Data from: Inbreeding depression in a critically endangered carnivore
Harmful effects arising from matings between relatives (inbreeding) is a long-standing observation that is well founded in theory. Empirical evidence for inbreeding depression in natural populations is however rare because of the challenges of assembling pedigrees supplemented with fitness traits. W...
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ftzenodo:oai:zenodo.org:4935615 2024-09-15T17:52:36+00:00 Data from: Inbreeding depression in a critically endangered carnivore Norén, Karin Godoy, Erika Dalén, Love Meijer, Tomas Angerbjörn, Anders 2016-04-28 https://doi.org/10.5061/dryad.6g8t8 unknown Zenodo https://doi.org/10.1111/mec.13674 https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.6g8t8 oai:zenodo.org:4935615 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode life-history extinction vortex info:eu-repo/semantics/other 2016 ftzenodo https://doi.org/10.5061/dryad.6g8t810.1111/mec.13674 2024-07-26T17:44:22Z Harmful effects arising from matings between relatives (inbreeding) is a long-standing observation that is well founded in theory. Empirical evidence for inbreeding depression in natural populations is however rare because of the challenges of assembling pedigrees supplemented with fitness traits. We examined the occurrence of inbreeding and subsequent inbreeding depression using a unique data set containing a genetically verified pedigree with individual fitness traits for a critically endangered arctic fox (Vulpes lagopus) population. The study covered nine years and was comprised of 33 litters with a total of 205 individuals. We recorded that the present population was founded by only five individuals. Over the study period, the population exhibited a tenfold increase in average inbreeding coefficient with a final level corresponding to half-sib matings. Inbreeding mainly occurred between cousins, but we also observed two cases of full-sib matings. The pedigree data demonstrated clear evidence of inbreeding depression on traditional fitness traits where inbred individuals displayed reduced survival and reproduction. Fitness traits were however differently affected by the fluctuating resource abundande. Inbred individuals born at low-quality years displayed reduced first-year survival, while inbred individuals born at high-quality years were less likely to reproduce. The documentation of inbreeding depression in fundamental fitness traits suggests that inbreeding depression can limit population recovery. Introducing new genetic material to promote a genetic rescue effect may thus be necessary for population long-term persistence. Pedigree and life history data Submitted to Dryad.xlsx Other/Unknown Material Arctic Fox Vulpes lagopus Zenodo |
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life-history extinction vortex |
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life-history extinction vortex Norén, Karin Godoy, Erika Dalén, Love Meijer, Tomas Angerbjörn, Anders Data from: Inbreeding depression in a critically endangered carnivore |
topic_facet |
life-history extinction vortex |
description |
Harmful effects arising from matings between relatives (inbreeding) is a long-standing observation that is well founded in theory. Empirical evidence for inbreeding depression in natural populations is however rare because of the challenges of assembling pedigrees supplemented with fitness traits. We examined the occurrence of inbreeding and subsequent inbreeding depression using a unique data set containing a genetically verified pedigree with individual fitness traits for a critically endangered arctic fox (Vulpes lagopus) population. The study covered nine years and was comprised of 33 litters with a total of 205 individuals. We recorded that the present population was founded by only five individuals. Over the study period, the population exhibited a tenfold increase in average inbreeding coefficient with a final level corresponding to half-sib matings. Inbreeding mainly occurred between cousins, but we also observed two cases of full-sib matings. The pedigree data demonstrated clear evidence of inbreeding depression on traditional fitness traits where inbred individuals displayed reduced survival and reproduction. Fitness traits were however differently affected by the fluctuating resource abundande. Inbred individuals born at low-quality years displayed reduced first-year survival, while inbred individuals born at high-quality years were less likely to reproduce. The documentation of inbreeding depression in fundamental fitness traits suggests that inbreeding depression can limit population recovery. Introducing new genetic material to promote a genetic rescue effect may thus be necessary for population long-term persistence. Pedigree and life history data Submitted to Dryad.xlsx |
format |
Other/Unknown Material |
author |
Norén, Karin Godoy, Erika Dalén, Love Meijer, Tomas Angerbjörn, Anders |
author_facet |
Norén, Karin Godoy, Erika Dalén, Love Meijer, Tomas Angerbjörn, Anders |
author_sort |
Norén, Karin |
title |
Data from: Inbreeding depression in a critically endangered carnivore |
title_short |
Data from: Inbreeding depression in a critically endangered carnivore |
title_full |
Data from: Inbreeding depression in a critically endangered carnivore |
title_fullStr |
Data from: Inbreeding depression in a critically endangered carnivore |
title_full_unstemmed |
Data from: Inbreeding depression in a critically endangered carnivore |
title_sort |
data from: inbreeding depression in a critically endangered carnivore |
publisher |
Zenodo |
publishDate |
2016 |
url |
https://doi.org/10.5061/dryad.6g8t8 |
genre |
Arctic Fox Vulpes lagopus |
genre_facet |
Arctic Fox Vulpes lagopus |
op_relation |
https://doi.org/10.1111/mec.13674 https://zenodo.org/communities/dryad https://doi.org/10.5061/dryad.6g8t8 oai:zenodo.org:4935615 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.6g8t810.1111/mec.13674 |
_version_ |
1810294660638179328 |