stoichiometry Article 6 metabolism 6 Nutrients 4 human 4 nonhuman 4 Algorithms 3 Ecology 3 Humans 3 Metabolic Networks and Pathways 3 Models, Biological 3 Stoichiometry 3 algorithm 3 article 3 biological model 3 biomass 3 kinetics 3 Biodiversity 2 Biogeochemistry 2 Calcium 2 China 2 Ecological stoichiometry 2 Ecosystems 2 Fluorescence 2 Forestry 2 Indian Ocean 2 Kinetics 2 Landforms 2 Metabolism 2 Nitrogen 2