Patch characteristics of forest landscape element for Xiaokeng Small Watershed, Laoshan Nature Reserve, Anhui Province.

Journal of the Zhejiang Forestry College Pub Date : 2010-04-20 DOI:10.11833/J.ISSN.2095-0756.2010.02.005

Liu Xi-jun, Wu Zemin, Hu Qing-feng

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Abstract

In order to provide a theoretical basis for conservation and management of the forest landscape in Xiaokeng Small Watershed in Laoshan Nature Reserve，Anhui Province，the patch characteristics of forest landscape element were analyzed. The results showed that a mixed evergreen and deciduous broadleaf forest with an area of 66.5% and perimeter of 50.7% of the total research area was dominant. Phyllostachys pubescens forest，Cunninghamia lanceolata forest and Camellia sinensis plantation comprised 25.7% of the total area and 37.9% of the perimeter. In Xiaokeng，many small patches with a relatively fine grain structure dominated the forest landscape element. The area，perimeter，and number of patches of different forest landscape element were very uneven；the distribution trend of perimeter of different forest landscape element is similar to that of area，while the distribution of the number of patches has no obvious regularity，and the order of the numbers of patches，area，perimeter is very different； the patch shape of forest landscape elements is relatively simple. Patch characteristics indicated that the degree of fragmentation for the natural broadleaf forest was lower than for artificial landscapes of Phyllostachys pubescens，Cunninghamia lanceolata，and Camellia sinensis. Therefore，to maintain sustainable development in the region，and especially to enhance protection for the broadleaf forest matrix，intense human activity and tourism should be reduced. ［Ch，6 tab. 20 ref.］

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安徽崂山自然保护区小坑小流域森林景观要素斑块特征

为了给安徽崂山自然保护区小坑小流域森林景观的保护与管理提供理论依据，对森林景观要素的斑块特征进行了分析。结果表明:常绿与落叶混交林占研究面积的66.5%，周长占研究面积的50.7%;毛竹林、杉木林和茶树人工林分别占总面积的25.7%和周长的37.9%。在小坑地区，许多颗粒结构相对细小的小斑块主导了森林景观元素。不同森林景观要素的面积、周长、斑块数分布极不均匀;不同森林景观要素的周长分布趋势与面积分布趋势相似，斑块数分布无明显规律性，斑块数、面积、周长顺序差异较大;森林景观要素斑块形状较为单一。斑块特征表明，天然阔叶林的破碎化程度低于毛竹、杉木和山茶的人工景观。因此，为了保持该地区的可持续发展，特别是加强对阔叶林基质的保护，应减少强烈的人类活动和旅游。(Ch, 6个选项卡。20 ref。)

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Journal of the Zhejiang Forestry College

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