Ecology-- Biodiversity-- Conservation 2 Ecology-- Biodiversity-- Conservation-- Ecosystems 2 Applications of Mathematics 1 Applied mathematics 1 Biomathematics 1 Ecology-methods 1 Engineering mathematics 1 Environment by humans 1 Genetics and Population Dynamics 1 Integral Equations 1 Integral equations 1 Partial Differential Equations 1 Partial differential equations 1 Population Biology 1 Population biology 1 Specific factors affecting ecology 1