36373
 Degree: -

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Title: Diel vertical migration of zooplankton
Place of Event: Lelystad, The Netherlands
Start-/End Date: 1991-11-03 - 1991-11-08

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Source 1

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Title: Diel vertical migration of zooplankton. Proceedings of an International Symposium
Source Genre: Issue
 Creator(s):
Ringelberg, Joop, Editor
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Publ. Info: -
Pages: IX, 222 S. Volume / Issue: - Sequence Number: - Start / End Page: 29 - 36 Identifier: ISBN: 3-510-47040-0

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Title: Archiv für Hydrobiologie/Ergebnisse der Limnologie
  Alternative Title : Arch. Hydrobiol. Beih. Ergebn. Limnol.
Source Genre: Journal
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Publ. Info: -
Pages: IX, 222 S. Volume / Issue: 39 Sequence Number: - Start / End Page: - Identifier: ISSN: 0071-1128