Serious Decline Brook Trout Population Wisconsin Driftless

LenH
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Serious Decline Brook Trout Population Wisconsin Driftless

Unread postby LenH » Thu Aug 04, 2011 3:11 am

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I have been talking to lots of anglers. Couple being guides and others being hard core anglers.

ALL of them have seen the exact same thing as I have.

The population of brook trout has taken a serious decline in the last 2 years.


I have done an informal testing of the streams that I typically catch brook trout in. I see a 70 percent decline in the brook trout population. In 9 of 10 of my brook trout streams I have found gill lice. The biologists and trout experts I talked to say that gill lice alone can not decimate a population of brook trout but gill lice and other factors can. The other factors being floods, over population, and long periods of excessive heat.

Brook trout and rainbows are hosts to gill lice not browns. Gill lice are not harmful to humans.

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Below is Wisconsin's Department Of Natural Resources lead "Trout Expert" contact info

Matthew G. Mitro, Ph.D.
Fisheries Research Scientist
Wisconsin DNR Bureau of Science Services
2801 Progress Road
Madison WI 53716-3339
608-221-6366
Matthew.Mitro@Wisconsin.gov


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Black Squirrel
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Re: Serious Decline Brook Trout Population Wisconsin Driftle

Unread postby Black Squirrel » Thu Aug 04, 2011 4:00 am

I would think all this heat WI has been getting, has got to have taken a toll on a lot of fish.
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Hodag Hunter
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Re: Serious Decline Brook Trout Population Wisconsin Driftle

Unread postby Hodag Hunter » Thu Aug 04, 2011 4:17 am

I hear guys talk about low water and the heat for low number of trout in northern wi. Maybe the gill lice thing is an issue here also?

I'm not really a trout fisherman so don't have first hand knowledge.....just what some guys tell me from time to time.


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