- USGS Biological Bibliographic Metadata
- Columbia Environmental Research Center Metadata Node
- Fire Research and Management Exchange System (FRAMES)
- Forest and Rangeland Ecosystem Science Center
- Great Basin Information Node
- Hawaii Biodiversity and Mapping Program
- National Gap Analysis Program Metadata
- National Wetlands Research Center
- US Geological Survey South Florida Ecosystem
- Metadata Clearinghouse Principal Node for CSAS
- Alabama Natural Heritage Program
- Baruch Coastal Monitoring
- California Spatial Information Library
- California Department of Fish and Game - BIOS
- California Environmental Information Catalog
- Coral Reef Information System
- Cornell Laboratory of Ornithology - Avian Knowledge Network
- Eastern Sierra Geospatial Data Clearinghouse
- EMAN Data Set Library (Environment Canada)
- Environment Canada
- Florida Fish and Wildlife Conservation Commission Data Library
- Global Forest Information Service
- Long Term Ecological Research (LTER) Network (26 sites)
- Long Term Ecological Research International (iLTER)
- Louisiana Universities Marine Consortium
- Millennium Assessment
- New Mexico Resource Geographic Information System Clearinghouse
- Natural Resource Project Inventory
- National Coastal Data Development Center
- NatureServe Metadata Node
- Organization of Biological Field Stations
- ORNL Distributed Active Archive Center for Biogeochemical Data
- Pacific States Marine Fisheries Commission
- Pennsylvania Spatial Data Access
- Partnership for Interdisciplinary Studies of Coastal Oceans
- Texas/Mexico Transboundary Metadata Clearinghouse
- Texas Natural Resources Information System (TNRIS)
- University of Alaska Fairbanks
- US Fish and Wildlife Service
- Virginia Department of Game and Inland Fisheries
- Virginia Natural Resources Geospatial Clearinghouse
- Washington State Geospatial Clearinghouse Node
- World Data Center
- Wyoming Natural Resources Data Clearinghouse
U.S. Department of the Interior |
U.S. Geological Survey
