Journal
JOURNAL OF ARID ENVIRONMENTS
Volume 63, Issue 2, Pages 458-474Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jaridenv.2005.03.027
Keywords
abandoned croplands; plant community succession; recovery of vegetation; restoration ecology; species diversity; species succession; western Shanxi
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Data were collected simultaneously at different succession stages, and were analysed using the quantitative classification method (TWINSPAN) and the ordination technique (DCA). The succession series of plant communities from abandoned croplands of loess soils was as follows: Assoc. Ixeris chinensis var. versicolor + Setaria viridis -> Assoc. Arlemisia spp. -> Assoc. Artemisia lavandulaefolia + Elymus dahuricus -> Assoc. Elymus dahuricus + Poa annua + Artemisia spp. -> Assoc. Hippophae rhamnoides -> Assoc. Pinus tabulaeformis -> Assoc. Quercus liaotungensis -> Assoc. Larix principis-rupprechtii. This established a model of the natural recovery of vegetation on abandoned croplands in the Loess Plateau. The structure, composition and life-forms changed significantly during succession. Six indices of species diversity were used to analyse changes in the richness, evenness and heterogeneity of species during the succession process. As the succession progressed, the richness increased significantly, the evenness decreased slightly and the heterogeneity increased. (c) 2005 Elsevier Ltd. All rights reserved.
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