An ecosystem is a community of organisms and their physical environment interacting as an ecological unit. This ODP category is for web sites related to particular ecosystems, such as forests, rain forests, tundra, prairies, and deserts.- Category ID : 417289
Technical paper on the importance of biodiversity and mutualism (co-operation between different species) to ecosystem function and structural organization.
Photographs of plants, animals, and landscapes from dry tropical habitats in the Americas, Africa, Madagascar, and Asia. Dry tropical habitat types include tropical dry forest, tropical deciduous forest, thorn forest, spiny desert, savannah, cerrado, and caatinga.
IUCN task force report on methods for optimizing national protected areas systems that maximise species conservation through targeted selection based on broadly accepted ecological principles.