Artenreichtum SCIENCE 23 Life Sciences 21 NATURE 20 Biodiversité 17 Conservation 13 Ecology 12 Biodiversity conservation 11 BUSINESS & ECONOMICS 10 Biodiversität 10 Ecosystems & Habitats 10 Wilderness 10 Biodiversity 9 Evolution 9 Animals 7 General 7 Ökosystem 7 Biological Diversity 6 Environmental Science 6 Real Estate 6 Naturschutz 5 Biodiversiteit 4 Biologie de la conservation 4 Conservation biology 4 Environmental Science (see also Chemistry 4 Environmental) 4 Écologie 4 Gestion 4 Nature 4 Species diversity 4