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<br />~aximum Water Yield Level (Benchmark tll) <br /> <br />Routt FEIS <br /> <br />This benchmark derives from the s.et of manallement direction which would <br />maximize the production of water. <br /> <br />The land allocation associated with this benchmark is capable of being <br />implemented; meets the requirements of existing laws and regulations for <br />wilderness, wildlife- and water quality and will not impair the long-term <br />productivitv of the land. Policy-type constraints, such as nondeclining <br />flow, specific rotation lengths, and old growth retention guidelines, <br />were not applied, nor were budget or output constraintJ. One exception <br />to th1.s is that timber harvest in the' first decade was constrained to be <br />at least 80 percent of the current level. In subsequent decades, the <br />volume was permitted to fluctuate up or ~own to a level no more than 25 <br />percent of the harvest in the previous decade. <br /> <br />The 50-year average annual output 'of 2,070 MAF defines the upper bound <br />of water yield for all alternatives considered in detail. <br /> <br />Definition of Decision Space <br /> <br />During formulation of alternatives the benchmarks were used to identify <br />the maximum and minimum levels of outputs and expenditures within which <br />alternatives considered in detail must fall to be feasible and imple- <br />mentable. These maximum and minimum levels of outputs And expenditures <br />define the decision space within which th'e attributes of an alternatiVe <br />must be located. Table 11-3 shows the lower and upper bounds of the <br />decision space. <br /> <br />C'9-~ <br />