5CARMEL Y,KADMON R. Effects of grazing and topography on long-term vegetation changes in a Mediterranean ecosystem in Israel[J]. Plant Ecology, 1999,145(2) : 243-254.
6FLORINSKY I V,KURYAKOVA G A. Influence of topography on some vegetation cover properties[J]. Catena, 1996,27 (2):123-141.
7URBAN D L,MILLER C,HALPIN P N,et al. Forest gradient response in Sierran land-seapes: The physical template [J]. Landscape Ecology, 2000,15 (7) : 603 - 620.
8HOERWCH B, BRAUN G, SCHMIDT U. Relation between landform and vegetation in alpine regions of Wallis, Switzerland: A multiseale remote sensing and GIS approaeh[J]. Comput Environ Urban Sys, 2002,26(2) : 113-139.
9VAN DEN BERG M S,JOOSSE W,COOPS H. A statistical model predicting the occurrence and dynamics of submerged macrophytes in shallow lakes in the Netherlands[J]. Hydrobiologia,2003,506-509 : 611-623.
10CALEF M P,MCGUIRE A D,EPSTEIN H E,et al. Analysis of vegetation distribution in Interior Alaska and sensitivity to climate change using a logistic regression approach[J]. Journal of Biogeography, 2005,32 : 863-878.