Widespread and relatively common in the habitat.
Easy to identify, observe and census.
Well understood with respect to its ecology and interactions with land-uses;
Able to respond rapidly to environmental changes, so that they can provide early warning of detrimental impacts;
Representative of the habitat requirements and ecology of a large number of species;
Of high intrinsic or popular appeal so that they can help motivate action (e.g. ‘flagship’ species). The selection process of indicators should include a test to verify that it clearly reflects the changes in the ecosystem for which it was chosen as an indicator.
Frederick paul answered the question on March 7, 2018 at 14:18
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