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当前位置: 首页 > 文章 > 唐家河自然保护区植被景观空间格局分析 中南林业科技大学学报 2008,28 (1) 108-112
Position: Home > Articles > Spatial Pattern Analysis of the Vegetation Landscape In Tangjiahe Nature Reserve Journal of Central South University of Forestry & Technology 2008,28 (1) 108-112

唐家河自然保护区植被景观空间格局分析

作  者：
黄尤优;刘守江;张鹤;胥晓
单  位：
西华师范大学环境科学与生物多样性保护重点实验室;西华师范大学国土资源学院
关键词：
植物学;空间格局;植被景观;景观指数;唐家河自然保护区
摘  要：
利用GIS技术和景观分析软件Fragstats,从景观指数方面定量分析了龙门山系唐家河自然保护区植被景观的空间格局特征.结果表明:该保护区植被状况良好,森林景观以阔叶林和针叶林为主,其分布面积占总面积的91.65%;常绿落叶阔叶混交林是整个区域的基质,与针阔混交林、落叶阔叶林和亚高山针叶林一起构成该保护区的4个主要植被景观要素,其它植被类型镶嵌其间;高山灌丛的分布面积最小,斑块数量最少,异质性最低,景观地位最弱.与其它研究区域相比,该保护区的森林植被景观具有类型丰富、多样性高、优势度大、破碎度低的总体植被景观特征.
译  名：
Spatial Pattern Analysis of the Vegetation Landscape In Tangjiahe Nature Reserve
作  者：
HUANG You-you~a,LIU Shou-jiang~b,ZHANG He~a,XU Xiao~a (a.Key Laboratory of Environmental and Biodiversity Conservation;b.Land and Resources College,China West Normal University,Nanchong 637002,Sichuan,China)
关键词：
botany;spatial pattern;vegetation landscape;landscape index;Tangjiahe Nature Reserve
摘  要：
Based on the vegetation map,the spatial pattern of vegetation landscape of Tangjiahe Nature Reserve in Longmen Mountains was analyzed by using GIS and Fragstats.The results show that the situation of vegetation development is good in the nature reserve,and the broad-leaved forest and the coniferous forest are main two compositions of the forest landscape due to their bigger total distribution area(91.65%);that evergreen broad-leaved and deciduous broad-leaved mixed forest is the background of the area because of its biggest distribution area inlaid with other vegetation patches;and that together with the coniferous and broad-leaved mixed forest,the deciduous broad-leaved forest and the sub-alpine coniferous forest,evergreen broad-leaved and deciduous broad-leaved mixed forest make up the four dominating vegetation landscape elements in the reserve,which are of the lowest heterogeneity degree for its smallest area,lowest patch number and less disintegration.Compared with other reserves,high species richness,dominance and diversity,typical dominant vegetation and low level of fragmentation are found to be the main features of the vegetation landscape in this reserve.

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