WebFeb 25, 2010 · The biological index of pollution (BIP) which hinges on the responses of aquatic biota to pollution of water sources was used to assess the quality of some water sources in Zaria area,... WebThe algae are assigned a pollution index value of 1-6. When microscopic analysis shows that these alga genera are present at a density of 50 or more individuals in a 1ml sample, their index value is recorded. Following analysis, the values are totaled. A score of 20 or more is regarded as confirmation of high organic pollution in the waterbody.
Frontiers Ecological health evaluation of rivers based on ...
WebPollution Index is an estimation of the overall pollution in the city. The biggest weight is given to air pollution, than to water pollution/accessibility, two main pollution factors. … WebDec 14, 2024 · Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human … optimal protection of international law
Assessment of pollution status of Dalianhu water sources in
WebMar 23, 2024 · Traffic-Related Air Pollution (TRAP), a mixture of gasses and particles, has most of the elements of human-made air pollution: ground-level ozone, various forms of carbon, nitrogen oxides, sulfur … Biotas could often be used to estimate pollutant levels in their habitats indirectly. It might also be possible to track population density over time and notice changes that might result from changes in the ecosystem. A biological indicator is a living organism that always displays an indicative idea the ecosystem’s health … See more Due to their immovability and lengthened existence, higher plants are subjected to many categorized ecosystem pollutants and hence often … See more Lichens are mutualistic associations of symbiosis microorganisms belonging to Cyanobacteria composed from algae and fungi as well as … See more Planktons are biotas habitually existing in most aquatic ecosystems and eventually grow intensively enough to swim against the currents. They are usually microscopic, often … See more Enzymatic activities are considered to be sensitive to pollutants and had been suggested as biological indicators to measure the degree of degradation in a given ecosystem. It was repeatedly witnessed that the … See more WebApr 4, 2013 · Five biological indices: taxa richness ( S ), density ( D ), total BMWQ score (t-BMWQ), average BMWQ score (a-BMWQ), and the family biotic index (FBI) were used for biological assessment of water quality. These five indices were selected because they are among the most commonly applied biotic indices for rapid water quality assessment. optimal protein intake