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Spatial-temporal analysis of forest landscape in Yichang City
Author(s): XIAO Huashun~1, ZENG Siqi~1, LIU Xianxin~2(1.centralsouthforestryuniversity, ZHUZHOU 412006, china, 2.FORESTRY Bureauofyichangcity, YICHANG 443000, china)
Pages: 35-
38
Year: 2003
Issue:
4
Journal: Hunan Forestry Science & Technology
Keyword: 森林景观; 森林群落; 动态分析; 宜昌;
Abstract: 建立宜昌近20年来森林景观时空动态变化的指标体系。在时间上,宜昌森林景观的森林覆盖率、林地利用率、森林蓄积量大幅度增加,然而森林演替缓慢、林龄结构不合理;在空间分布上,通过回归模型的多期拟合分析,森林景观生物量随海拔、坡度、坡位变化明显,并且出现生物量峰值有规律的转移,而出现的不规律变化多是林业外部条件突变引起的。
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