Allocation of forest biomass across broad precipitation gradients in China's forests.

ABSTRACT: Forests act as major sinks for atmospheric CO₂. An understanding of the relationship between forest biomass allocation and precipitation gradients is needed to estimate the impacts of changes in precipitation on carbon stores. Biomass patterns depend on tree size or age, making it unclear whether biomass allocation is limited by tree age at regional scales. Using a dataset of ten typical forest types spanning a large age scale, we evaluated forest biomass allocation-precipitation correlations with the aim of testing whether biomass allocation patterns vary systematically in response to altered precipitation. With increasing mean annual precipitation, a significant quadratic increase occurred in ≤30 yr and >60 yr groups in stem biomass, >60 yr group in branch biomass, and >60 yr

SUBMITTER: Lie Z 

PROVIDER: S-EPMC6043570 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature