期刊
PLANT BIOSYSTEMS
卷 139, 期 2, 页码 114-126出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/11263500500197858
关键词
Mediterranean ecosystems; palynology; palaeoclimates; human impact; review
Pollen and plant macrofossil records from a selection of sites in Spain, France and Italy are used to explore the origin and the development of die Mediterranean vegetation. The role of evergreen and surnmergreen taxa is discussed. The expansion of sclerophyllous trees during the Pleistocene interglacials is well correlated with the orbital forcing. During the Holocene, the large number of data illustrates latitudinal and longitudinal differences in vegetation dynamics. Multidisciplinary studies identify short terms climatic fluctuations. The debate is still open between those who attribute an increase of sclerophyllous forests during the late Holocene to a trend toward aridity and those who consider this dynamic as human-induced.
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