[AT] OT- Fish Kill

[Bob McNitt]

Warren -

Having worked with fisheries pros over the years in my outdoor editor 
capacity, I'd guess the abundance of dying vegetation depleted the dissolved 
oxygen, and because the density of sunfish was so high, many just 
suffocated.
Bob in CNY

----- Original Message ----- 
From: "Mogrits" <mogrits at gmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, March 15, 2009 6:38 PM
Subject: Re: [AT] OT- Fish Kill


> The "blue dye" John Hall mentions is copper sulfate and we've used it
> in the past to kill vegetation in the summer months. The pond never
> freezes over hard in winter but it did freeze a couple times this
> winter.
>
> I've googled and the verdict for winter fish kills is decaying
> vegetation. Nothing to be done about it really, unless I did some
> emergency aeration with pumps and diffusers. It fits the bill- there
> is a lot of grass decaying right now that's never been there before.
>
> We use no pesticides or fertilizers that could come into play here- I
> hesitate to even use roundup nearby if there's any threat of rain.
>
> Luckily, the kill seems to be the smaller bluegill and no largemouth
> bass. We are overpopulated with bluegill anyway and they are stunting
> the bass. Besides smelling bad for a few days the biggest downside is
> keeping my yellow lab from retrieving the rancid carcasses and
> bringing them to the doorstep.
>
> On the plus side, if the snapping turtles do their job this could be a
> big summer for turtle stew.
>
> Warren
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