Agriculture Network Information Center - a guide to quality agricultural information as selected by the National Agricultural Library, Land-Grant Universities, and other institutions.
The Arid Lands Newsletter - explore events and issues of interest to arid lands researchers, resource managers, and policy makers around the globe.
California Invasive Plant Council - protects California's lands and waters from ecologically-damaging invasive plants through science, education and policy.
California Native Plant Society - a statewide non-profit organization with a common interest in California's native plants.
Conservation Biology Institute (CBI) - provides scientific expertise to support the conservation and recovery of biological diversity in its natural state through applied research, education, planning, and community service.
Endangered Habitat Conservancy (EDC) - is a nonprofit land trust organization that works to help conserve the remaining natural wildlands of Southern California.
Island Press - an online publication with pointers to environmental information.
Ecological Society of America - promotes ecological science, increases the resources available for the conduct of ecological science, and ensures the appropriate use of ecological science in environmental decision making.
Ecology WWW Sites - a volunteer service to students, teachers, researchers, and others interested in the science of ecology
Forest Mycology and Mycorrhiza Research Team - research on the biology and ecology of forest fungi in Pacific Northwest forest ecosystems.
Information Center for the Environment - Geographic information system (GIS), database, and modeling development and support.
Long Term Ecological Research - a collaborative effort involving more than 1800 scientists and students investigating ecological processes over long temporal and broad spatial scales.
Natural Resources Research Information Pages - an internet resource guide for researchers, practitioners and students in the natural resources field.
The Ordination Web Page (Oklahoma State University) - is designed to address some of the most frequently asked questions about ordination.
Santa Margarita Ecological Reserve - a Research Field Station of San Diego State University.
Society for Ecological Restoration (SER) - promotes ecological restoration as a means of sustaining the diversity of life on Earth and reestablishing an ecologically healthy relationship between nature and culture.
Soil Science Ecology
Soil Science Society of America - the professional home for over 6,000 professionals throughout the world dedicated to the advancement of soil science.
Natural Resources Institute - an internationally recognised centre of expertise in research and consultancy in the environment and natural resources sector.