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Received July 12, 2001,Revised October 15, 2001, Accepted , Available online

Volume 14,2002,Pages 547-551

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Plant life form diversity and its direct gradientanalysis on a larger scale climate change gradient were tested,based on the data from Northeast China transect platform. Theresults showed that the species numbers, life form richness andlife form diversity were relative higher at the eastern forests andthe ecotone between typical vegetation, while those on the meadowgrasslands and typical steppes were lower. Although plant lifeforms can reflect the climate variations, life form diversity isnot consistent with the major global gradient along the NECT.

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