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Welcome to the technical sessions schedule for the 2015 SEAFWA Annual Meeting.

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Monday, November 2 • 4:00pm - 4:20pm
Temporal Patterns of Angler Use and Mortality of Stocked 229-mm Channel Catfish in Twenty Small Texas Impoundments

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Charles Munger, Lynn Wright, John Dennis, John Moczygemba, Mike Gore, Dennis Smith –Texas Parks and Wildlife Department

The study was conducted on 20 selected lakes in Texas between 0.4 and 4.0 ha with 10 located in urban environments and the other 10 in rural locations. Lakes were stocked with adipose-clipped channel catfish (Ictalurus punctatus) and surveyed with baited hoop nets. Angler effort was estimated using game cameras. Urban angling effort was significantly higher than rural angling effort overall and by season except for summer. Winter had the lowest angling effort. Angling effort indicated a stocking effect where angler effort declined significantly two weeks following stocking. Hoop net catch rate was not significantly different between urban and rural lakes. Five of the lakes had no recaptures of any stocked channel catfish and five lakes had stocked fish essentially disappear within 4 months of stocking. There was no significant difference in mortality rates or condition indices between rural and urban channel catfish. Angling effort was lowest on lakes with no survival and lakes with six month survival and highest on lakes where stocked fish disappeared within the six month target period indicating anglers may be removing these fish from the population. The 229-mm channel catfish stocking program is providing angler opportunity in Texas. Management options are presented concerning the statewide stocking program.

Monday November 2, 2015 4:00pm - 4:20pm EST
Ballroom Salon A

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