NDLI: β-diversity patterns of plant community in fragmented habitat in a degenerated meadow in Songnen Plain, China

Content Provider	Springer Nature Link
Author	Han, Dayong Li, Haiyan Yang, Yunfei
Copyright Year	2009
Abstract	A number of isolated islands of Leymus chinensis + herbosa community were investigated in fragmented habitat islands, by Braun-Blanquet field survey approach, in a degenerated meadow in the Songnen Plain, China in 2007. These islands were classified as large, medium, and small scales on the basis of the island area (100–1000m$^{2}$, large island; 50–100m$^{2}$, middle island; 10–50m$^{2}$, small island). Each scale of the investigation involved eight islands. The responses of β-diversity patterns of plant taxon to the habitat fragmentation at local community and metacommunity levels were analyzed on different scales of 24 isolated islands. The results indicated that at the local community level, there were 57 species belonging to 20 families and 49 genera in large islands, 49 species belonging to 16 families and 40 genera in middle islands, and 27 species belonging to eight families and 23 genera in small islands. β-diversity indexes for species, genus and family in large, middle, and small islands varied greatly, and the highest value of the indexes was not noted in the largest island. However, the average of the data obtained at the three scales showed that across large islands, Whittaker indexes were low and Bray-Curtis similarity indexes were high, while across small islands, Whittaker indexes were high and Bray-Curtis similarity indexes were low. At the metacommunity level, Whittaker indexes for species and genus showed a great significantly negative double logarithmic correlation (p<0.01) with the island area, whereas the Bray-Curtis indexes for species, genus and family showed a great significantly positive double logarithmic correlation (p<0.01) with the island area. At both local community and metacommunity levels, turnovers of species and genus could respond more sensitively to spatial changes of plant diversity patterns than that of family. Hence, the species and the genus could be used for the analysis of β-diversity patterns of plant community.
Starting Page	375
Ending Page	381
Page Count	7
File Format	PDF
ISSN	10020063
Journal	Chinese Geographical Science
Volume Number	19
Issue Number	4
e-ISSN	1993064X
Language	English
Publisher	SP Science Press
Publisher Date	2009-10-08
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	habitat fragmentation local community metacommunity plant taxon β-diversity Geography (general)
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Geography, Planning and Development

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