Category
page 1Environmental and ecological indicators

bioindicator
thumb|Caddisfly (order Trichoptera), a [[macroinvertebrate used as an indicator of water quality.]]
A bioindicator is any species (an indicator species) or group of species whose function, population, or status can reveal the qualitative status of the environment. The most common indicator species are animals. For example, copepods and other small water crustaceans that are present in many water bodies can be monitored for changes (biochemical, physiological, or behavioural) that may indicate a problem within their ecosystem. Bioindicators can tell us about the cumulative effects of different
environmental indicator
measure used to evaluate environmental change
ecological indicator
attributes of ecosystems which signify their health