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| Description
| - Two sibling species of the rodent genus Praomys occur in West African forests. By sampling across their geographical ranges, we test the hypothesis that climatic oscillations during the Quaternary made an impact on the observed pattern of cytochrome b sequence variation. We show that their phylogeographic histories are dissimilar, which could be related to their distinct ecological requirements. The genetic pattern of P. tullbergi fits the refuge hypothesis, indicating that a very small number of populations survived in distinct forest blocks during the arid phases, then expanded again with forest recovery. In contrast, a number of populations of P. rostratus appear to have survived the dry periods in more fragmented forest habitats, with varying levels of gene flow between them. In addition, historical variations of the West African hydrographic network could also have contributed to the pattern of genetic differentiation observed in both species.
- Two sibling species of the rodent genus Praomys occur in West African forests. By sampling across their geographical ranges, we test the hypothesis that climatic oscillations during the Quaternary made an impact on the observed pattern of cytochrome b sequence variation. We show that their phylogeographic histories are dissimilar, which could be related to their distinct ecological requirements. The genetic pattern of P. tullbergi fits the refuge hypothesis, indicating that a very small number of populations survived in distinct forest blocks during the arid phases, then expanded again with forest recovery. In contrast, a number of populations of P. rostratus appear to have survived the dry periods in more fragmented forest habitats, with varying levels of gene flow between them. In addition, historical variations of the West African hydrographic network could also have contributed to the pattern of genetic differentiation observed in both species. (en)
- V lesích západní Afriky se vyskytují dva druhy hlodavců rodu Praomys. Analýzou mtDNA jsme testovali, jakým způsobem se klimatické oscilace v minulosti projevily na genetické struktuře jejich populací. Prokázali jsme, že oscilace v rozsahu lesa v průběhu Pleistocénu měly výrazný vliv na současnou genetickou strukturu obou druhů, i když u každého z nich zřetelně odlišný. Genetická struktura P. tullbergi podporuje tzv. %22refugium%22 hypotézu, kdy v období sucha přežil pouze malý podíl všech populací a tyto populace posléze expandovaly. Populace P. rostratus přežily ve větších počtech i v aridnějších oblastech a genetická struktura tohoto druhu je mnohem více komplikovaná. Navíc se zdá, že změny hydrografické sítě měly rovněž výrazný vliv na genetickou diferenciaci obou druhů. (cs)
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| Title
| - Comparative phylogeography of two sibling species of forest-dwelling rodent (Praomys rostratus and P. tullbergi) in West Africa: different reactions to past forest fragmentation
- Srovnávací fylogeografie dvou sesterských druhů lesních hlodavců (Praomys rostratus a P. tullbergi) v západní Africe: rozdílné reakce na historickou fragmentaci lesa (cs)
- Comparative phylogeography of two sibling species of forest-dwelling rodent (Praomys rostratus and P. tullbergi) in West Africa: different reactions to past forest fragmentation (en)
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| skos:prefLabel
| - Comparative phylogeography of two sibling species of forest-dwelling rodent (Praomys rostratus and P. tullbergi) in West Africa: different reactions to past forest fragmentation
- Srovnávací fylogeografie dvou sesterských druhů lesních hlodavců (Praomys rostratus a P. tullbergi) v západní Africe: rozdílné reakce na historickou fragmentaci lesa (cs)
- Comparative phylogeography of two sibling species of forest-dwelling rodent (Praomys rostratus and P. tullbergi) in West Africa: different reactions to past forest fragmentation (en)
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| skos:notation
| - RIV/68081766:_____/08:00315014!RIV09-AV0-68081766
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA6093404), Z(AV0Z60930519)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68081766:_____/08:00315014
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Africa; cytochrome b; phylogeography (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Bryja, Josef
- Konečný, Adam
- Couloux, A.
- Granjon, L.
- Nicolas, V.
- Colyn, M.
- Lalis, A.
- Akpatou, B.
- Denys, C.
- Lecompte, E.
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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