【摘要】 基于景观生态学理论,研究塌陷区土地资源的破坏规律。以徐州市贾汪区的采煤沉陷地为研究对象,对沉陷地的图斑形状和规模分别进行了研究,研究的结果表明:同标准田块相比,沉陷地的斑块指标平均值接近优质农田,但变化幅度较大。图斑面积变化较大,面积小于500亩的图斑较多,占总地块数的65%,占总面积的27%。并以贾汪区商湖复垦项目为对象,分析了复垦前后的景观结构变化,结果表明,复垦工程实施后土地资源的可持续利用能力明显提高。更多还原

【Abstract】 The damage rules of land resources in subsidence area is analyzed based on the theory of landscape ecology,taking the subsidence area of coal mining area in Jiawang District as the research object,the patch shape and area of subsidence land on the map of landscape were studied.The studied results showed that comparing with the standard plots,the patch indexes of subsidence land,such as average patch shape and area,are close to the high-qualified cropland,but scope of their change is larger.The patch numbers of land with area less than 500mu are more,account for the 65% of total plots and their area account for 27% of the total area.The changes of landscape structure for the reclamation project of Shanghu,Jiawang,is analyzed,the analyzed results show that the sustainable usability of land resources in subsidence area is improved apparently after the reclamation project is implemented.更多还原