Biologist reports logo Kahle Lake

Clarion/Venango Counties
Week of April 25, 2005

Sampling Technique – Trap Netting


Kahle Lake is a 251 acre reservoir owned by the Pennsylvania Fish & Boat Commission and managed for recreational fishing. The reservoir straddles the Clarion/Venango county line and has two boat launches with ample parking. Motorized boats are restricted to electric motors only. The PFBC stocks the lake annually with tiger muskellunge and walleye fingerlings. The lake is enrolled in our Big Bass Program.

Tiger musky
Fisheries Technician Tim Wilson with 48 inch Tiger Musky

Staff from the Fisheries Management offices in Tionesta and Linesville performed a trapnet survey in Kahle Lake during the week of April 25, 2005. We set ten nets for 4 nights each for a total of 40 sets and 943.95 hours of trapnet effort. The Kahle Lake survey is part of a statewide evaluation of our Panfish Enhancement regulations and so was sampled with trapnets in 2003 and 2005 and will be sampled again in 2007. Although Kahle Lake does not currently have Panfish Enhancement regulations, it is being used as a comparison lake for those that do have the regulations or what is called a control in experiments.

Walleye
Area Fisheries Manager Allen Woomer holds a 29 inch walleye

Comparing the 2005 trapnet catch to the 2003 trapnet catch shows black crappie, pumpkinseeds, white suckers and golden shiners increased since 2003, but all other species have decreased since 2003. In 2003, all the panfish populations were dominated by a very large year class from 1998 that provided excellent fishing through 2004. This dominant year class has now passed from Kahle Lake and panfish densities and size structures in 2005 are not as good as they were in 2003. That being said, Kahle Lake still provides good opportunities to catch nice size sunfish, crappies and perch and the largemouth bass fishery remains excellent (see Kahle Lake Report from October 2004).

Perch and crappies
A 12 inch yellow perch and some 8 – 9 inch crappies

Table 1. Summary of fish captured by trapnets in Kahle Lake during the week of April 25, 2005.

Fish Species Number Captured Size Range (inches)
Tiger Muskellunge 5 31 - 48
Walleye 9 19 – 29
Largemouth Bass 18 5 – 22
Bluegill 1,058 3 – 9
Pumpkinseed 439 4 – 9
Black Crappie 850 2 – 13
Yellow Perch 444 3 – 12
Brown Bullhead 76 11 – 16
Yellow Bullhead 15 8 – 15
White Sucker 355 12 – 24
Golden Shiner 104 3 – 10
Creek Chub 1 4

Largemouth bass
Fisheries Technician Freeman Johns with 22 inch largemouth bass

 
-- Tim Wilson, Area 2 Fisheries Technicain

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