Dictionary of ichthyology. 2009.
Biological integrity — is associated with how “pristine” an environment is and its function relative to the potential or original state of an ecosystem before human alterations were imposed. Biological integrity is built on the assumption that a decline in the values… … Wikipedia
IBI — index of biotic integrity (the use of fish sampling data to indicate the overall health and integrity of a stream. Measures of fish species composition, trophic composition, reproductive behaviour and abundance and condition are used. Sites with… … Dictionary of ichthyology
Indice d'intégrité écologique — Un Indice d intégrité écologique (IIE ou IBI pour Index of Biological Integrity pour les anglophones), aussi appelé indice d intégrité biotique, est un outil scientifique d évaluation environnementale (outil méthodologique, parfois associé à un… … Wikipédia en Français
Sustainability accounting — (also sometimes called sustainability metrics or sustainable development indicators) is a general term for the variety of measurements used as a quantitative basis for the informed management of environmental, social and economic sustainability.… … Wikipedia
Electrofishing — before they are caught. Electrofishing is a common scientific survey method used to sample fish populations to determine abundance, density, and species composition. When performed correctly, electrofishing results in no permanent harm to fish,… … Wikipedia
Miller Beach — Neighborhood The Lake Street Beach in eastern … Wikipedia
Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… … Wikipedia
Indice poisson rivière — L indice poisson rivière (IPR) est un des indices utilisés en France pour utiliser l ichtyofaune (peuplements de poissons) des rivières en tant qu indicateur de la qualité de la rivière qui les abrite. Il présuppose que la qualité de la faune… … Wikipédia en Français
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Ecology — For other uses, see Ecology (disambiguation). Ecology … Wikipedia
