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About SD

May 2001
Updated February 2002

TEMS database

The Terrestrial Ecosystem Monitoring Sites (TEMS) database has been updated with new user features and content about environmental monitoring sites located around the world. TEMS is an international directory of sites (T.Sites) and networks that carry out long-term terrestrial monitoring and research activities. Based on a core list of 120 variables, the database provides information on the "who, what and where" that can be used by both the scientific community and policy analysts. A new version of TEMS has been developed and released on the web by the Global Terrestrial Observing System (GTOS) with scientific and technical support from the Terrestrial Observation Panel for Climate (TOPC) and FAO. This version of TEMS contains many new features including simple and advanced searches, browsing trees facilities (by environmental variables, networks, or T.Sites), maps, improved and revised environmental variable sheets, socio-economic data, and automated on line registry and editing of T.Sites. The information on sites has been or is being updated and new sites are being added to the database. A TEMS brochure is now available from the GTOS secretariat (e-mail: The development of a French and Spanish version of TEMS is now being investigated as well as the development of a set of biodiversity variables, and modules that address biodiversity, mountain and coastal issues. If you would like to find out more, visit the web pages of GTOS or TEMS.

To view the TEMS database, click here

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