A measurement, statistic or value that provides a proximate gauge or evidence of the effects of environmental management programs or of the state or condition of the environment. (Source: GEMET/EPAGLO)
An indicator is a quantitative or qualitative factor or variable that provides a simple and reliable means to measure achievement, to reflect the changes connected to an intervention, or to help assess the performance of a development actor. (Source: OECD-DAC)
Broader: LEO Thesaurus
Narrower: Rio markerindicator species
Follow up the links below to see InforMEA content related to environmental indicator coming up from several external sources.