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 no

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.