摘要
我国耕地资源的减少已经成为目前面临的主要问题之一,并随着经济的进一步发展,耕地资源减少的现状还将持续下去。本文根据1987-1994年我国耕地面积的总减少、净减少、损失率和变化率分析了耕地动态变化的区域特征,并依此将我国大陆30个省(区)分为不同的类型,提出了不同类型区存在的问题和应采取的对策。
he decrease of cultivated land resources has become one of the most importantproblems in China and the trend of decrease will continue with further developmentof national economy. In this paper, the spatial characteristics and reasons accountable for the loss of cultivated land are studied through analysis of total loss,net loss,percentage of total loss and percentage of net loss of cultivated land area ofthe thirty provinces (regions) covering 1987 to 1994 which is beneficial for decisionmakers in working out feasible policies and plans to prevent further decrease ofcultivated land.
出处
《自然资源》
CSCD
北大核心
1996年第5期1-8,共8页
关键词
耕地资源
总减少
净减少
损失率
变化率
土地
Cultivated land resource:Total loss
Net loss
Percentage of totalloss
Percentage of net loss