近代西北地区农牧业开发对土地资源的影响

近代,随着北方沿海、沿边商埠的开放及其经济辐射作用的加强,西北地区的农牧业得到了空前的开发,农牧业产品的市场化和外向化水平明显提升.通过对近代西北地区皮毛贸易规模的变化,以及人类挖掘甘草和苁蓉等对农牧业的破坏状况,探讨人类在农牧业上掠夺式的经济活动对土地资源的破坏程度.认为,片面追求外向型经济发展的不合理农牧业开发,导致了西北地区土地资源的巨大破坏.

Study on Influences of Agricultural and Animal Husbandry Development to Land Resources in Northwest China in Modern Times

It is arid and the entironment is fragile in northwest China,so land degradation and desertification occur easily.Along with the opening of north coastal and frontier ports and the intensification of economic radiation in northwest China in modern times,agriculture and animal husbandry here have been vigorously developed,and the market and export-oriented level of farming and animal products has been noticeably improved.This paper sums up the change of fur trade scale in northwest China in modern times,the destruction of digging Glycyrrhiza uralensis and collecting Cistanche to the agriculture and animal husbandry development is lucubrated,and the destruction degree of land resources due to the uncontrolled economic activities in agricultural and animal husbandry development in northwest China in modern times is investigated.It is considered that the irrational agricultural and animal husbandry development will seriously destroy the land resources in northwest China if the export-oriented economic development of agriculture and animal husbandry is pursued only.Therefore,it is suggested to develop agriculture and animal husbandry based on considering the rational carrying capacity of land resources in northwest China,thus the sustainable utilization of land resources can be maintained.