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An investigation to show the correlation between the number of different species found, and the B.M.W.P score of the environment.
Member rating: No Rating | Words: | Submitted: Fri Feb 06 2004
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Matthew Stone Introduction For an explanation on BMWP, refer to appendix 1. For background information on Osmington Bay, refer to appendix 2 Plan Hypothesis "The BMWP score will increase with the number of species found." This is because the larger the number of species, the more BMWP score there will be for the sample. With correlation to the environment, species that have a higher affinity for oxygen have a higher BMWP score. Therefore, if there is only one species in a riffle (a highly aerated and fast flowing part of the river, meaning high amounts of oxygen dissolved and low amounts of organic pollution), the BMWP score of the area will be higher than that of a pool (stagnant, little aeration, and large amounts of organic pollution (eutrification of the organic pollution causes low oxygen content)) with many species: Environment BMWP Score High aeration, high number of species High High aeration, few number of species Medium Low aeration, large number of species Medium Low aeration, few...
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