Quote:
Originally Posted by Sundancefisher
I take it you are referring to regular mixed species lakes with large perch.
The perch could be under pressure from people or other predators.
Depending upon the reason and the fishing pressure it could take some time to build back populations.
If the lake is not in balance for predators and prey, it may never get back.
Such lakes really need more lake specific management plans.
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This ^^^
And other factors like winter kill or changes in water levels also play a roll. Another to consider has there been a change in available forage
Simply yes they can recover if the conditions are in the favor of the perch. Often fishing is not the only factor in a decline