Waterfowl wintering in Moscow (1985-1999): dependence on air temperatures and the prosperity of the human population

Avilova, Kseniâ Vsevolodovna; Erëmkin, Grigorij Stanislavovič (1973– )

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Title: Waterfowl wintering in Moscow (1985-1999): dependence on air temperatures and the prosperity of the human population

Abstract:

Over fifteen years (1985-1999) waterfowl were counted during one day in January on 33 permanent routes with a total length of c. 310 km along the banks of all rivers and ponds throughout the city. 23 species (apart from gulls) were recorded. The number of species varied from 3 to 10 in different years and increased significantly during the study period. Mallard Anas platyrhynchos was the most numerous species (98-99% of individuals). The proportion of male Mallards varied from year to year within the range 54-63%. The number of Mallards gradually increased from c. 17 300 in the winter of 1984-1985 to c. 28 000 in the winter of 1989-90 but then declined to c. 7500 in the winter of 1997-1998. These changes appear to depend on both air temperatures during the winter and the prosperity of the city's inhabitants, who feed ducks with bread and scraps of food. It is highly probable that the change in the socio-economic situation has been the main cause of the decline in waterfowl observed during the 1990s.

Relation:

Acta Ornithologica

Volume:

Issue:

Start page:

End page:

Detailed Resource Type:

Artykuł ; Materiały konferencyjne

Format:

application/pdf

Resource Identifier:

oai:rcin.org.pl:45286

Source:

MiIZ PAN, patrz sygn. czas. P.257, Vol. 36, No 1 ; MiIZ PAN, patrz sygn. czas. P.4568, Vol. 36, No 1 ; click here to follow the link

Language:

eng ; pol

Rights:

Prawa zastrzeżone - dostęp ograniczony

Terms of use:

Zasób chroniony prawem autorskim. Korzystanie dozwolone wyłącznie na terminalach Muzeum i Instytutu Zoologii PAN w zakresie określonym przez przepisy o dozwolonym użytku.

Digitizing institution:

Muzeum i Instytut Zoologii Polskiej Akademii Nauk

Original in:

Biblioteka Muzeum i Instytutu Zoologii PAN

Projects co-financed by:

Program Operacyjny Innowacyjna Gospodarka, lata 2010-2014, Priorytet 2. Infrastruktura strefy B + R ; Unia Europejska. Europejski Fundusz Rozwoju Regionalnego

Access:

Zamknięty

Subject and keywords:

Ptaki wodne -- zimowanie -- Rosja -- Moskwa -- konferencje [KABA] dynamika populacji urbanizacja temperatura powietrza Anas platyrhynchos Aves 1985-99

Object collections:

Last modified:

Oct 2, 2020

In our library since:

May 23, 2014

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All available object's versions:

https://rcin.org.pl/publication/61300

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Acta Ornithologica
- Acta Ornithologica Musei Zoologici Polonici
- Acta Ornithologica

Edition name	Date
Waterfowl wintering in Moscow (1985-1999): dependence on air temperatures and the prosperity of the human population / Avilova, Kseniâ Vsevolodovna	Oct 2, 2020

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