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Article

Diving duck census efficiency based on monitoring of individually marked females: the influence of breeding stage and timing of census

Markéta Čehovská, Auteur ; Petr Musil, Auteur ; Zuzana Musilová, Auteur ; Klára Poláková, Auteur ; Jan Zouhar, Auteur

Dans Bird Study (66(2) April, 2019)

Capsule: Observations of individually marked females of three diving duck species showed that the stage of breeding season and census month most affected their resighting probability in the breeding season.Aims: To evaluate the efficiency of a d[...]

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Article

Density-dependent regulation of breeding success in the Red-crested Pochard Netta rufina

Klára Poláková, Auteur ; Petr Musil, Auteur ; Zuzana Musilová, Auteur ; Jan Zouhar, Auteur

Dans Bird Study (65(1) March, 2018)

Capsule: Numbers of breeding Red-crested Pochard Netta rufina in the Czech Republic were positively correlated with reproductive success in the previous year, yet annual productivity, declined with increasing numbers of females at the beginning [...]

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