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<br />3.5.4 <br /> <br />Aquatic Species <br /> <br />. After results of the hydrologic simulations recommended <br />previously are available, the changed stream and lake reghnes should <br /> <br />. <br />be analyzed by competent aquatic biologist to assess the likelihood <br />that they will produce significant ecological change. <br /> <br />This recommendation should be addressed in the same <br />manner as the wildlife recommendations. It is listed separately because <br />the major impact of modifica~ion in this case comes from a different <br />set of variables than with other recommendations. In particular, <br />a major consideration here is the possible change in the water temper- <br />ature regime associated with more snow or longer snowmelt duration. <br />Such temperature changes are known to signi.ficantly influence the <br />aquatic biology. Probable temperature changes will have to be formulated <br />from the results of the evaluation of expected changes in the snowmelt <br /> <br />process. <br /> <br />17 <br />