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          Institute: MPI für Evolutionsbiologie     Collection: Ecophysiology     Display Documents



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ID: 291436.0, MPI für Evolutionsbiologie / Ecophysiology
Predator-induced escape response in Daphnia
Authors:Pijanowska, Joanna; Dawidowicz, Piotr; Weider, Lawrence J.
Language:English
Date of Publication (YYYY-MM-DD):2006-09
Title of Journal:Archiv für Hydrobiologie
Journal Abbrev.:Arch. Hydrobiol.
Volume:167
Issue / Number:1-4
Start Page:77
End Page:87
Title of Issue:"Natural selection is ecology in action". Dedicated to Professor Dr. Winfried Lampert on the occasion of his 65th birthday
Full name of Issue-Editor(s):Boersma, Maarten; Santer, Barbara
Review Status:not specified
Audience:Not Specified
Abstract / Description:We studied the effects of predator exudates on evasion efficiency in two Daphnia magna clones that differed in their sensitivity to the kairomones. Pre-exposure to kairomones significantly increased the chances of survival of sensitive Daphnia when confronted with actively-foraging invertebrate and vertebrate predators, as compared to individuals which had not been pre-exposed to predator chemical cues. The induced response is adaptive: predators foraging on a mixture of sensitized and non-sensitized individuals, first removed those which had not been pre-exposed, or were non-sensitive to predator exudates. Predator-induced escape responses, therefore, can be a target for selection.
Free Keywords:Daphnia; escape; sensitisation; alertness
External Publication Status:published
Document Type:Article
Affiliations:MPI für Limnologie/Abt. Ökophysiologie
External Affiliations:Warsaw Univ, Dept Hydrobiol, PL-02097 Warsaw, Poland; Univ Oklahoma, Dept Zool, Norman, OK 73019 USA
Relations:Is Version Of-EDOCID:298559
Identifiers:ISSN:0003-9136 [ID-No:1]
DOI:10.1127/0003-9136/2006/0167-0077 [ID-No:2]
LOCALID:2502/S 38579 [Listen-Nummer/S-Nummer]
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