Long-term decline in breeding abundance of Black-headed Gull (Chroicocephalus ridibundus) in the Czech Republic: a case study of a population trend at the Chomoutov lake

The aim of this paper is to evaluate the long-term trend in breeding abundance of Black-headed Gull (Chroicocephalus ridibundus) at the Chomoutov lake, Czech Republic. In the period 1978-2014 (always between April 22 and May 10), we conducted 14 nest counts in the bird colony using the direct nest s...

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Bibliographic Details
Main Authors: Poprach Karel, Machar Ivo, Maton Karel
Format: Article
Language:English
Published: Sciendo 2016-12-01
Series:Ekológia (Bratislava)
Subjects:
Online Access:https://doi.org/10.1515/eko-2016-0028