Indicator plant — An indicator plant is a usually weedy plant that grows in some specific environment, allowing an assessment of soil and other conditions in a place by simple observation of vegetation.Much useful knowledge can be obtained about our land by… … Wikipedia
Indicator species — An indicator species is any biological species that defines a trait or characteristic of the environment. For example, a species may delineate an ecoregion or indicate an environmental condition such as a disease outbreak, pollution, species… … Wikipedia
Indicator value — This term is ambiguous:Ellenberg s indicator values are simple ordinal classes of organisms (initially plants) with a similar realized ecological niche along a gradient. The latest edition of Ellenberg s indicator values contain values on a 9… … Wikipedia
indicator — Honey Hon ey (h[u^]n [y^]), n. [OE. honi, huni, AS. hunig; akin to OS. honeg, D. & G. honig, OHG. honag, honang, Icel. hunang, Sw. h[*a]ning, Dan. honning, cf. Gr. ko nis dust, Skr. ka[.n]a grain.] 1. A sweet viscid fluid, esp. that collected by… … The Collaborative International Dictionary of English
indicator species — ▪ ecology organism often a microorganism or a plant that serves as a measure of the environmental conditions that exist in a given locale. For example, greasewood indicates saline soil; mosses (moss) often indicate acid soil. Tubifex worms… … Universalium
Ecological indicator — Ecological indicators are used to communicate information about ecosystems and the impact human activity has on ecosystems to groups such as the public or government policy makers. Ecosystems are complex and ecological indicators can help… … Wikipedia
pH indicator — Acids and Bases Acid dissociation constant Acid base extraction Acid–base reaction Acid–base titration Dissociation constant Acidity function Buffer sol … Wikipedia
PH indicator — A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that the pH (acidity or alkalinity) of the solution can be determined easily. Hence a pH indicator is a chemical detector for hydronium ions (H3O+)… … Wikipedia
Cool Chain Quality Indicator — The Cool Chain Quality Indicator (abbreviated as CCQI ) – established by the Cool Chain Association (CCA) and Germanischer Lloyd (GL) – is an industry standard which measures reliability, quality and skills in temperature critical logistics like… … Wikipedia
lagging indicator — noun : an economic indicator (as spending on new plants and equipment) that more often than not maintains an existent trend for some time after the state of the economy has turned onto an opposite trend called also lagger … Useful english dictionary
