See also:

• Science: Biology: Ecology: Research Centers: Long-Term Ecological Research Network - LTER  (16)
• Science: Environment: Biodiversity: Ecosystem Biodiversity  (2)
• Society: Issues: Environment: Conservation and Endangered Species: Ecosystems and Habitats  (64)

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	Catalan  (3)

Biodiversity and Mutualism in Ecosystems - Technical paper on the importance of biodiversity and mutualism (co-operation between different species) to ecosystem function and structural organization..

Biomes - Living Worlds - Fact sheets, photos, and video clips on the climate, location, animal and plant adaptations, land formations, and human influences of seven major terrestrial biomes: tundra, taiga, temperate forest, grassland, chaparral, desert, and rainforest..

The Buell-Small Succession Study - A long term old-field permanent-plot ecological succession study on the New Jersey Piedmont..

Comprehensive Protected Areas System Composition and Monitoring - 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. [PDF].

Ecological Society of America Panel on Vegetation Classification - Constituted by the Ecological Society of America to support and facilitate the creation of standardized, scientifically credible North American vegetation type classification..

Ecosystem Information - Information related to ecosystems in the Pacific and Yukon regions of Canada, including state of the environment reporting, environmental indicators, and programs and reports on ecosystem science, monitoring and research..

Ecosystems Classification and Mapping - The World Institute for Conservation and Environment, WICE, provides information, tools and resources..

Images of the Dry Tropics - 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..

Len Webb Ecological Images Collection - Photographs by ecologist Len Webb depict a wide variety of native vegetation, fauna, landscapes, and soils, mainly in tropical and subtropical Northeastern Australia. Represents a wide range of ecosystem types..

MBGnet - Descriptions and images of the biomes of the world, freshwater ecosystems, and marine ecosystems. From the Missouri Botanical Garden..

Millenium Ecosystem Assessment - Report of a scientific appraisal of the condition and trends in the world’s ecosystems and the services they provide, as well as the scientific basis for action to conserve and use them sustainably..

Millennium Ecosystem Assessment - Reports from international effort to inventory global ecosystems, their contribution to human development, and the effect of the ongoing degradation of ecosystem services on human well-being..

The Principles of the Transboundary System of Nature Environment Protection: The Upper Bug - Project to protect the ecosystems of the Western Bug basin, on the boundary between Poland and Ukraine, by collaboration between the two countries..

The State of the Nation's Ecosystems - Online book about the current status and trends of the environment of the United States, aimed at public policy makers and concerned citizens..

Terrestrial Ecoregions of the World - Maps, descriptions, and index to 687 ecoregions across the globe. Javascript required..

WorldBiomes - Covering five of the major world biomes..

The World's Biomes - Introduction to aquatic, desert, forest, grassland, and tundra biomes. School class project..

WWF - Ecoregions - Detailed descriptions and images of the world's ecoregions. Javascript required..

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