biodiversity Research & information: general 27 climate change 18 conservation 14 Biology, life sciences 11 Science: general issues 9 environment 8 Technology: general issues 7 ecology 7 species richness 7 taxonomy 7 Ecological science, the Biosphere 6 agriculture 6 antioxidants 6 diversity 6 sustainability 6 antioxidant activity 5 biogeography 5 ecosystem services 5 nutrition 5 phenolic compounds 5 phylogeny 5 sustainable agriculture 5 Environmental economics 4 distribution 4 forests 4 governance 4 precipitation 4 protected areas 4 public participation 4