昆仑山中段北坡草原带谱成因特性与利用问题的探讨  

Formation and Utilization of the Grassland on the Northern Slope in the Middle of the Kunlun Mountain.

作　　者：徐同生[1,2] 李小兵[1,2] 

机构地区：[1]新疆生产建设兵团和田农场管理局 [2]新疆和田地区畜牧技术推广站

出　　处：《中国草地》1997年第2期16-22,共7页Grassland of China

摘　　要：对昆仑山北坡草原带形成原因、特性与利用问题的研究结果表明，一牧场草地处在两组构造方向山脉中央结晶带向南弧形凹曲的两侧肘部，构成巴什吐格山地水热、土壤、植被和草场的特异性和特别的经济性。草原植被发育良好，且呈现广泛连续带状分布，以山地荒漠草原为主，山地典型草原次之，高寒草原很少。草原植被垂直幅度４５０～６５０ｍ，东西部山地草原带水平宽幅９～２２ｋｍ。草原带上部中生植物成分增多，而下部草原植被出现旱化迹象。高山绢蒿＋昆仑针茅＋青甘韭群落和新疆银穗草＋穗状寒生羊茅＋杂类草植物群落分别占草原植被面积的６２．２９％和２０．１８％，平均产青草２．４９±０．８５ｔ／ｈｍ２，变异系数３３．８４％。草原等级较高，牧草质量良好。同时，还提出了一牧场草原环境优势与资源合理利用的建议。The specific property of the grassland on the northern slope in the middle of the Kunlun mountain was discussed in this article. The result has proved that the grassland is at the centre of the two way mountain ranges. It is contributed specific property and economy in terms of the water, soil, vegetation and grassland of the Bash Togh mountain. Vegetations of the grasslands are well and are scatterly distributed widely. Vertical extent of the vegetations on the grasslands are over 450～650m, grassland zonal width of the east-west on the mountain is 9～22km. The composition of the vegetations on the hill are maily mesophytes and the vegetations under the hill are mainly xerophytes. Fresh forage yield is 2.49±0.85 ton/hectare. Rank of the grassland is high and the quality of the forage is good.

关 键 词：山地草原带 草原利用 中昆仑山北坡 

分 类 号：S812.3[农业科学—草业科学] S812.8[农业科学—畜牧学]