Never been to the lake but know a former guide from there. Did the charter boats taking out full loads of people keeping everything they could for years have any effect on the downfall? Like I said I’ve never been there, just asking
The issue is that year 0 fish are not surviving to year 3.
From that issue it is easy to surmise that:
A.) Anglers are not keeping these 1″-10″ fish, especially over the last few years.
B.) Zebs are not eating these 1″-10″ fish.
So no, it was not an angling problem. It was a size, aka slot, management problem that still continues.