贵州林业发展区划数量化划分研究
Quantitative classification of forestry development compartment of Guizhou Province
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摘要:
以贵州省的地形、气候、植被等自然条件和生态状况，以及社会经济状况为基础，通过对影响贵州省林业发展的20项因子98个县级单位进行主成分分析，并采用最短距离的聚类方法，对这98个县级单位进行聚类分析。结果表明：乔木林面积、农民人均纯收入、年均无霜期、有林地每公顷蓄积、年均日照时数和生态区位等级因子表现突出；98个县级单位可聚为9类。研究结果可为贵州省林业发展区划的因子选择和全省的林业发展区划提供参考依据。
Abstract:Based on the data of natural conditions, ecological conditions and socio-economic conditions of Guizhou Province, 20 factors and 98 county-level units which affected forestry development of Guizhou were analyzed with the methods of principal component ananlysis and hierarchical cluster ananlysis. The results show that the main factors affecting the forestry development of Guizhou were area of arbor-land, per capita net income of rural residents, mean annual frost-free period, volume of forest stock per hectare, mean annual sunshine hours and eco-regional rank. The 98 units of Guizhou were divided into nine regions. The results should provide references to the selection of factors and forestry development compartment of Guizhou.
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期刊类型引用(7)
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其他类型引用(3)
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