· Arab Centre for the Studies of Arid Zones and Dry Lands (ACSAD)
· Actic Monitoring and Assessment Programme (AMAP)
· Chinese Ecosystem Research Network (CERN)
· Consultative Group on International Agricultural Research (CGIAR)
· Fluxnet
· International Cooperative Programme on Integrated Monitoring of Air Pollution Effects on Ecosystem (ICP IM)
· Organismo Autonomo Parques Nationales
· Réseau d’Observatoires de Surveillance Ecologique à Long Terme (ROSELT)
· UK Environmental Change Network (ECN)
· US Long-term Ecological Research Networks (LTER)
· Worldwide Network of Biosphere Reserves (MAB-BR)
