Ecosystems

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.
http://angelfire.com/sk/monkeypuzzle/mbiooverviewmain.html

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.
http://library.thinkquest.org/C0113340

The Buell-Small Succession Study
A long term old-field permanent-plot ecological succession study on the New Jersey Piedmont.
http://www.ecostudies.org/bss/

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]
http://www.birdlist.org/downloads/micosys/protected_areas_system_composition&monitoring.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.
http://www.esa.org/vegweb/

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.
http://www.ecoinfo.ec.gc.ca/

Ecosystems Classification and Mapping
The World Institute for Conservation and Environment, WICE, provides information, tools and resources.
http://www.ecosystems.ws

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.
http://www.explorelifeonearth.org/drytropics.html

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.
http://www.gu.edu.au/ins/collections/webb/

MBGnet
Descriptions and images of the biomes of the world, freshwater ecosystems, and marine ecosystems. From the Missouri Botanical Garden.
http://mbgnet.mobot.org/

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.
http://www.maweb.org/

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.
http://www.millenniumassessment.org/

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.
http://platon.tretyak.googlepages.com/theprinciplesofthetransboundarysystemofn

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.
http://www.heinzctr.org/ecosystems/

Terrestrial Ecoregions of the World
Maps, descriptions, and index to 687 ecoregions across the globe. Javascript required.
http://www.nationalgeographic.com/wildworld/terrestrial.html

WorldBiomes
Covering five of the major world biomes.
http://www.worldbiomes.com/

The World's Biomes
Introduction to aquatic, desert, forest, grassland, and tundra biomes. School class project.
http://www.ucmp.berkeley.edu/exhibits/biomes/

WWF - Ecoregions
Detailed descriptions and images of the world's ecoregions. Javascript required.
http://www.worldwildlife.org/wildplaces/about.cfm