A calculated term or enumeration representing some aspect of biological assemblage, function, or other measurable aspect and is a characteristic of the biota that changes in some predictable way with increased human influence. A multimetric approach involves combinations of metrics to provide an integrative assessment of the status of aquatic resources.
METRIC
Meaning of METRIC in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012