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MECHANICAL FISH CONTROL <br />ELECTROFISHING <br />TYPES <br />BOAT ELECTROSHOCKERS <br />PORTABLE ELECTROSHOCKERS <br />BACKPACK UNITS <br />BATTERY POWERED <br />GASOLINE POWERED GENERATORS <br />ADVANTAGES <br />ACTIVE TYPE OF GEAR THAT DOES NOT <br />. DEPEND UPON FISH MOVEMENT <br />CAN COLLECT FISH ALIVE FOR STOCKING ELSEWHERE <br />DISADVANTAGES <br />SELECTIVE PRIMARILY DUE TO ANATOMY, <br />BEHAVIOR AND WATER TEMPERATURE <br />USUALLY EFFECTIVE ONLY IN SHALLOW, CLEAR WATER <br />SAMPLING AREA DEPENDS UPON <br />POWER DENSITY OF ELECTRICAL FIELD <br />n