The efficiency of energy conversion of PAR is 0.58% more or less in plant community of Haibei alpine meadow area.
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。
Grass production of Alpine Meadow is highly negatively correlated with winter-spring air temperature of Haibei at Qilian mountain.
祁连山海北地区冬春气温与高寒草甸牧草产量具有很高的反相关关系。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。
Based on a microclimate observation, a study, on fine days, of the net radiation flux, soil heat flux, sensible heat flux, and latent heat flux on the alpine meadows of Haibei Area was conducted.
以微气候观测为基础，研究晴天状况下海北高寒草甸地区净辐射通量、土壤热通量、感热通量和潜热通量变化等特征。
Based on a microclimate observation, a study, on fine days, of the net radiation flux, soil heat flux, sensible heat flux, and latent heat flux on the alpine meadows of Haibei Area was conducted.
以微气候观测为基础，研究晴天状况下海北高寒草甸地区净辐射通量、土壤热通量、感热通量和潜热通量变化等特征。
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