【摘要】 为探讨“三生”用地转化规律及其对生态环境的影响，基于2000、2010、2020年三期土地利用现状图，构建巢湖流域“三生”用地分类体系，运用ArcGIS10.5、Fragstats4.2等软件，采取土地利用转移矩阵和景观格局指数法，对其“三生”用地转型变化与景观破碎化程度进行分析。结论如下：（1）“三生”用地结构演化和分布差异明显，生产用地占比最大，同时生态用地增长主要来源为生产用地。（2）整体以生产用地向生活用地转化为主，生态用地和生产用地交互转化为辅。（3）景观破碎度呈现倒U型演化趋势，2000—2010年斑块数量、斑块密度、最大斑块所占比例减少，景观破碎度较小；2010—2020年，巢湖流域的香农多样性指数、香农均匀度指数和聚集度指数增加，景观异质性增强，生态破碎度加大。更多还原

【Abstract】 In order to explore the transformation law of“production-living-ecological”land and its impact on the ecological environment,the classification system of“production-living-ecological”land in Chaohu Lake Basin was constructed based on the land use status map of 2000,2010 and 2020. ArcGIS10.5,Fragstats4.2 and other software were used to analyze the transformation change and landscape fragmentation degree of“production-living-ecological”land by using the land use transfer matrix and landscape pattern index method. The conclusions are as follows :(1) There are significant differences in the evolution and distribution of“production-living-ecological”land structure,and the proportion of production land is the largest. At the same time,the main source of ecological land growth is production land.(2) The overall transformation from production land to living land occupies the main part,supplemented by the interactive transformation between ecological land and production land.(3)The landscape fragmentation shows an inverted U-shaped evolution trend. From 2000 to 2010,the number of patches,patch density and the proportion of the largest patches are reduced,and the landscape fragmentation is small. Shannon diversity index,Shannon evenness index and Shannon aggregation index increased,and landscape heterogeneity and ecological fragmentation increased in Chaohu lake basin from 2010 to 2020.更多还原