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Electrofishing As A Sampling Method - Example Papers

Electrofishing As A Sampling Method



There are a number of ways to collect fish for management and
research, and there are various methods involving traps and nets to capture
different types of fish and each method has its own advantages and
shortcomings. The technique of electrofishing is perhaps one of the most
useful and effective for projects that require the collection of a
relatively large number of fish. Electrofishing involves the use of DC
current conducted through water to stun fish for collection. It may be
utilized in most aquatic environments. There are two primary adaptations of
this technique: backpack electrofishing, and boat electrofishing.

Backpack Electrofishing

Backpack electrofishing is most ...

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back mounted units can range
anywhere from 100V to over 1000V DC with amperage from 10-60A. Maximum
output power also varies from about 8Kw-70Kw. All backpack units offer the
ability to select different levels of output and some of the more costly
models offer different waveform selection to maximize the efficiency of
battery use. Some models may last only a couple of hours at a medial output
while others incorporate secondary batteries to provide longer periods of
use. Using high-energy pulses of electricity is often preferred to a
constant level of output, although intense pulses may be harmful to smaller
fishes.
Backpack electrofishing units can be somewhat costly; lower end models
having only basic features are priced around $1500. The more elaborate
models can cost in excess of $2000.
When using backpack electrofishing units in an environment such as
a small stream, there are several conventions that may be followed to
enhance the productivity of the technique. Site ...

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Electrofishing As A Sampling Method. (2005, January 14). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Electrofishing-As-A-Sampling-Method/20547
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"Electrofishing As A Sampling Method." Essayworld.com. January 14, 2005. Accessed December 23, 2024. http://www.essayworld.com/essays/Electrofishing-As-A-Sampling-Method/20547.
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PAPER DETAILS
Added: 1/14/2005 09:14:05 AM
Category: Miscellaneous
Type: Premium Paper
Words: 960
Pages: 4

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