• BossDj@lemm.ee
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      2 months ago

      Problem is that predators have learned to wait at the entrance and exit for easier meals

      • thisbenzingring@lemmy.sdf.org
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        2 months ago

        the predator factor is acceptable

        the salmon that make it through will create hundreds of new salmon… even if only half made it beyond the ladder to reproduce, it’s better than none