showed a trendp < .05
But shrub‐layer BGB had a significantly positive relationship with mean annual precipitation ( p < .05), while grass‐layer BGB showed a trend of decrease with increasing mean annual temperature ( p < .05).
But shrub‐layer BGB had a significantly positive relationship with mean annual precipitation ( p < .05), while grass‐layer BGB showed a trend of decrease with increasing mean annual temperature ( p < .05).
4.3 Relationship between precipitation and BGB The BGB of the shrub layer in alpine shrubland ecosystems showed an increasing trend with increasing MAP, which demonstrates that precipitation plays a significant role in determining the sizes of shrub‐layer BGB.