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Green Castle lake renovations continue

July 20, 2013
By GARRY BRANDENBURG , Times-Republican

FISHERIES MANAGEMENT can be complicated exercise to balance various fish species populations. A typical farm pond stocking of bluegill, largemouth bass and channel catfish seems to take care of the situation. Larger bodies of water, as in Green Castle's 16 surface acres, may also benefit from other predator fish like northern and walleye. Periodic electro-shocking surveys are conducted to sample the total lake. A survey will typically find lots of bluegill of various age classes, and the same for bass. When the sample size is large enough, fisheries biologist Paul Sleeper can make fairly accurate inferences about the big picture of the health and vitality of the lake.



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