When the pond turtle followed the reindeer: effect of the last extreme global warming event on the timing of faunal change in Northern Europe

作者: ROBERT S. SOMMER , UWE FRITZ , HEIKKI SEPPÄ , JONAS EKSTRÖM , ARNE PERSSON

DOI: 10.1111/J.1365-2486.2011.02388.X

关键词:

摘要: Faunal communities have been shaped in different ways by past climatic change. The impact of the termination last Glacial and onset present (Holocene) Interglacial on large-scale faunal shifts, extinction dynamics gene pools species are special interest natural sciences. A general pattern climate-triggered range expansion local vertebrate is known for Europe, shows that modern temperate zone main change took place mainly during Late (14 700-11 700 years ago) Early Holocene (11 700-9 100 ago). Based large datasets new radiocarbon data, we precise temporal climate-driven disappearance appearance reindeer pond turtle southern Sweden. These two significant climate indicators Quaternary biostratigraphy. Our data reveal disappeared from Sweden ca. 10 300 ago, whereas colonized area 9 860 with a 450-year gap between each species. This provides evidence sudden environmental turnover, causing replacement an arctic element thermophilic postglacial unique model case, allowing insights into turnover other vertebrates dramatic global warming event at Pleistocene-Holocene transition. (Less)

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