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<br />Water Quality (CWQ). <br /> <br />~= <br /> <br />2V4 + Vs + V6 + V7 + V. + Vl. <br />7 <br /> <br />If V4, V7, or V. S O.4t CWQ equals the lowest of the following: <br />V4; V7; V.; or the above equation. <br /> <br />Note: If V1. (optional salinity variable) is omitted, <br /> <br />2V4 + Vs + V6 + V7 + V. <br />CWQ = 6 <br /> <br />Reproduction (CR). <br /> <br />CR = (V, x VlO x Vl7)1/3 <br /> <br />Note: Vl7 should be omitted if the lacustrine environment <br />is a natural lake or pond. Thust <br /> <br />CR = (V, x Vlo)1/2 <br /> <br />HSI determination. <br /> <br />1/4 <br />HSI = (CF x Cc x CWQ x CR) <br /> <br />If CWQ or CR S O.4t the HSI equals the lowest of the following: CWQ; <br />CR; or the above equation. <br /> <br />Sources of data and assumptions made in developing the suitability indices <br />are presented in Table 1. <br /> <br />e <br /> <br />16 <br />