Biotic communities 43 Ecology 11 Climatic changes 5 Nature 5 Global environmental change 4 Human ecology 4 Natural resources 4 Pollution 4 Marine ecology 3 Oceanographic environment 3 Biological diversity 2 Biology 2 Ecosystem 2 Evolutionary ecology 2 Geographical ecology 2 Human ecology-Study and teaching 2 Life sciences 2 Microbial ecology 2 Ocean bottom 2 Ocean bottom ecology 2 Oceanography 2 Population biology 2 Population ecology 2 Population-Environmental aspects 2 Adaptation (Biology) 1 Algal Communities in Papnash Pond Bidar Karnataka, Algal Communities in Papnash Pond Bidar Karnataka, Intertidal Region and Biodiversity, Fish Fauna of the District Udham Singh Nagar with Some Recommendations for Improvement of Fisheries 1 Animal behavior 1 Animal populations 1 Animal-plant relationships 1 Aquatic biodiversity, Sustainable Development and Conservation of Fish Genetic Biodiversity in India, Biodiversity of Cyanophytes and Bacteria Associated with Nitrogen Cycling in the Marine Environment, Ornamental Fish Biodiversity of India 1