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Jet sleds/boats destroy redds in the spawning grounds with their turbulent jet wash, scouring the bottom and further burying some of the eggs while ejecting the rest into the stream flow to be eaten. To protect fish, these boats must be restricted from the spawning grounds.
Last edited by Mean Mr Mustard; 03-24-2019 at 02:11 PM.
Reason: I posted an improper link not knowing it is verbotten. Sorry folks, newbie mistake.