The population structure and dynamics of Castanopsis eyrei in the evergreen broad-leaved forest on the Tiantai Mountain of Zhejiang Province were studied by means of spatial sere substituting for time sere. The result...The population structure and dynamics of Castanopsis eyrei in the evergreen broad-leaved forest on the Tiantai Mountain of Zhejiang Province were studied by means of spatial sere substituting for time sere. The results show: the shapes of size-class distribution diagram in various plots of Castanopsis eyrei population are basically similar; the population survival cures are of remarkable linear; the population age structure is stable. The population density of Castanopsis eyrei is reduced with its diameter class becoming larger, and the relevant pattern between density and diameter class is: D= 8.5178 ×104A-1.7497. The distribution patterns in the population plots are indicative of clump. The distribution patterns of seedlings, treelets and saplings in various plots are of clump;medium-sized trees are of clump or possion; big trees are of possion.展开更多
文摘The population structure and dynamics of Castanopsis eyrei in the evergreen broad-leaved forest on the Tiantai Mountain of Zhejiang Province were studied by means of spatial sere substituting for time sere. The results show: the shapes of size-class distribution diagram in various plots of Castanopsis eyrei population are basically similar; the population survival cures are of remarkable linear; the population age structure is stable. The population density of Castanopsis eyrei is reduced with its diameter class becoming larger, and the relevant pattern between density and diameter class is: D= 8.5178 ×104A-1.7497. The distribution patterns in the population plots are indicative of clump. The distribution patterns of seedlings, treelets and saplings in various plots are of clump;medium-sized trees are of clump or possion; big trees are of possion.
