Taking Balin Right Banner of Inner Mongolia as an example,the author detailedly analysed several kinds of methods that chiefly adopted in the desertification prevention and control at present of northern semiarid grasslands in China,such as enclosure to prevent grazing,emigrant or immigrant for ecology,raising in enclosure and the small grass enclosed pasture.

Based on the experience and investigation on the establishment of Five-conveyance livestock fence and on present economic and technological conditions,we putforward the five-conveyance livestock fence(including water,herbage,feed,woodlandand machinery)which focused on herbage,feed and water.

Research on Andai Ritual in Kulun Area;

Flood regulation benefit analysis on Kalun reservoir under proper risk;