Allometry and Distribution of Nitrogen in Natural Plant Communities of the Tibetan Plateau.

ABSTRACT: Nitrogen (N) is an important element for most terrestrial ecosystems; its variation among different plant organs, and allocation mechanisms are the basis for the structural stability and functional optimization of natural plant communities. The nature of spatial variations of N and its allocation mechanisms in plants in the Tibetan Plateau-known as the world's third pole-have not been reported on a large scale. In this study, we consistently investigated the N content in different organs of plants in 1564 natural community plots in Tibet Plateau, using a standard spatial-grid sampling setup. On average, the N content was estimated to be 19.21, 4.12, 1.14, and 10.86 mg g^-1 in the leaf, branch, trunk, and root, respectively, with small spatial variations. Among organs in communiti

SUBMITTER: Li X 

PROVIDER: S-EPMC8963499 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature