Nick Zarlinga
"If we ignore nature.....maybe it'll go away."
----- Original Message -----
From: "Todd Crail" <farmertodd_at_buckeye-express.com>
To: <nanfa_at_aquaria.net>
Sent: Monday, April 07, 2003 10:29 PM
Subject: Re: NANFA-- Quantative Sampling?
> They're hypothesizing that the dam prevents certain species that used to
> migrate the up this stream have been prevented from doing such (walleye,
> white bass, pike, drum, gar, suckers). They would like to see what fauna
> exist above and below the dam in all water stage condition. The student
> feels the species can only make passage in extreme conditions when the
river
> is at such a stage that the dam is submerged under water level, and this
has
> prevent many species from utitlizing an otherwise fine stream nursery.
>
> To test this extreme condition, they felt that sampling the floodplains
> adjacent above and below during flooding might lend an insight into who is
> where when and why. This section of stream used to be nice rocky,
trickling
> brook with intact floodplains. However, someone got the idea to dump the
> University of Toledo and the Village of Ottawa Hills right in around all
> this... So, you know... The usual story... But I'll not villanize them...
> You should see it 6 miles further downstream where it runs right by the
old
> Jeep plant. Yikes. Can you say mercury and arsenic bath?
>
> We already discussed a bit about how stream quality increases the further
> you go upstream... We're going to work around all of that and help his
> student understand that non-point specific pollution is *really* the
factor
> she might hone in on, but more of that later... I wouldn't be abhorrent to
> her getting attention to remove that stinkin' dam anyway :)
>
> Channelized... When I say channelized, I'm talking about attempting to
> straighten and deepen the stream channel so water is more contained to the
> streambed in heavy flow periods (as little to do with flood plains as
> possible), and is rushed out of there as quickly as possible.
>
> Famous examples would be the Mississippi through southern Louisiana or
what
> they call the Los Angeles "River".
>
> Thanks for your questions and interest guys :)
>
> Todd
>
> ----- Original Message -----
> From: "Jay DeLong" <thirdwind_at_att.net>
> To: <nanfa_at_aquaria.net>
> Sent: Monday, April 07, 2003 9:55 PM
> Subject: Re: NANFA-- Quantative Sampling?
>
>
> > >It appears I'm going to be working with a professor and his grad
students
> at
> > >the University of Toledo a sampling study they're doing on the effect
of
> a
> > >low head dam on species distribution (Thank you Dr. Ceas, this could
turn
> > >out *seriously* cool :)
> >
> > Todd,
> > What do you mean by studying the effects of a dam on species
distribution?
> >
> > Second, are they looking at any species in particular?
> >
> > --
> > Jay DeLong
> > Olympia, WA
> --
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-- > /"Unless stated otherwise, comments made on this list do not necessarily > / reflect the beliefs or goals of the North American Native Fishes > / Association" > / This is the discussion list of the North American Native Fishes Association > / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word > / subscribe, unsubscribe, or help in the body (not subject) of an email to > / nanfa-request_at_aquaria.net. For a digest version, send the command to > / nanfa-digest-request_at_aquaria.net instead. > / For more information about NANFA, visit our web page, http://www.nanfa.org /----------------------------------------------------------------------------- /"Unless stated otherwise, comments made on this list do not necessarily / reflect the beliefs or goals of the North American Native Fishes / Association" / This is the discussion list of the North American Native Fishes Association / nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word / subscribe, unsubscribe, or help in the body (not subject) of an email to / nanfa-request_at_aquaria.net. For a digest version, send the command to / nanfa-digest-request_at_aquaria.net instead. / For more information about NANFA, visit our web page, http://www.nanfa.org