This SPM is much lower than the optimal value of 0.96, indicating a very inefficient allocation of water. However, this allocation is optimal if w1 = 0.955 and w1 = 0.45, since for this set of weights

For every allocation of water there is a set of weights that makes that allocation optimal, and the weights are equal for only one of these allocations. In general, a restoration involving more than one ecosystem will likely involve unequal preferences unless an attempt is made to equalize preferences.

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