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The loss of biodive...
The loss of biodiversity in Madagascar is contemporaneous with major demographic events
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- Alva, Omar (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Leroy, Anais (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Heiske, Margit (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Pereda-Loth, Veronica (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Tisseyre, Lenka (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Boland, Anne (författare)
- Ctr Natl Genotypage, Inst Genom, Commissariat Energie Atom, F-91000 Evry, France.
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- Deleuze, Jean-Francois (författare)
- Ctr Natl Genotypage, Inst Genom, Commissariat Energie Atom, F-91000 Evry, France.
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- Rocha, Jorge (författare)
- Univ Porto, InBIO Lab Associado, Ctr Invest Biodiversidade & Recursos, CIBIO, Campus Vairao, P-4485661 Vairao, Portugal.;Univ Porto, Fac Ciencias, Dept Biol, P-4099002 Porto, Portugal.;CIBIO, BIOPOLIS Program Genom Biodivers & Land Planning, Campus Vairao, P-4485661 Vairao, Portugal.
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- Schlebusch, Carina, 1977- (författare)
- Uppsala universitet,Människans evolution
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- Fortes-Lima, Cesar A., PhD, 1985- (författare)
- Uppsala universitet,Människans evolution
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- Stoneking, Mark (författare)
- Max Planck Inst Evolutionary Anthropol, Dept Evolutionary Genet, D-04103 Leipzig, Germany.;Univ Lyon 1, Lab Biometrie & Biol Evolut, CNRS, UMR 5558, Villeurbanne, France.
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- Radimilahy, Chantal (författare)
- Univ Antananarivo, Musee Art & Archeol, Antananarivo, Madagascar.
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- Rakotoarisoa, Jean-Aime (författare)
- Univ Antananarivo, Musee Art & Archeol, Antananarivo, Madagascar.
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- Letellier, Thierry (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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- Pierron, Denis (författare)
- Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France.
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Univ Toulouse III, EVOLSAN Fac Chirurg Dent, Equipe Med Evolut, Toulouse, France Ctr Natl Genotypage, Inst Genom, Commissariat Energie Atom, F-91000 Evry, France. (creator_code:org_t)
- Elsevier, 2022
- 2022
- Engelska.
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Ingår i: Current Biology. - : Elsevier. - 0960-9822 .- 1879-0445. ; 32:23, s. 4997-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Only 400 km off the coast of East Africa, the island of Madagascar is one of the last large land masses to have been colonized by humans. While many questions surround the human occupation of Madagascar, recent studies raise the question of human impact on endemic biodiversity and landscape transformation. Previous genetic and linguistic analyses have shown that the Malagasy population has emerged from an admixture that happened during the last millennium, between Bantu-speaking African populations and Austronesian-speaking Asian populations. By studying the sharing of chromosome segments between individuals (IBD determination), local ancestry information, and simulated genetic data, we inferred that the Malagasy ancestral Asian population was isolated for more than 1,000 years with an effective size of just a few hundred individuals. This isolation ended around 1,000 years before present (BP) by admixture with a small African population. Around the admixture time, there was a rapid demographic expansion due to intrinsic population growth of the newly admixed population, which coincides with extensive changes in Madagascar's landscape and the extinction of all endemic large- bodied vertebrates. Therefore, our approach can provide new insights into past human demography and associated impacts on ecosystems.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
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Alva, Omar
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Leroy, Anais
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Heiske, Margit
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Pereda-Loth, Ver ...
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Tisseyre, Lenka
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Boland, Anne
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Deleuze, Jean-Fr ...
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Rocha, Jorge
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Schlebusch, Cari ...
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Fortes-Lima, Ces ...
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Stoneking, Mark
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Radimilahy, Chan ...
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Rakotoarisoa, Je ...
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Letellier, Thier ...
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Pierron, Denis
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Uppsala universitet