Plant communities 9 Plant Ecology 4 Biodiversity 3 Biological Resources (Plant) 3 Ecology 3 Plant ecology 3 plant communities 3 Forest ecology 2 Forests 2 Forests and Forest Trees (Biology and Ecology) 2 Nature conservation 2 Allelopathy 1 Animal Ecology 1 Animal ecology 1 Animal-plant relationships 1 Aquatic plants 1 Aquatic weeds 1 Asexual reproduction 1 Behaviour 1 Behaviour (Wild Animals), (New March 2000) 1 Biology 1 Botony 1 Coevolution 1 Community Participation and Development, (New March 2000) 1 Community involvement 1 Desertification 1 Endangered species 1 Environmental policy 1 Feeding behaviour 1 Forest Ecology, Environment, Ecosystem, nutrient cycle, ecological succession, plant communities, autoecology, biodiversity and conservation, desertification and control, climate change and forestry 1