indicator of pollution

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• Pollution des eaux — Pollution de l eau   Pollution  v ·  · m  Pollution de l air …   Wikipédia en Français

• 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

• Pollution de l'eau — Les détritus de type déchets ménagers sont souvent indicateurs de pollutions (métaux lourds, microbes.. posant des problèmes de santé publique, notamment dans les régions où les eaux de surfaces sont utilisées pour la boisson, la lessive, la… …   Wikipédia en Français

• Indicator bacteria — Each gram of human feces contains approximately 12 billion (12*109) bacteria, among them may include pathogenic bacteria, such as Salmonella , associated with gastroenteritis. In addition, feces may contain pathogenic viruses, protozoa and… …   Wikipedia

• indicator organism — An organism whose presence indicates the condition of a substance or environment, for example, the potential presence of pathogens. Coliforms are used as indicators of fecal pollution …   Dictionary of microbiology

• Air pollution in Hong Kong — is considered a serious problem. It affects flora and fauna in the area, and the health of residents living there. Visibility is currently less than eight kilometers for 30% of the year. Cases of asthma and bronchial infections have soared in… …   Wikipedia

• Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …   Wikipedia

• Genuine Progress Indicator — The Genuine Progress Indicator (GPI) is a concept in green economics and welfare economics that has been suggested to replace gross domestic product (GDP) as a metric of economic growth.GPI is an attempt to measure whether a country s growth,… …   Wikipedia

• Air pollution — from World War II production Smog over …   Wikipedia

• Nonpoint source pollution — Muddy river polluted by sediment. Photo courtesy of United States Geological Survey. Nonpoint source (NPS) pollution refers to both water and air pollution from diffuse sources. Nonpoint source water pollution affects a water body from sources… …   Wikipedia