Indicator indicator 211 Ecosystems 119 China 107 human 80 Forestry 61 Biodiversity 58 Humans 56 Climate change 53 Article 51 Sustainable development 46 Vegetation 40 biodiversity 40 environmental indicator 40 female 40 male 40 United States 39 spatiotemporal analysis 38 Conservation 37 adult 37 climate change 37 Ecology 34 Land use 33 Remote sensing 33 controlled study 33 bioindicator 32 sustainability 28 major clinical study 27 Rivers 26 Forecasting 25 Agriculture 24