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… in that cycle and the many historical, social, ecological, economic and political circumstances that … substantially undiminished in volume and un-altered in character. The question whether a particular extraordinary … not quantified it is difficult to make provision for the ecological requirements of rivers. The mere quantification of …

… development and land conversions have also had ecological impacts on watersheds, water temperatures and … of past water development efforts and ongoing shifts in ecological, social and political forces have changed the … goods, common pool resources or club goods. Once their character is identified, the discussion turns to the …