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2.662  Articles
1 of 267 pages  |  10  records  |  more records»
Studies of diurnal birds of prey may be quite indicative of the state of natural ecosystems and of the level of impact of human-induced factors on their functions. The aim of this work was to analyse the long-term dynamics of the raptor populations within... see more

In Ukraine the Great Cormorant (Phalacrocorax carbo Linnaeus, 1758) uses a rather wide range of habitats for nesting: islands, trees and shrubs, reedbeds and a variety of man-made structures. In general, the strategy of nesting on man-made structures is u... see more

Mining activities radically change natural ecosystems, the recovery of which is not possible without the restoration of native or transformed communities of autotrophic and heterotrophic organisms. In order to analyze the success of biodiversity restorati... see more

The article deals with natural conditions and present landscape of the Aghgol National park (Aghgol Ramsar Area). The work has been based on author’s field research and respective scientific materials. A large-scale landscape map of the mentioned national... see more

The classifications of the grouping of the birds reflect the faunistic or the ecological position of the species in certain habitats and landscapes. Most of them consider the species diversity of the birds of the studied regions in general, including syna... see more

Resumo · Atualmente informações sobre as variáveis que influenciam a seleção dos territórios reprodutivos das populações brasileiras do Coleiro-do-brejo (Sporophila collaris) são escassas assim como a descrição de áreas para nidificação. Durante a estação... see more

[In 2019, 57 Bearded vulture territories (Gypaetus barbatus) were counted in the Alps, 15 of which in Italy: 9 in the Stelvio National Park and in the Venosta Valley, 5 in the Aosta Valley inside and close by the Gran Paradiso National Park and 1 in the L... see more

[The results of a research on Lanner in southern Sicily, carried out between 1978 and 2018, are reported. 32 Lanner nesting territories have been taken into account, from sea level up to 1200 m of altitude. Until 2005, there were about 25 nesting pairs in... see more

Resumo · Atualmente informações sobre as variáveis que influenciam a seleção dos territórios reprodutivos das populações brasileiras do Coleiro-do-brejo (Sporophila collaris) são escassas assim como a descrição de áreas para nidificação. Durante a estação... see more

1 of 267 pages  |  10  records  |  more records»