Soil Biodiversity and Ecosystem Functioning - Research projects, data and links from The Natural Resource Ecology Laboratory (NREL,) Colorado State University (CSU).

Soil Ecology and Restoration Group - Primary focus is on soils and below-ground processes in arid and semiarid ecosystems with emphasis on microbial ecology and plant-microorganism relationships (San Diego State University, University of California Riverside, USA).

Institute of Soil Ecology - Overall research goal is the protection of soils in terms of their function as a site for plants and as a formative element of the landscape (National Research Center for Environment and Health, Germany).

Fungal and Soil Ecology Lab - Current research and publications (University of Guelph, Canada).

Soil Ecology - Soil and rhizosphere processes in semi-natural habitats (Swiss Federal Research Institute WSL).

Sensitivity of ecosystem functioning to changes in the structure of soil food webs - Thesis by Jouni Laakso, University of Jyväskylä, 1998.

The Soil Ecology Society - An international organization of researchers, students, environmental professionals and others interested in the advancement and promotion of soil biology and ecology.

Soil and Ecosystem Ecology - Research projects and publications (Lancaster University, UK).

Kingdom of the Crusts - A comprehensive compilation of material pertaining to biological soil crusts: essays, teaching resources, literature, history, directories, classification and links to existing web sites.

KSU Soil Microbial Ecology Laboratory - Research group at Kansas State University, USA.

Salinity and Plant Tolerance - A publication from the Utah State University describing soil salinity, its causes, ways of measuring and salt tolerances for many common plants. July 1997.

Soils Zoo - Descriptions of soil microfauna and mesofauna.

Soil Organisms and The Nitrogen Cycle - Educational site explaining the role of soil organisms and the nitrogen cycle.