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AGFC to begin stocking
Florida bass into Brushy Creek |
ARKADELPHIA
- The Fisheries Division of the Arkansas Game and Fish Commission is
planning to roll out a new project to introduce Florida-strain
largemouth bass into the Brushy Creek arm of DeGray Lake this summer.
The project calls for an intensive stocking of fingerling bass over an
eight-year period into the 900-acre lake arm, according to AGFC chief of
fisheries Mike Armstrong. "We'll do before and after evaluations to
determine genetic introgression of the Florida genes into the resident
bass population and resultant changes on bass growth rates and size
structure," Armstrong explained. "The goal is to increase the individual
size of bass being caught without incorporating more restrictive harvest
regulations," he added.
Armstrong said
the stocking will begin this June. "We will start collecting fish from
DeGray in March to determine the genetic makeup, growth rates and other
population metrics of the existing bass population before introducing
the new Florida bass," he said.
Armstrong
noted that the agency in the past has resisted stocking Florida-strain
bass into large, clear, upland reservoirs like DeGray Lake due to the
need to stock large numbers every year to effect a lake-wide change in
the bass population. "Recent research emerging from Alabama and Texas
has demonstrated that heavy localized stocking into an arm of a lake can
deliver the desired genetic introgression within a fairly local area of
the lake. This project will test that idea over a eight-year period in
DeGray," he said.
DeGray was chosen because it is the southern most lake of the large U.S.
Army Corps of Engineers reservoirs, it contains the aquatic vegetation
habitat preferred by Florida-bass, and it is the smallest of the Corps'
hydropower reservoirs. "We deliberately chose not to use Lake Ouachita
since we are already trying to establish Tennessee-strain smallmouth
bass into that lake, and it has been suffering from a relatively poor
forage crop," Armstrong said. |
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