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Common cuckoo Cuculus canorus parasitism, antiparasite defence and gene flow in closely located populations of great reed warblers Acrocephalus arundinaceus

Moskat, Csaba; Hansson, Bengt LU ; Barabas, Lilla; Bartol, Istvan and Karcza, Zsolt (2008) In Journal of Avian Biology 39(6). p.663-671
Abstract
In Hungary an unusually high rate of parasitism on the great reed warbler Acrocephalus arundinaceus by the common cuckoo Cuculus canorus has been maintained for at least the last one hundred years. We evaluated parasitism rate, antiparasite defence and genetic differentiation among Hungarian great reed warblers at three sites located 40-130 km from each other, where hosts suffered from a high (41-68%), moderate (11%), and almost no (< 1%) parasitism. We were especially interested in whether the level of antiparasite defence was related to the local parasitism rate, and, if not, to understand why. There was no difference among the three sites in the responses to experimental parasitism by non-mimetic model cuckoo eggs (rejection rate... (More)
In Hungary an unusually high rate of parasitism on the great reed warbler Acrocephalus arundinaceus by the common cuckoo Cuculus canorus has been maintained for at least the last one hundred years. We evaluated parasitism rate, antiparasite defence and genetic differentiation among Hungarian great reed warblers at three sites located 40-130 km from each other, where hosts suffered from a high (41-68%), moderate (11%), and almost no (< 1%) parasitism. We were especially interested in whether the level of antiparasite defence was related to the local parasitism rate, and, if not, to understand why. There was no difference among the three sites in the responses to experimental parasitism by non-mimetic model cuckoo eggs (rejection rate 71-82%), which can be explained by strong gene flow between populations: there was low level of philopatry and no genetic differentiation in the region. Reproductive success of the host in the heavily parasitised site was about 54% of that in the unparasitised site, indicating that long-term persistence of host populations in highly exploited areas depends on continuous immigration. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Avian Biology
volume
39
issue
6
pages
663 - 671
publisher
Federation of European Neuroscience Societies and Blackwell Publishing Ltd
external identifiers
  • wos:000261063800010
  • scopus:56049091051
ISSN
0908-8857
DOI
10.1111/j.1600-048X.2008.04359.x
language
English
LU publication?
yes
id
3f303f53-67bb-47a8-ae42-5a06fc54a0bd (old id 1307545)
date added to LUP
2009-03-19 14:49:46
date last changed
2017-08-13 03:28:20
@article{3f303f53-67bb-47a8-ae42-5a06fc54a0bd,
  abstract     = {In Hungary an unusually high rate of parasitism on the great reed warbler Acrocephalus arundinaceus by the common cuckoo Cuculus canorus has been maintained for at least the last one hundred years. We evaluated parasitism rate, antiparasite defence and genetic differentiation among Hungarian great reed warblers at three sites located 40-130 km from each other, where hosts suffered from a high (41-68%), moderate (11%), and almost no (&lt; 1%) parasitism. We were especially interested in whether the level of antiparasite defence was related to the local parasitism rate, and, if not, to understand why. There was no difference among the three sites in the responses to experimental parasitism by non-mimetic model cuckoo eggs (rejection rate 71-82%), which can be explained by strong gene flow between populations: there was low level of philopatry and no genetic differentiation in the region. Reproductive success of the host in the heavily parasitised site was about 54% of that in the unparasitised site, indicating that long-term persistence of host populations in highly exploited areas depends on continuous immigration.},
  author       = {Moskat, Csaba and Hansson, Bengt and Barabas, Lilla and Bartol, Istvan and Karcza, Zsolt},
  issn         = {0908-8857},
  language     = {eng},
  number       = {6},
  pages        = {663--671},
  publisher    = {Federation of European Neuroscience Societies and Blackwell Publishing Ltd},
  series       = {Journal of Avian Biology},
  title        = {Common cuckoo Cuculus canorus parasitism, antiparasite defence and gene flow in closely located populations of great reed warblers Acrocephalus arundinaceus},
  url          = {http://dx.doi.org/10.1111/j.1600-048X.2008.04359.x},
  volume       = {39},
  year         = {2008},
}