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湖南省绥宁县位于北纬26°16′-27°08’,东经109°49′-110°32’是一个九山半水半分田的林业重点县。全县森林复盖率为67.5%。气候温和、雨量充沛、生物资源丰富,植物种类达102科269属700余种,其中有闻名于世的长苞铁杉群落和其它10多种珍贵树种,构成了独具特色的森林生态系统,誉有树种基因库和生态因库之称。为了弄清这些森林气候与林木生长的关系,以求达到
Suining County, Hunan Province, is located at latitude 26 ° 16’-27 ° 08 ’north and longitude 109 ° 49’-110 ° 32’ east longitude. The county’s forest coverage rate was 67.5%. A mild climate, abundant rainfall, abundant biological resources, plant species up to 102 families and 269 genera and more than 700 species, of which the world-renowned Bracts shui hemlock community and 10 other precious species, constitute a unique forest ecosystem, Fame tree species genebank and ecological because of the library said. In order to understand the relationship between these forest climate and the growth of trees, in order to achieve