. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ANGLING AT FOLSOM LAKE 85 Catfish angler success showed a minor peak in Ai)i-il when a catch per hour of was recorded and a major peak in Au<?usl and Sep- tember when catch rates reached OM and respedivcK. Aii-ln- use fluctuated considerably reacliiiig a ])eak in August wlien an aver- age of anglers per weekend census day were contacted (Figure 7). .50-1 -40- ,20- i; Mean number anglers checked per weekend cen
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ANGLING AT FOLSOM LAKE 85 Catfish angler success showed a minor peak in Ai)i-il when a catch per hour of was recorded and a major peak in Au<?usl and Sep- tember when catch rates reached OM and respedivcK. Aii-ln- use fluctuated considerably reacliiiig a ])eak in August wlien an aver- age of anglers per weekend census day were contacted (Figure 7). .50-1 -40- ,20- i; Mean number anglers checked per weekend census doy /' Catch per angler hour '. Jon Feb Mar Apr May June July Aug Sept Oct Nov Dec 25 20! 15 S â o 10 FIGURE 7. Seasonal trends in catch rate and efFort for white catfish, brown bullhead, black bullhead, and channel catfish at Folsom Lake, 1962, by anglers using relatively efficient angling methods. The Rainbow Trout Fishery Unfortunately, no single angler category or grouj) of categories prop- erly depict angling quality for rainbow trout. Ti-ollers were most suc- cessful with a catch rate of rainbow ti-out per hour as o]iposed to a catch rate of for all anglers. I>ass dominated the troll eatch, however, and it appears probable that a significant percentage of trollers were fishing specifically for centrarchids (Appendix I). Catch rates for trout were low throughout the year, and their eontribntion to the catch was minor. DISCUSSION Census Methodology While the census procedures employed at Folsom Lake ]iroduced generally satisfactory results, there were ways in which the quality of the data obtained could have been improved. Trollers should have been asked whether they were fishing for trout or bass. The addition of this feature to the census would probably have produced a body of data descriptive of the trout fishery as well as enhancing the material depict- ing angling quality for bass. The techniques' employed for measuring fish could also have been imp
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