Arctic foxes
Abstract This chapter examines the life history characteristics of two Arctic fox populations, a relatively stable one in Iceland and a fluctuating one in Sweden. Intraspecific variation in reproductive and social strategies of Arctic foxes in Sweden and Iceland suggests that adaptations to differen...
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Oxford University PressOxford
2004
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croxfordunivpr:10.1093/acprof:oso/9780198515562.003.0008 2024-09-15T17:52:35+00:00 Arctic foxes Consequences of resource predictability in the Arctic fox—two life history strategies Angerbjörn, Anders Hersteinsson, Pall Tannerfeldt, Magnus 2004 http://dx.doi.org/10.1093/acprof:oso/9780198515562.003.0008 https://academic.oup.com/book/chapter-pdf/44963821/book_8191_section_153725219.ag.pdf en eng Oxford University PressOxford The Biology and Conservation of Wild Canids page 163-172 ISBN 0198515561 9780198515562 9780191705632 book-chapter 2004 croxfordunivpr https://doi.org/10.1093/acprof:oso/9780198515562.003.0008 2024-08-12T04:26:19Z Abstract This chapter examines the life history characteristics of two Arctic fox populations, a relatively stable one in Iceland and a fluctuating one in Sweden. Intraspecific variation in reproductive and social strategies of Arctic foxes in Sweden and Iceland suggests that adaptations to different resource distributions in have resulted in divergence in strategies between the two populations. In Sweden, where food availability fluctuates widely in time but less in space, the foxes have adopted the ‘jackpot’ strategy which exhibits enormous variation in reproductive output from year to year with much inter-annual variation in cub and juvenile survival, depending on food availability. In Iceland, on the other hand, where food availability is predictable in time and space, reproductive output is stable with small litter sizes, high cub survival, and intermediate dispersal distances, and female yearlings frequently use their natal territories as a base while searching for a vacant territory or mate in the neighbourhood. Book Part Arctic Fox Iceland Oxford University Press |
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Open Polar |
collection |
Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
description |
Abstract This chapter examines the life history characteristics of two Arctic fox populations, a relatively stable one in Iceland and a fluctuating one in Sweden. Intraspecific variation in reproductive and social strategies of Arctic foxes in Sweden and Iceland suggests that adaptations to different resource distributions in have resulted in divergence in strategies between the two populations. In Sweden, where food availability fluctuates widely in time but less in space, the foxes have adopted the ‘jackpot’ strategy which exhibits enormous variation in reproductive output from year to year with much inter-annual variation in cub and juvenile survival, depending on food availability. In Iceland, on the other hand, where food availability is predictable in time and space, reproductive output is stable with small litter sizes, high cub survival, and intermediate dispersal distances, and female yearlings frequently use their natal territories as a base while searching for a vacant territory or mate in the neighbourhood. |
format |
Book Part |
author |
Angerbjörn, Anders Hersteinsson, Pall Tannerfeldt, Magnus |
spellingShingle |
Angerbjörn, Anders Hersteinsson, Pall Tannerfeldt, Magnus Arctic foxes |
author_facet |
Angerbjörn, Anders Hersteinsson, Pall Tannerfeldt, Magnus |
author_sort |
Angerbjörn, Anders |
title |
Arctic foxes |
title_short |
Arctic foxes |
title_full |
Arctic foxes |
title_fullStr |
Arctic foxes |
title_full_unstemmed |
Arctic foxes |
title_sort |
arctic foxes |
publisher |
Oxford University PressOxford |
publishDate |
2004 |
url |
http://dx.doi.org/10.1093/acprof:oso/9780198515562.003.0008 https://academic.oup.com/book/chapter-pdf/44963821/book_8191_section_153725219.ag.pdf |
genre |
Arctic Fox Iceland |
genre_facet |
Arctic Fox Iceland |
op_source |
The Biology and Conservation of Wild Canids page 163-172 ISBN 0198515561 9780198515562 9780191705632 |
op_doi |
https://doi.org/10.1093/acprof:oso/9780198515562.003.0008 |
_version_ |
1810294643774980096 |