Fractions of variation explained by environmental and spatial variables at the 20-m cell size.

Notes: Fractions are the same with that in Fig. 2. top-unique = purely topographic; soil-unique = purely edaphic; top-soil = topographically structured edaphic; soil-space = spatially structured edaphic; top-space = spatially structured topographic; top-soil-space = spatially and topographically structured edaphic; top-all = [purely topographic]+[topographically structured edaphic]+[spatially structured topographic]+[spatially and topographically structured edaphic]; soil-all = [purely edaphic]+[topographically structured edaphic]+[spatially structured edaphic]+[spatially and topographically structured edaphic]. Values in the parentheses for fraction top-unique and soil-unique indicated adjusted R square values (Ra2) not significantly different from zero. CC = species distribution at the community level; Ca.ch = Castanopsis chinensis; Sc.su = Schima superba; En.ro = Engelhardtia roxburghiana; Sy.re = Syzygium rehderianum; Cr.kw = Craibiodendron kwangtungense; Ai.ca = Aidia canthioides; Cr.ch = Cryptocarya chinensis; Cr.co = Cryptocarya concinna; Ap.yu = Aporosa yunnanensis; Ar.qu = Ardisia quinquegona.