高寒草甸地区温度是限制牧草地上年产量提高的主要因素。
Temperature is a major factor limiting the growth of above ground biomass on alpine grasslands.
分析了高寒草甸地区冷季降水和土壤水分资源分布特征及其对牧草产量的可能影响。
The influence of cold season precipitation and soil moisture on herbage production in alpine meadow of Qilian mountains was analyzed.
同时计算表明，海北高寒草甸地区植物群落对PAR的光能利用率为0 .5 8%左右。
The efficiency of energy conversion of PAR is 0.58% more or less in plant community of Haibei alpine meadow area.
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