【摘要】 <正> 一、自然概况若尔盖高原是一个四周被4000余米高山环抱的丘状高原。海拔高度3275.1—3462.9米。地势平坦低洼,境内河曲极度发育,排水能力极差,地面长期积水。年均温0.7—3.3℃,年均降水量633.6—749.6毫米,相对湿度65—72％,最大冻土层72—101厘米,积雪厚度12—21厘米,5—9月降水量为全年的78—80％。植被为沼泽植被类型,土壤类型主要有亚高山草甸土、泥炭沼泽土、泥炭土和腐殖质沼泽土等。更多还原

【Abstract】 The Ruoergai plateau is situ■d in the northwest of Sichuan in China.The total grassland area of all the region is about 283,685,000mu. Among o■ers the grassland area of moor vegetation category is about 74, 390,000mu.or about 25.98% of total grassland area.The exuberant resource of moor vegetation is good grass for getting fat of animals and adaptable for developing animal husbandry.更多还原