Results 41 to 50 of about 9,157 (204)

Winter Bird Assemblages in Rural and Urban Environments: A National Survey [PDF]

open access: yes, 2015
Urban development has a marked effect on the ecological and behavioural traits of many living organisms, including birds. In this paper, we analysed differences in the numbers of wintering birds between rural and urban areas in Poland. We also analysed
A Cannon   +69 more
core   +9 more sources

Evaluation of Spatio-Temporal Patterns of Predation Risk to Forest Grouse Nests in the Central European Mountain Regions

open access: yesAnimals, 2021
We evaluated the spatiotemporal patterns of predation risk on black grouse nests using artificial nests that were monitored by camera traps in mountain areas with a small extant (Ore Mts.) and already extinct (Jeseníky Mts.) black grouse population.
Jan Cukor   +6 more
doaj   +1 more source

30-Year-Long Changes in Terrestrial Vertebrate Fauna of Niebieskie ŹródłA (Blue Springs) Nature Reserve in Tomaszów Mazowiecki, Central Poland [PDF]

open access: yes, 2010
The article focuses on changes in terrestrial vertebrate fauna of Niebieskie Źródła (Blue Springs) Nature Reserve that occurred between two censuses carried out in the area.
Hejduk, Janusz   +3 more
core   +2 more sources

Spatial patterns of habitat distribution of Corvidae (the case of urban-rural gradient)

open access: yesVìsnik Dnìpropetrovsʹkogo Unìversitetu: Serìâ Bìologìâ, Ekologìâ, 2016
The spatial distribution and abundance of Corvidae species in Zhytomyr region was studied in terms of the urban-rural gradient. We selected Rook (Corvus frugilegus L.), Eurasian Jackdaw (C. monedula L.), Hooded Crow (C. cornix L.), Common Raven (C. corax
А. A. Zimaroyeva   +2 more
doaj   +1 more source

Massive and effective acorn dispersal into agroforestry systems by an overlooked vector, the Eurasian magpie (Pica pica)

open access: yesEcosphere, 2019
Oak regeneration and the expansion of forested sites in Eurasia rely on acorn dispersal by animals, especially the Eurasian jay (Garrulus glandarius). However, in open agroforestry systems where jays are absent, such as old fields far from acorn sources,
Loreto Martínez‐Baroja   +9 more
doaj   +1 more source

Evidence for West Nile Virus and Usutu Virus Infections in Wild and Resident Birds in Germany, 2017 and 2018 [PDF]

open access: yes, 2019
Wild birds play an important role as reservoir hosts and vectors for zoonotic arboviruses and foster their spread. Usutu virus (USUV) has been circulating endemically in Germany since 2011, while West Nile virus (WNV) was first diagnosed in several bird ...
Eiden, Martin   +19 more
core   +2 more sources

Impact of forestry practices on fitness correlates and population productivity in an open-nesting bird species [PDF]

open access: yes, 2007
In the boreal forests of Fennoscandia, over 99% of the forest area has been altered by forestry practices, which has created forests of differing age structures and stand characteristics than primary forest stands.
Eggers, S.   +3 more
core   +1 more source

China and the European Union:Potential beneficiaries of Bush's global coalition [PDF]

open access: yes, 2002
While it appears probable that China and the EU will each increase its global power without reference to the other, it is also possible that they might do so jointly in specified areas of common interest. This is likely to occur through institutional and
Dellios, Rosita, Field, Heather
core   +1 more source

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