Elevation pattern of resource allocation in <i>Picea crassifolia</i> Kom. and its coupling mechanism with soil factors in Helan Mountains, China.

From low to high elevation, the C:N, C:P, and N:P of the whole plant of Qinghai spruce showed a trend of increasing and then decreasing ( P < 0.05).

also in 53,322 other papers

The C content of the whole plant of Qinghai spruce showed an increasing trend with elevation ( P < 0.05).

also in 63,971 other papers

This is because soil organic carbon mainly comes from organic matter produced by the decomposition of soil animals and their feces, microorganisms and plant residues, and the content of organic carbon in the surface soil is much higher than that in the deeper soil layer, so soil organic carbon showed a decreasing trend with increasing soil depth.

also in 47,180 other papers