期刊论文

中文

甘肃科学学报

1004-0366

2012

24

4

139-142

10.16468/j.cnki.issn1004-0366.2012.04.033

国家自然科学基金项目（71103073）；

本校为第一机构

以湖北省英山县为例,依据土地权属调查资料建立村域尺度的林地生态风险模型,探讨乡村林地生态风险空间分布模式.研究表明:（1）林地生态风险与地形因子有较大相关性,村域坡度越小,风险水平越高;（2）林地生态风险水平总体呈现出较强的空间集聚趋势,风险水平较高（或较低）的村域趋于和同类的村域相邻;（3）每个村域的风险关联模式及空间分布不尽相同,"低—低"型村域在县域北部高海拔地域上呈现出连片分布态势,"高—高"型村域在县域中南部地域上形成连片分布格局,"低—高"与"高—低"型村域则以分散分布为主.研究结果为有效采取风险规避措施提供了理论依据.

Based on investigation data of rural land ownership,a village-scale ecological risk model was established to discuss the spatial pattern of rural woodland ecological risk.Taking Yingshan County of Hubei Province as a case,the results indicate：（1） there is a great connection between woodland ecological risk and terrain factors.The smaller the slope of village is,the higher the risk level is.（2） The woodland ecological risk level of tend villages shows a strong overall trend of spatial concentration.The villages with the higher（or the lower...