Brent goose colonies near snowy owls: Internest distances in relation to breeding arctic fox densities

S.P. Kharitonov; B.S. Ebbinge; J. de Fouw

doi:10.1134/S106235901301007X

Brent goose colonies near snowy owls: Internest distances in relation to breeding arctic fox densities

S.P. Kharitonov, B.S. Ebbinge, J. de Fouw

Animal Ecology

Research output: Contribution to journal › Article › Academic › peer-review

3 Citations (Scopus)

Abstract

It was shown that in the years when the numbers of the Arctic foxes are high, even though the lemming numbers are high as well, Brent geese nest considerably closer to owls' nests than in the years with low Arctic fox numbers. At values of the Arctic fox densities greater than one breeding pair per 20 km(2), the factor of lemming numbers ceases to affect the distance between owl and geese nests. This distance becomes dependent on the Arctic fox density (numbers). When the Arctic fox density is greater than the pronounced threshold, the owl-Brent internest distance is inversely and linearly related to the Arctic fox density. DOI: 10.1134/S106235901301007X

Original language	English
Pages (from-to)	45-51
Journal	Biology Bulletin / Russian Academy of Sciences
Volume	40
Issue number	1
DOIs	https://doi.org/10.1134/S106235901301007X
Publication status	Published - 2013

Keywords

rough-legged buzzards
peregrine falcons
taimyr peninsula
lemmings

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title = "Brent goose colonies near snowy owls: Internest distances in relation to breeding arctic fox densities",

abstract = "It was shown that in the years when the numbers of the Arctic foxes are high, even though the lemming numbers are high as well, Brent geese nest considerably closer to owls' nests than in the years with low Arctic fox numbers. At values of the Arctic fox densities greater than one breeding pair per 20 km(2), the factor of lemming numbers ceases to affect the distance between owl and geese nests. This distance becomes dependent on the Arctic fox density (numbers). When the Arctic fox density is greater than the pronounced threshold, the owl-Brent internest distance is inversely and linearly related to the Arctic fox density. DOI: 10.1134/S106235901301007X",

keywords = "rough-legged buzzards, peregrine falcons, taimyr peninsula, lemmings",

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AU - Ebbinge, B.S.

AU - de Fouw, J.

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N2 - It was shown that in the years when the numbers of the Arctic foxes are high, even though the lemming numbers are high as well, Brent geese nest considerably closer to owls' nests than in the years with low Arctic fox numbers. At values of the Arctic fox densities greater than one breeding pair per 20 km(2), the factor of lemming numbers ceases to affect the distance between owl and geese nests. This distance becomes dependent on the Arctic fox density (numbers). When the Arctic fox density is greater than the pronounced threshold, the owl-Brent internest distance is inversely and linearly related to the Arctic fox density. DOI: 10.1134/S106235901301007X

AB - It was shown that in the years when the numbers of the Arctic foxes are high, even though the lemming numbers are high as well, Brent geese nest considerably closer to owls' nests than in the years with low Arctic fox numbers. At values of the Arctic fox densities greater than one breeding pair per 20 km(2), the factor of lemming numbers ceases to affect the distance between owl and geese nests. This distance becomes dependent on the Arctic fox density (numbers). When the Arctic fox density is greater than the pronounced threshold, the owl-Brent internest distance is inversely and linearly related to the Arctic fox density. DOI: 10.1134/S106235901301007X

KW - rough-legged buzzards

KW - peregrine falcons

KW - taimyr peninsula

KW - lemmings

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DO - 10.1134/S106235901301007X

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JO - Biology Bulletin / Russian Academy of Sciences

JF - Biology Bulletin / Russian Academy of Sciences

IS - 1

ER -

Brent goose colonies near snowy owls: Internest distances in relation to breeding arctic fox densities

Abstract

Keywords

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