Wilderness NATURE 837 Ecology 836 Ecosystems & Habitats 836 SCIENCE 834 Life Sciences 831 Environmental Science 566 Environmental Science (see also Chemistry 267 Environmental) 267 Écologie 103 Mathematical models 59 Gestion 57 Biotic communities 56 Changements 54 Climat 54 Climatic changes 52 Conservation 50 Biodiversity 48 Environmental aspects 47 Environnement 46 Biodiversité 45 Ökologie 44 Biologie des populations 41 Population biology 41 History 39 Aspect de l'environnement 38 Écosystèmes 37 Biology 36 Research 36 ecology 36