【摘要】 为平塘县森林质量提升和社会经济发展提供科学依据,利用2005年和2015年贵州省平塘县森林资源的二类调查数据,研究其10年森林资源的动态变化特征。研究表明:2005-2015年平塘县森林面积整体呈增加趋势,尤其是灌木林地,2015年较2005年增加36 332.45hm~2;森林郁闭度小幅增加;林地类型为水源涵养林、水土保持林、一般用材林、薪炭林和果树林5个亚类,以水土保持林为主;树龄结构以幼龄林为主,森林结构的稳定性较差。平塘县大部分森林必须实行定期管护,以提高森林群落的稳定性。更多还原

【Abstract】 In order to provide scientific basis for the improvement of forest quality and the development of social economy in Pingtang County,the dynamic changes of forest resources in the past 10 years were studied by using the data of the second-class survey of 2005 and 2015 in Pingtang County,Guizhou Province.The results showed that the forest area of Pingtang County showed an increasing trend from~2005 to 2015,especially shrubbery land,which increased by 36 332.45 hm~2 in 2015 compared with 2005;Forest canopy density increased slightly;forest land types were water conservation forest,soil and water conservation forest,general timber forest,firewood forest and fruit forest,and soil and water conservation forest were the main sub-types;Tree age structure was young forest.The stability of forest structure was poor.Most forests in Pingtang County must be regularly managed to improve the stability of forest communities.更多还原