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About: Biological monitoring working party     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Message106598915, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: anatomical structureyago:WikicatWaterQualityIndicatorsyago:Abstraction100002137yago:Communication100033020yago:Fact106636259yago:Index106639674yago:Information106634376yago:Message106598915 New Facet based on Instances of this Class

The biological monitoring working party (BMWP) is a procedure for measuring water quality using families of macroinvertebrates as biological indicators. The method is based on the principle that different aquatic invertebrates have different tolerances to pollutants. In the case of BMWP, this is based on the sensitivity/tolerance to organic pollution (i.e. nutrient enrichment that can affect the availability of dissolved oxygen). It is important to recognise that the ranking of sensitivity/tolerance will vary for different kinds of pollution. In the case of BMWP/Organic pollution rankings, the presence of mayflies or stoneflies for instance indicate the cleanest waterways and are given a tolerance score of 10. The lowest scoring invertebrates are worms (Oligochaeta) which score 1. The numb