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Article
Jakub Vrana, Auteur ; Vladimir Remes, Auteur ; Beata Matysiokova, Auteur ; Kathleen M. C. Tjorve, Auteur ; Even Tjorve, AuteurGrowth of the young is an important part of the life history in birds. However, modelling methods have paid little attention to the choice of regression model used to describe its pattern. The aim of this study was to evaluate whether a single s[...]
Article
Breeding phenology of African Black Oystercatchers Haematopus moquini on Robben Island, South Africa
Kathleen M. C. Tjorve, Auteur ; Leslie G. Underhill, AuteurThe timing of the start and duration of breeding and the effect of these on breeding productivity were analysed for African Black Oystercatchers Haematopus moquini on Robben Island, South Africa, over three breeding seasons from 2001 to 2004. Af[...]
Article
Kathleen M. C. Tjorve, Auteur ; Gabriel E. García-Peña, Auteur ; Tamás Székely, AuteurThe rate at which a young bird grows is highly diverse across taxa. We investigated the influences of ecological variables on growth rates of shorebirds, gulls and their allies (order Charadriiformes) using comparative analyses of 68 species. We[...]
Article
Kathleen M. C. Tjorve, Auteur ; Hans Schekkerman, Auteur ; Ingrid Tulp, Auteur ; Leslie G. Underhill, Auteur ; Joep J. de Leeuw, Auteur ; G. Henk Visser, AuteurThe little stint Calidris minuta is one of the smallest shorebird species breeding in the Arctic (weighing 4.3 g on hatching). Their chicks are small and have a high surface area-to-volume ratio. We determined prefledging growth, energy expendit[...]
Article
Kathleen M. C. Tjorve, Auteur ; Even Tjorve, AuteurBreeding Eurasian Oystercatchers Haematopus ostralegus on islands of southern Norway experience different levels of human disturbance in addition to different environmental factors within the archipelago. The purpose of this study was to determi[...]
Article
Kathleen M. C. Tjorve, Auteur ; Even Tjorve, AuteurPostnatal growth in birds is traditionally modelled by fitting three-parameter models, namely the logistic, the Gompertz, or the von Bertalanffy models. The purpose of this paper is to address the utility of the Unified-Richards (U-Richards) mod[...]
