摘要
生态安全研究是目前中国土地资源可持续利用研究的前沿课题。本文利用系统聚类分析方法，以湖南省14个地州市为样本，从1999年社会经济和土地生态环境压力、土地生态环境质量、土地生态环境保护和整治能力等多方面的运行数据中选取人口密度、城镇化水平、人均耕地、人均GDP、森林覆盖率、水土流失等24个指标，对土地利用生态安全评价指标作了系统聚类和分析。
Research on ecological safety is the preceding task of sustained utilizing China land resources. The paper systematically clustered and analyzed ecological safety estimation index of land utilization, sampling 14 cities and towns of Hunan province, aiming 24 indexes of population density, town-level, plow-land per person, GDP per person, forest cover ratio, loss of water and soil erosion etc. from various running data of ecotope pressure, ecotope quality of land, protection and management of land ecotope etc. in 1999.
出处
《湖南地质》
2002年第4期252-254,共3页
Hunan Geology
