河北丰宁坝上土地沙漠化现状及其综合整治的研究

STUDY ON THE PRESENT STATE AND COMPREHENSIVE REHABILITATION OF THELAND DESERTIFICATION ON BASHANG PLATEAU IN FENGNING COUNTY,HEBEI PROVINCE

河北丰宁坝上的土地沙漠化主要表现在：①旱作农田的土壤风蚀。②缓起伏沙质草场的退化。③河滩低湿草地的退化。④丘陵山地阳坡的侵蚀沙化。综合整治的总方针是加强天然草原植被的合理管护与人工饲草饲料基地建设，建立综合防护林体系。

The land desertification on Bashang Plateau in Fengning County, Hebei Province ischaraterized by the wind erosion of the dry farmland,the degradation and sandification ofthe gently undulant sandy grassland,the deganeration of the low and wet grassland on theriver beach and the erosion and sandification of the south slopes of the hills.The generalrehabilitation measures such as strengthening of the management and pretection of thenatural rangeland,and the establishment of artificial forage base and comprehensivepretective systems should be taken.