Peterson Creek Bioassessment Data
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MetricTaxa RichnessEPT TaxaEPT IndexPercent DominaceTolerance ValueNotes
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DescriptionTotal number of individual TaxaNumber of families in the EPT ordersPercent composition of EPTPercent composition of the single most abundant taxaonTolerance value:0-10, low numbers are less tolerant to pollutionNotes: E:Ephemeroptera,P:Plecoptera,T:Trichoptera
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Year
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199830067%7.3
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199951269%8.1
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2000100054%6.3
7
200162458%6.5
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200291457%6
9
200360061%5.6
10
2004101151%6.1
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20058214.770.60.%5.6
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2006**********
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2007132278%6
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2008612343%5.6
15
2009101154%6.4
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201071238%6
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201181334%6
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201271335%6.5
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2013512132%5.74
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20141321236%6.35
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201591746%5.21
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2016511938%5.60
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201771567%6.03
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Mean7.741.056.5151.00%6.150=Not Tolerant 10=Tolerant
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Data not Available
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