The proportion in weight of mature and inmature fish in the catch can be computed using catchMature and catchInmature.
Examples
data(ple4)
catchInmature(ple4)
#> An object of class "FLQuant"
#> , , unit = unique, season = all, area = unique
#>
#> year
#> age 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
#> all 11792 12110 20054 25054 23842 21857 22721 25601 31779 41565
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 18240 19683 23468 23484 28266 28470 31956 42319 54747 52910
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 51540 54576 57286 58245 59681 70196 75922 85011 80664 112244
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 111446 114200 72999 62712 53467 49598 46376 37444 35802 39250
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 55499 60331 64730 32075 35524 48878 54410 56284 36520 40576
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 35517 39694 40525 36357 31164 33045 34036 29370 26922 26347
#> year
#> age 2017
#> all 20826
#>
#> units: t
catchMature(ple4)
#> An object of class "FLQuant"
#> , , unit = unique, season = all, area = unique
#>
#> year
#> age 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
#> all 66569 76676 85133 92921 95698 104434 118094 121939 119629 120701
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 136234 130137 122709 113135 112960 120920 119559 115675 110645 122972
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 114303 123590 115366 126446 124812 122243 136710 143254 166407 166985
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 197033 201045 219036 187892 164717 143093 133197 113805 96827 92470
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 96696 110909 105932 113923 92582 94929 99619 83772 78031 71288
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 69253 73702 75177 82467 88555 98827 107019 110380 110417 104870
#> year
#> age 2017
#> all 104095
#>
#> units: t