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机构地区:[1]中国科学院地球化学研究所环境地球化学国家重点实验室,贵州贵阳550002
出 处:《山地学报》2001年第2期130-134,共5页Mountain Research
摘 要:贵州喀斯特山区的农业生态环境极为脆弱 ,对农业的可持续发展带来了很大的不利影响。本文认为其脆弱性主要是由喀斯特自然过程和人为活动共同作用的结果。并据此探讨了其环境整治和农业可持续发展的战略途径及相应的发展模式。Agro_ecological environment of karst mountain area in Guizhou is a fragile environment.It greatly restrains local sustainable development of agricultrue.This article regards its fragility as the result of co_impact by karst natural proceed and human activities.As the natural process,exist of carbonate rock and its erosion by water are the natural foundation of characters of main environmental resources that include water,soil,vegetation in karst agro_ecological environment of Guizhou mountain area and their fragility.These characters and fragility are discussed in this article. Moreover,unreasonable human activities,especially destroy of forest and continue extend of dry cultivated land area which directed by surplus of population,aggravate the fragility of karst agro_ecological in Guizhou mountain area.On the basis of these,the population controlling stratagem,resource stratagem and ecological environment stratagm for agricultural sustainable development in this type of area are discussed.And some concrete countermeasures are posed here.
关 键 词:贵州 农业生态环境 脆弱性 可持续发展 发展战略 发展模式
分 类 号:P931.5[天文地球—自然地理学]
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