• Below Ground Biodiversity Project
• CEH (Centre for Ecology and Hydrology (NERC, UK)) – Soil biodiversity and Ecosystem function
• CNRS (Centre National de la Recherche Scientifique) (National Centre for Scientific Research)  - Exploring Soils’ Genetic Biodiversity
• CréBeo Project University College Dublin
• Eco Walk the Talk – Environmental webs site focussing on Asia and ecology matters
• ENVASSO (Environmental Assessment for Soil Monitoring)
• Europa – Press release on Soil Biodiversity
• European Commission (Environment) Soil Biodiversity 
• European Commission on soil biodiversity (publication)
• European Commission Soil Biodiversity: Land Management and Natural Hazards Unit
• Global Soil Map programme
• Imperial College London, (UK) –NERC Centre for Population Biology
• IUFRO (International Union of Forest Research Organizations)– Global Network for Forest Science Cooperation
• NERC (National Environment Research Council, UK)- Soil Biodiversity
• NERC (UK National Environment Research Council, UK) - Soil Biodiversity Programme: Biological Diversity and Ecosystem Function in Soil
• SCRI Biodiversity
• SciTopics –Research Summary on soil Biodiversity
• Terragenome Project 
   

Links to soil organisms

General

• List of World culture collections
• NRSC (Natural Resources Conservation Service)
• The Association of Applied Biologists
• University of California Museum of Paleontology
• ICTV (International Committee on Taxonomy of Viruses)
• Virology Journal
• SCRI Virology research
• Soil viruses
  

Archaea

• Enigma and Hydrogen Regulation 
   

Bacteria

• Virtual Museum of Bacteria (Foundation of Bacteriology/ Society of Applied Microbiology)
• NRCS (Natural Resources Conservation Service) - Soil Biology
  

Fungi

• Aberdeen Mycorrhiza research group
• Nature grid – Fungi
• Visual Fungi  
   

Nematodes

• Nembase 3 – a data base on nematodes
• University of Nebraska-Lincoln – what are nematodes?
  

Termites

• Natural History Museum – termites
  

Algae

• Agrra (Atlantic and Gulf Rapid Relief Assessment)