Caves
Anchialine Caves and Cave Fauna, Biological Investigations of Diana Northup, Biospeleology, Biospeleology (cave biology), Biospeleology in Romania, Caving Canada: Biospeleology in Canada and on the , Graham Proudlove's Cave Biology E-Mail List, Groudwater Biology Home Page, Groundwater Biology, Island Karst Research
Deserts
Desert Plants, Namib Desert, Research Centers, Sonoran Desert, Atacama Desert, Biological Soil Crusts, Center for Biological Diversity: Deserts, Chihuahuan Desert Home Page, Desert Biome, Desert Ecology, DesertUSA 2000, EcoQuest:Desert_Edition, Mojave Desert Wildlife, Mongolian Great Gobi
Forest
Canopy Research, Alberta Centre for Boreal Research, Australian Rainforest Ecosystems, Boreal Forest Network, Budongo Forest Project, Uganda, Centre of Excellence for Forest Ecology and Manage, Department of Forest Ecology, Swedish University , Ecological Forest Inventory and Analysis, European Forest Institute - Forest Ecology and Man, Florida 4-H Forest Ecology, Forest Biology Research Cooperative
Grasslands, Prairies and Steppes
Organizations, British Columbia Grasslands Conservation Council, Conversion of arid grasslands to desert shrubland , Database of Flower-Visiting Insects, Effects of ozone on grassland plant diversity, Kasota Prairie, Konza Prairie, Midewin National Tallgrass Prairie, Northern Prairie Biological Resources, Prairie Plains Resource Institute, Prairie Wildflowers of Illinois
Management
Ecosystem Management at the University of Michigan, The Concept of Naturalness in Natural Resource and
Wetlands
Peatlands, Beaver Dam Information Site, Bolsa Chica Land Trust, California's Coastal Wetlands, Center For Wetlands at the University of Florida, IUCN Water and Nature Initiative, Padule di Fucecchio, Ramsar Convention on Wetlands, The Florida Everglades: History and Restoration, Wetland Ecology
A Mysterious Journey - Rainforest, Desert, Grassla
Educational site about the 3 major biomes of the world, rainforest, desert and grassland.
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.
Ecological Society of America Panel on Vegetation
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.
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.
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.
Terrestrial Ecoregions of the World
Maps, descriptions, and index to 687 ecoregions across the globe. Javascript required.
The Buell-Small Succession Study
A long term old-field permanent-plot ecological succession study on the New Jersey Piedmont.
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.
The World's Biomes
Introduction to aquatic, desert, forest, grassland, and tundra biomes. School class project.
World Wildlife Fund - Ecoregions
Detailed descriptions and images of the world's ecoregions. Javascript required.