| 摘要 |
A method for locating and catching fish in which a pH measuring device is lowered from the surface of a body of water constituting a fish habitat. During the lowering of the device, the depth at which the device is located is measured periodically, and the pH of the water at the several measured depths is determined. The several measured depths and the corresponding pH values are compared to determine the rate of change of pH per unit of depth. One or more discrete intervals of depth of the water over which the greatest rates of change of pH occur are identified. Upon completion of the lowering, the pH measuring device is removed from the water. A fish catching device is lowered in the water to a point located from about one to eight feet above a depth interval at which a marked increase in the rate of change of pH in the water has been identified as occurring.
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