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<blockquote data-quote="Norske" data-source="post: 153373" data-attributes="member: 409">1.&nbsp; Biologists typically measure fish populations in #/acre.&nbsp; So five 2# fish = one 10# fish.&nbsp; 2.&nbsp; Small lakes are easy to &quot;fish out.&quot;&nbsp; Does anyone else recall the big bluegills from Brush Lake?&nbsp; That lasted only about a season.&nbsp; MN is full of lakes with panfish-sized game fish.&nbsp; Blame angler pressure.&nbsp; 10,000 lakes/millions of anglers = 5000 fish&nbsp; ;&lt;)3. Big lakes, like Jason's home lake of Devils Lake, can suffer a combination of the first two comments in this reply.&nbsp; It's value as a trophy pike lake is diminishing according to John Candle a couple years ago at the Fargo Sportsman's show.&nbsp; Trophy walleye are also loosing numbers.4.&nbsp; I personally don't keep any walleye between 3# and 10# (still waiting for that wall hanger 10).&nbsp; It's a taste thing.&nbsp; The valuable spawners are those about 4&gt;7#.&nbsp; Big walleye produce a much lower % of fertile eggs, small ones don't produce high numbers of eggs.&nbsp; Male fish don't limit themselves to fertilizing the eggs of a single female.I'm prejudiced, I earned a MS degree in fisheries biology in June of 1978.</blockquote>

[QUOTE="Norske, post: 153373, member: 409"] 1. Biologists typically measure fish populations in #/acre. So five 2# fish = one 10# fish. 2. Small lakes are easy to "fish out." Does anyone else recall the big bluegills from Brush Lake? That lasted only about a season. MN is full of lakes with panfish-sized game fish. Blame angler pressure. 10,000 lakes/millions of anglers = 5000 fish ;<) 3. Big lakes, like Jason's home lake of Devils Lake, can suffer a combination of the first two comments in this reply. It's value as a trophy pike lake is diminishing according to John Candle a couple years ago at the Fargo Sportsman's show. Trophy walleye are also loosing numbers. 4. I personally don't keep any walleye between 3# and 10# (still waiting for that wall hanger 10). It's a taste thing. The valuable spawners are those about 4>7#. Big walleye produce a much lower % of fertile eggs, small ones don't produce high numbers of eggs. Male fish don't limit themselves to fertilizing the eggs of a single female. I'm prejudiced, I earned a MS degree in fisheries biology in June of 1978. [/QUOTE]

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