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  Dispersion patterns of parasites in 0+ year three-spined sticklebacks: a cross population comparison

Kalbe, M., Wegner, K. M., & Reusch, T. B. H. (2002). Dispersion patterns of parasites in 0+ year three-spined sticklebacks: a cross population comparison. Journal of Fish Biology, 60(6), 1529-1542. doi:10.1006/jfbi.2002.2013.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD33-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD34-D
Genre: Journal Article

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kalbe_2002.pdf (Publisher version), 269KB
 
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 Creators:
Kalbe, M.1, 2, Author              
Wegner, K. M.1, Author              
Reusch, T. B. H.1, 3, Author              
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              
2Research Group Parasitology, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445643              
3Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: Gasterosteus aculeatus; parasites; dispersion; mortality; variance to mean ratio
 Abstract: Two ciliates and 16 metazoan parasites were identified in 434 0+ year three-spined sticklebacks Gasterosteus aculeatus collected from two small rivers and four lakes located in Schleswig-Holstein, Germany. By repeated sampling and analysis of dispersion patterns of six frequently occurring parasites no consistent evidence was found for mortality induced by a single parasite species. Linear log-variance to log-mean abundance ratios with slopes of c. 2 indicated negative binomial distributions for five of the six parasites. The numbers of these six parasites were combined as multiples Of S.D. of each parasite species over all samples to form an ''individual parasitation index'' (I-PI), which showed that only in one locality a slight decrease in parasite burden occurred between September and April. In two of the lake populations, however, there was a distinct decline in the degree of dispersion in spring samples. This indicates that a combination of different species might cause parasite-induced host mortality, undetectable by patterns obtained from single species. There were differences in parasite diversity and intensity of infection among river compared to lake populations suggesting a role for parasites as selective agents in the ecological divergence of three-spined sticklebacks. (C) 2002 The Fisheries Society of the British Isles. Published by Elsevier Science Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2002-06
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 3933
ISI: 000178406000014
DOI: 10.1006/jfbi.2002.2013
Other: 2077/S 37806
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Title: Journal of Fish Biology
  Alternative Title : J. Fish Biol.
Source Genre: Journal
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Pages: - Volume / Issue: 60 (6) Sequence Number: - Start / End Page: 1529 - 1542 Identifier: ISSN: 0022-1112