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<br />- <br /> <br />Riverine Model <br /> <br />This model utilizes the life requisite approach and consists of three <br />components: cover; water quality; and reproduction. The generated HSI applies <br />to resident fish in streams. <br /> <br />Water Quality (CWQ)' <br /> <br />CWQ = The lowest SI rating of V1, V2, V], or V4 <br /> <br />Reproduction (CR). <br /> <br />CR = the lowest SI rating of Vs, V6, V" VB' V12, or V1,) <br /> <br />Cover (CC)' <br /> <br />C = <br />C <br /> <br />(Vg + V14) <br />2 <br /> <br />(V15 + V16 ) <br />X VlO + V13 + <br /> <br />2 <br /> <br />4 <br /> <br />t <br /> <br />HSI determination. <br /> <br />1/3 <br />HSI = (CWQ x CR x CC) <br /> <br />If CWQ' CR' or Cc ~ 0.4, the HSI equals the lowest of the following: <br />CWQ; CR; CC; or the HSI rating from the above equation. <br /> <br />Sample data sets for model 5 are listed in Table 6. <br /> <br />It <br /> <br />35 <br />