气候变化领域集成服务门户(CCPortal): 1.36 million years of Mediterranean forest refugium dynamics in response to glacial-interglacial cycle strength

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DOI	10.1073/pnas.2026111118
	1.36 million years of Mediterranean forest refugium dynamics in response to glacial-interglacial cycle strength
	Donders T.; Panagiotopoulos K.; Koutsodendris A.; Bertini A.; Mercuri A.M.; Masi A.; Combourieu-Nebout N.; Joannin S.; Kouli K.; Kousis I.; Peyron O.; Torri P.; Florenzano A.; Francke A.; Wagner B.; Sadori L.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:34
英文摘要	The sediment record from Lake Ohrid (Southwestern Balkans) represents the longest continuous lake archive in Europe, extending back to 1.36 Ma. We reconstruct the vegetation history based on pollen analysis of the DEEP core to reveal changes in vegetation cover and forest diversity during glacial-interglacial (G-IG) cycles and early basin development. The earliest lake phase saw a significantly different composition rich in relict tree taxa and few herbs. Subsequent establishment of a permanent steppic herb association around 1.2 Ma implies a threshold response to changes in moisture availability and temperature and gradual adjustment of the basin morphology. A change in the character of G-IG cycles during the Early-Middle Pleistocene Transition is reflected in the record by reorganization of the vegetation from obliquity- to eccentricity-paced cycles. Based on a quantitative analysis of tree taxa richness, the first large-scale decline in tree diversity occurred around 0.94 Ma. Subsequent variations in tree richness were largely driven by the amplitude and duration of G-IG cycles. Significant tree richness declines occurred in periods with abundant dry herb associations, pointing to aridity affecting tree population survival. Assessment of long-term legacy effects between global climate and regional vegetation change reveals a significant influence of cool interglacial conditions on subsequent glacial vegetation composition and diversity. This effect is contrary to observations at high latitudes, where glacial intensity is known to control subsequent interglacial vegetation, and the evidence demonstrates that the Lake Ohrid catchment functioned as a refugium for both thermophilous and temperate tree species. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Glacial-interglacial cycles; Pleistocene; Pollen; Tree diversity; Vegetation dynamics
语种	英语
scopus关键词	catchment area (hydrology); Europe; forest; global climate; herb; information center; interglacial; latitude; Middle Pleistocene; moisture; nonhuman; pollen analysis; quantitative analysis; refugium; review; sediment; vegetation dynamics; vegetation history; article
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/238424
作者单位	Palaeoecology, Department of Physical Geography, Utrecht University, Utrecht, 3584 CB, Netherlands; Institute of Geology and Mineralogy, University of Cologne, Köln, 50674, Germany; Institute of Earth Sciences, Heidelberg University, Heidelberg, D-69120, Germany; Dipartimento di Scienze della Terra, Università di Firenze, Firenze, 50121, Italy; Laboratorio di Palinologia e Paleobotanica, Dipartimento di Scienze della Vita, Università di Modena e Reggio Emilia, Modena, 41125, Italy; Dipartimento di Biologia Ambientale, Università di Roma La Sapienza, UMR 7194-HNHP, Rome, Italy; Centre National de la Recherche Scientifique, Departement Homme et Environnement, Muséum National d'Histoire Naturelle, Institut de Paléontologie Humaine, Paris, F75013, France; Institut des Sciences de l'Evolution de Montpellier, Université de Montpellier, CNRS, Ecole Pratique des Hautes études, Montpellier, 34090, France; Faculty of Geology and Geoenvironment, National and Kapodistrian University of Athens, Athens, 15784, Greece; ...
推荐引用方式 GB/T 7714	Donders T.,Panagiotopoulos K.,Koutsodendris A.,et al. 1.36 million years of Mediterranean forest refugium dynamics in response to glacial-interglacial cycle strength[J],2021,118(34).
APA	Donders T..,Panagiotopoulos K..,Koutsodendris A..,Bertini A..,Mercuri A.M..,...&Sadori L..(2021).1.36 million years of Mediterranean forest refugium dynamics in response to glacial-interglacial cycle strength.Proceedings of the National Academy of Sciences of the United States of America,118(34).
MLA	Donders T.,et al."1.36 million years of Mediterranean forest refugium dynamics in response to glacial-interglacial cycle strength".Proceedings of the National Academy of Sciences of the United States of America 118.34(2021).