期刊
QUATERNARY SCIENCE REVIEWS
卷 90, 期 -, 页码 183-198出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quascirev.2014.03.002
关键词
Corylus; Early Holocene; Preboreal oscillation; Rammelbeek phase; Quantitative vegetation reconstruction
资金
- German Science Foundation [JO 332/10-1]
The warming at the Younger Dryas Holocene transition (similar to 11,600 cal. BP) triggered the rearrangement of vegetation across Europe. To better understand that response, we analysed both an extended fossil pollen data set and robust present-day site parameters from NE Germany in a data model comparison approach. This approach allowed to quantify past plant abundances in sub-regional landscape patterns, as defined by soil types and relief. Betula was the first tree taxon to expand from scattered stands that already existed during the Younger Dryas. The major tree taxa Betula and Pinus fully established after 200 400 years as largely separated stands of Pinus on well drained sandy and Betula on fertile morainic soils. Corylus started to spread after 11,200 cal. BP, yet the final expansion was delayed until 10,800 cal. BP. Corylus established on gleyic soils, from which it largely expelled Betula. Throughout the first two millennia of the Holocene, open grasslands existed on fine grained soils, where seasonal dryness prevented the establishment of deciduous trees. (C) 2014 Elsevier Ltd. All rights reserved.
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