. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. BARBED AND BARBLESS HOOK EFFICIENCY 113 20 15 o o o 0) n E 3 ^ 10 X o »- cm FL) Sublegal (< cmFL). FEB MAR APR MAY JUNE JULY AUG SEP OCT NOV MONTH FIGURE 4. Estimated 1984 San Francisco Bay area charterboat chinook salmon catch by month. have been atypical during 1984, since these fish had reduced growth rates during 1983 when warm water (El Nino) conditions prevailed (Pacific Fishery Manage- ment Council 1984). Thus, recr
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. BARBED AND BARBLESS HOOK EFFICIENCY 113 20 15 o o o 0) n E 3 ^ 10 X o »- cm FL) Sublegal (< cmFL). FEB MAR APR MAY JUNE JULY AUG SEP OCT NOV MONTH FIGURE 4. Estimated 1984 San Francisco Bay area charterboat chinook salmon catch by month. have been atypical during 1984, since these fish had reduced growth rates during 1983 when warm water (El Nino) conditions prevailed (Pacific Fishery Manage- ment Council 1984). Thus, recruitment to the sportfishery may have been delayed. Assuming a shaker hooking mortality rate of 30% (Wright 1970), the estimat- ed 1984 shaker mortality was about 5,500 for the San Francisco charterboat fleet, which is only of the total 1984 San Francisco sport and commercial landing of 237,500 legal-sized fish. The actual shaker mortality rate, however, was proba-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game. [San Francisco, etc. ] State of California, Resources Agency, Dept. of Fish and Game
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