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A comment on Pre-Inca canal system uses hillsides as sponges to store water. Parent comment

Re:Pre-Inca canal system uses hillsides as sponges to store ... by CameronNemo on Monday January 06, 2020 @08:12PM (#21975666)
If there are fish in the river at all, the biological diversity could be limited by the inability for those fish to wander beyond their side of the dam. I am not sure if there are salmonid fish there, or other fish that require swimming upstream to reproduce. I would doubt it that far inland.
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Re:Pre-Inca canal system uses hillsides as sponges to store ... by soperj on Monday January 06, 2020 @11:28PM (#21976835)
You'd be surprised. They used to go as far inland as idaho.
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