List of frequency studies for Engraulis ringens
Locality Year
from - to
Sex Gear Frequency type
Callao, Peru 1961 - 1965 unsexed/mixed  various gears  absolute number measured 
Chimbote, Peru 1961 - 1965 unsexed/mixed  various gears  absolute number measured 
Los Banos, Philippines 1989 - 1990 unsexed/mixed  gillnets  absolute number measured 
Northern / Central stock, Peru 1953 - 1953 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1955 - 1955 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1956 - 1956 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1957 - 1957 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1954 - 1954 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1958 - 1958 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1959 - 1959 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1960 - 1960 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1961 - 1961 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1962 - 1962 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1963 - 1963 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1964 - 1964 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1965 - 1965 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1966 - 1966 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1967 - 1967 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1968 - 1968 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1969 - 1969 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1970 - 1970 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1971 - 1971 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1972 - 1972 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1973 - 1973 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1974 - 1974 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1975 - 1975 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1976 - 1976 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1977 - 1977 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1978 - 1978 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1979 - 1979 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1980 - 1980 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1981 - 1981 unsexed/mixed  various gears  % of sample 
Northern / Central stock, Peru 1982 - 1982 unsexed/mixed  various gears  % of sample 
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