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Consistent scaling ...
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Niskanen, Alina K.Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway; Univ Oulu, Ecol & Genet Res Unit, Oulu 90014, Finland
(författare)
Consistent scaling of inbreeding depression in space and time in a house sparrow metapopulation
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-06-08
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Proceedings of the National Academy of Sciences,2020
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-420112
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-420112URI
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https://doi.org/10.1073/pnas.1909599117DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Inbreeding may increase the extinction risk of small populations. Yet, studies using modern genomic tools to investigate inbreeding depression in nature have been limited to single populations, and little is known about the dynamics of inbreeding depression in subdivided populations over time. Natural populations often experience different environmental conditions and differ in demographic history and genetic composition, characteristics that can affect the severity of inbreeding depression. We utilized extensive long-term data on more than 3,100 individuals from eight islands in an insular house sparrow metapopulation to examine the generality of inbreeding effects. Using genomic estimates of realized inbreeding, we discovered that inbred individuals had lower survival probabilities and produced fewer recruiting offspring than noninbred individuals. Inbreeding depression, measured as the decline in fitness-related traits per unit inbreeding, did not vary appreciably among populations or with time. As a consequence, populations with more resident inbreeding (due to their demographic history) paid a higher total fitness cost, evidenced by a larger variance in fitness explained by inbreeding within these populations. Our results are in contrast to the idea that effects of inbreeding generally depend on ecological factors and genetic differences among populations, and expand the understanding of inbreeding depression in natural subdivided populations.
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Billing, Anna M.Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Holand, HåkonNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Hagen, Ingerid J.Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway; Norwegian Inst Nat Res, Dept Aquat Biodivers, N-7485 Trondheim, Norway
(författare)
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Araya-Ajoy, Yimen G.Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Husby, Arild,Associate Senior LecturerUppsala universitet,Evolutionsbiologi,Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway(Swepub:uu)arihu528
(författare)
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Rønning, BerntNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Myhre, Ane MarleneNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Ranke, Peter SjolteNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Kvalnes, ThomasUppsala universitet,Evolutionsbiologi,Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway(Swepub:uu)thokv473
(författare)
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Pärn, HenrikNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Ringsby, Thor HaraldNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Lien, SigbjørnNorwegian Univ Life Sci, Dept Anim & Aquacultural Sci, Ctr Integrat Genet, N-1433 As, Norway
(författare)
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Sæther, Bernt-ErikNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Muff, StefanieNorwegian Univ Sci & Technol, Dept Math Sci, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Jensen, HenrikNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(författare)
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Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway; Univ Oulu, Ecol & Genet Res Unit, Oulu 90014, FinlandNorwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Proceedings of the National Academy of Sciences of the United States of America: Proceedings of the National Academy of Sciences117:25, s. 14584-145920027-84241091-6490
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Niskanen, Alina ...
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Billing, Anna M.
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Holand, Håkon
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Hagen, Ingerid J ...
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Araya-Ajoy, Yime ...
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Husby, Arild, As ...
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visa fler...
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Rønning, Bernt
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Myhre, Ane Marle ...
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Ranke, Peter Sjo ...
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Kvalnes, Thomas
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Pärn, Henrik
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Ringsby, Thor Ha ...
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Lien, Sigbjørn
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Sæther, Bernt-Er ...
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Muff, Stefanie
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Jensen, Henrik
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visa färre...
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