More and more generalists: two decades of changes in the European avifauna

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F12%3A33142735" target="_blank" >RIV/61989592:15310/12:33142735 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1098/rsbl.2012.0496" target="_blank" >http://dx.doi.org/10.1098/rsbl.2012.0496</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1098/rsbl.2012.0496" target="_blank" >10.1098/rsbl.2012.0496</a>

Result language
angličtina
Original language name
More and more generalists: two decades of changes in the European avifauna
Original language description
Biotic homogenization (BH) is a process whereby some species (losers) are systematically replaced by others (winners). While this process has been related to the effects of anthropogenic activities, whether and how BH is occurring across regions and therole of native species as a driver of BH has hardly been investigated. Here, we examine the trend in the community specialization index (CSI) for 234 native species of breeding birds at 10 111 sites in six European countries from 1990 to 2008. Unlike many BH studies, CSI uses abundance information to estimate the balance between generalist and specialist species in local assemblages. We show that bird communities are more and more composed of native generalist species across regions, revealing a strong,ongoing BH process. Our result suggests a rapid and non-random change in community composition at a continental scale is occurring, most likely driven by anthropogenic activities.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
EG - Zoology
OECD FORD branch
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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