【摘要】 通过对玛曲县草地退化现状的研究分析,认为造成该地区草地退化的因素有自然因素和人为因素,主要表现为超载过牧和鼠虫害猖獗等。并以草地退化成因为依据,结合当地实际情况,提出了建立合理的放牧制度,以草定畜、围栏封育、及时补播和灭鼠防虫等措施,以达到改良草地、防治草地退化的目的。更多还原

【Abstract】 The factors causing grassland in Maqu County of Gansu Province were analyzed and it could be concluded that both natural factors and human factors were the crucial issues.The overgrazing and rodent/pest damage were very severe after degradation.It was suggested that the stocking rate should be determined on the base of carrying capacity and the enclosure,re-seeding and rodent/pest control should be carried out in order to control the grassland degradation.更多还原