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Last modified
7/14/2009 5:02:32 PM
Creation date
5/24/2009 7:32:18 AM
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UCREFRP
UCREFRP Catalog Number
8026
Author
Berry, C., R. Bulkley, D. Osmundson and V. Rosen.
Title
Survival of Stocked Colorado Squawfish with Reference to Largemouth Bass Predation.
USFW Year
1985.
USFW - Doc Type
Logan, Utah.
Copyright Material
NO
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Table 15, Summary of results. from the prey-size preference experiment. <br />Numbers indicate the number of squawfish of a particular size-class <br />eaten by an individual largemouth bass during a seven day period. <br />• bass size small medium large <br />squawfish <br />• size (mm TL) 50-65 75-90 100-120 50-65 75-90 100-120 5o-65 75-90 100-120 <br />week # 1 13 3 0 11 3 .3 8 5 5 <br />2 13 0 0 8 3 0 - - - <br />3 14 0 0 8 4 2 12 2 0 <br />4 9 6 0 11 1 ti 7 6 7 <br />5 12 2 0 9 9 0 3 4 5 <br />Total 61 11 0 47 20 6 30 17 17 <br />percent of <br />total eaten 84.7 15.3 0.0 64.4 27.4 8.2 46.9 26.6 26.6 <br />Table 16. Summary of results from the prey-size preference experiment. <br />Numbers indicate percent of total number of squawfish eaten by an indiv- <br />idual largemouth bass over a seven-day period for each size-class of <br />squawfish. Percents are derived from data in Table 15. <br />bass size small medium large <br />squawfish <br />size (mm TL) 50-65 75-90 100-120 50-65 75-90 100-120 50-65 75-90 100-120 <br />week # 1 81.3 18.8 0.0 64.7 17.6 17.6 44.4 27.8 27.8 <br />2 100.0 0.0 0.0 72.7 27.3 0.0 - - - <br />3 100.0 0.0 0.0 57.1 28.6 14.3 85.7 14.3 0.0 <br />4 6o.0 40.0 0.0 84.6 7.7 7.7 35.0 30.0 35.0 <br />5 85.7 14.3 0.0 50.0 50.0 0.0 25.0 33.3 41.7 <br />Mean percent 85.4 14.6 0.0 65.8 26.2 7.9 47.5 26.4 26.1 <br />21
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