Colleagues of mine use electrofishing at conductivity values of
approx. 1000 miSi. They reduce the length of the "Kathode" by tying
it into a knot. The electric field you get is smaller, but
still effetive. They use a normal fuel-driven electrofishing gear.
Hope, this helps.

Irene

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Irene Zweimueller            e-mail: [log in to unmask]
Inst. of Zoology            phone:  ++43 1 31 336 1337 or 1342
Dept. of Limnology          fax:    ++43 1 31 336 778
Althanstr. 14
A-1090 Wien
AUSTRIA - EUROPE

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