biomass allocation China 4 Biomass 3 Biomass allocation 3 Economic and social effects 3 Climate change 2 Ecosystems 2 Net primary productivity 2 Nitrogen 2 Qinghai-Xizang Plateau 2 Soils 2 aboveground biomass 2 belowground biomass 2 climate change 2 net primary production 2 tropical forest 2 ANPP 1 Aboveground net primary productivity 1 Allometry 1 Alpine grassland 1 Alpine grasslands 1 Annual net primary productivity 1 Arid regions 1 Artemisia ordosica 1 Biodiversity 1 Bootstrapping 1 Brazil 1 Carbon allocation 1 Carbon dioxide 1 Carbon isotopes 1