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Alyona I. Koshkina, Auteur ; Alexey V. Koshkin, Auteur ; Alexey Y. Timoshenko, Auteur ; Artyom A. Koshkin, Auteur ; Holger Schielzeth, AuteurCapsuleSurveys of the White-headed Duck Oxyura leucocephala at key breeding and staging sites in Kazakhstan suggest a positive trend for the migratory Eastern population and an underestimation of the global population.AimsTo review and update th[...]
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Article
Mara M. Benito, Auteur ; Holger Schielzeth, Auteur ; Jacob González-Solís, Auteur ; Peter H. Becker, AuteurAdaptive sex allocation has frequently been studied in sexually size dimorphic species, but far less is known about patterns of sex allocation in species without pronounced sexual size dimorphism. Parental optimal investment can be predicted und[...]
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Roger Jovani, Auteur ; Holger Schielzeth, Auteur ; Roddy Mavor, Auteur ; Daniel Oro, AuteurAnimal collective patterns such as group size frequency distributions often show substantial intraspecific variation, suggesting low species-specific consistency. Here, we dissect intraspecific vs interspecific components of colony size variatio[...]
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Wader, gull and tern population estimates for a key breeding and stopover site in Central Kazakhstan
Holger Schielzeth, Auteur ; Johannes Kamp, Auteur ; Goetz Eichhorn, Auteur ; Thomas Heincke, Auteur ; Maxim A. Koshkin, Auteur ; Lars Lachmann, Auteur ; Robert D. Sheldon, Auteur ; Alexej V. Koshkin, AuteurPopulation size estimates of waders, gulls and terns passing through or breeding in Central Asia are very scarce, although highly important for global flyway population estimates as well as for targeting local conservation efforts. The Tengiz-Ko[...]
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Holger Schielzeth, Auteur ; Gotz Eichhorn, Auteur ; Thomas Heinicke, Auteur ; Johannes Kamp, Auteur ; Maxim A. Koshkin, Auteur ; Alexej V. Koshkin, Auteur ; Lars Lachmann, AuteurRealistic population size estimates for waterbirds are crucial for the application of wetland conservation strategies, since the identification of internationally important wetlands is based on local numbers relative to the population size of th[...]
