摘要
本文从耕地资源数量和质量分析珠江三角洲 1 990～1 997年耕地资源变化及其区域差异 :以珠江口、伶仃洋为中心 ,由内向外耕地减少速率逐渐下降、耕地质量逐渐提高。指出珠江三角洲耕地减少的主要原因是农业用地内部调整和非农建设占用 ,最后 ,针对各市不同情况提出对策和措施。
Starting from the analysis of the regional differences and the changes in the quantity of the cultivated land in the Delt of the Pearl River,the paper points out that the decreasing speed of the cultivated land is dropping and the quality is rising from the estuary of the Pearl River and the Lingding Yang to the land .The main factors of the cultivated land reduction are the rearrangement of agriculture, non- farming construction and to some degree the waste of the cultivated land.The deterioration of soil fertility and land quality,and the rearrangement of planting are the important factors of grain production reduction.In the end,the author puts forth the strategy for the different regions.
出处
《中国人口·资源与环境》
CSSCI
北大核心
2000年第2期75-78,共4页
China Population,Resources and Environment
关键词
耕地资源
区域差异
珠江三角洲
耕地减少
cultivated land resources
regional differences
influencing factors
the strategy
the Delta of the Pearl River
