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Subject: biomanipulation/land management
From: Jon Eynon <[log in to unmask]>
Reply-To:Academic forum on fisheries ecology and related topics <[log in to unmask]>
Date:Tue, 22 Apr 1997 11:07:34 -0500

text/plain (29 lines)

--Quick question--

If you, as a fisheries biologist, had to manage a reservoir with a severe
phosphorous load problem that was causing a boom in smalll zooplankton and
therefore gizzard shad production, what techniques would you deam most

1. Siltation traps on incoming streams, reducing siltation and P load.
2. Educate land owners on the lakes shores about proper land management.
3. Introduce a large number of piscivores (ie. hybrid stripers) in an
effort to try top down bio-manipulation.
4. Reduce number of roads being built through the watershed in an effort to
reduce runoff.

In your opinion, if all of those techniques put together could not equal
over %100, what percentage of effort would you put into each one?  In other
words, which one is the most important and by how much? How about any other
techniques I did not mention?

Thanks for you help.

A starving grad student,


Jon Eynon
Graduate Student
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