indicator species


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indicator species

[′in·də‚kād·ər ‚spē·shēz]
(ecology)
A species whose presence is directly related to a particular quality in its environment at a given location.
References in periodicals archive ?
It is the only patch to feature migratory transients as indicator species, including Black-throated Green Warbler and Swainson's Thrush (Table 6).
This is particularly true if regulations are focused on an indicator species but the intent is also to control the harvest of other species in the assemblage.
(WD/PLEC) WIS = Wetland indicator species WISI = Wetland indicator species with invasive rating PLEC = Planted erosion control on upper bank WD = Weed species Authority: Gleason and Cronquist 1991
Frogs are known as indicator species because they have porous skin, which they use to breathe and to "drink" water.
The scientists suggest an urgent need to test relationships between the presence and abundance of potential indicator species and other species or ecological processes, before we rely on them.
Equations were calculated separately for each indicator species and then averaged to calculate mean competition intensity for each experimental plot.
Wherever you go, the tree to watch for is the Sitka spruce, an indicator species of the temperate rainforest.
The variation of the community structure among the types of mesohabitats and the presence of indicator species of specific types of habitats in the stream studied demonstrate the importance of heterogeneity for oligochaetes fauna in streams in forested regions.
Indicator species analysis was also used to characterize individual species' tolerance to different management schemes.