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.
Technical paper on the importance of biodiversity and mutualism (co-operation between different species) to ecosystem function and structural organization.
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.
The World Institute for Conservation and Environment, WICE, provides information, tools and resources.
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.
Descriptions and images of the biomes of the world, freshwater ecosystems, and marine ecosystems. From the Missouri Botanical Garden.
Project to protect the ecosystems of the Western Bug basin, on the boundary between Poland and Ukraine, by collaboration between the two countries.
Introduction to aquatic, desert, forest, grassland, and tundra biomes. School class project.
Covering five of the major world biomes.
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