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Diversity patterns in helminth communities in common gulls, Larus canus

Published online by Cambridge University Press:  06 April 2009

C. R. Kennedy  and
T. A. Bakke
C. R. Kennedy
Affiliation:
Department of Biological Sciences, The University, Exeter EX4 4PS, UK
T. A. Bakke
Affiliation:
Zoological Museum, Sars Gt 1, N–0562 Oslo 5, Norway
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Summary

The parameters of species richness, abundance and diversity of the intestinal helminth infracommunities of a sample of 269 Common gulls, Larus canus, were examined over one season at Agdenes, Norway. The communities developed rapidly in unfledged gulls and the diversity parameters were of similar magnitude in immature and adult birds. All parameters were low in the early part of the season, reached maxima in June or July and fluctuated erratically or declined thereafter. Comparison of summary parameters with those from other species of gulls indicated that helminth community diversity in Common gulls is fairly typical of gulls in general. In gulls as a group, helminth communities show common features of high species richness, low abundance, few or no core species and a number of species that occur rarely and in low numbers. Expectations of particularly high parasite community diversity were not fully realised because species lists and diversity of the component community are not a very good basis for predicting diversity at the infracommunity level.

Keywords

Larus canusdiversity patternshelminth infracommunities

Information

Type
Research Article
Information
Parasitology , Volume 98 , Issue 3 , June 1989 , pp. 439 - 445
Copyright
Copyright © Cambridge University Press 1989

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