FLStodck biomass metrics
Examples
data(ple4)
# SSB at spawning time
ssb(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 342223 355375 362119 380052 391386 482245 440658 430475 383583 404516
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 473938 458977 402865 370472 361610 366129 302365 298094 301757 328726
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 329116 327544 302271 319090 290780 284211 339238 367251 394666 407972
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 470952 424696 448230 396458 356947 311431 279962 233481 222203 203391
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 204948 237863 219149 230902 234211 221902 248312 233478 253737 284447
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 293330 371837 453026 554245 575459 617539 709948 823276 774157 836453
#> year
#> age 2017
#> all 913290
#>
#> units: t
# SSB at end of time step (year)
ssb_end(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 280554 291336 296865 311566 320857 395344 361251 352903 314461 331621
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 388534 376269 330268 303713 296448 300152 247878 244377 247380 269489
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 269809 268520 247801 261589 238381 232996 278107 301072 323546 334455
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 386086 348165 367459 325016 292625 255311 229512 191408 182162 166740
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 168016 194999 179658 189293 192006 181915 203566 191405 208013 233189
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 240472 304831 371390 454369 471760 506257 582014 674921 634653 685723
#> year
#> age 2017
#> all 748714
#>
#> units: t
# SSB at start of time step (year)
ssb_start(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 342223 355375 362119 380052 391386 482245 440658 430475 383583 404516
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 473938 458977 402865 370472 361610 366129 302365 298094 301757 328726
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 329116 327544 302271 319090 290780 284211 339238 367251 394666 407972
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 470952 424696 448230 396458 356947 311431 279962 233481 222203 203391
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 204948 237863 219149 230902 234211 221902 248312 233478 253737 284447
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 293330 371837 453026 554245 575459 617539 709948 823276 774157 836453
#> year
#> age 2017
#> all 913290
#>
#> units: t
# Vulnerable biomass at start of time step (year)
vb(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 298568 322796 348338 374391 393937 442448 396140 367390 354946 442995
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 461854 453073 408956 382786 391648 377091 309240 319719 376574 423624
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 434357 424366 379396 353337 308942 342912 405810 459944 494812 551998
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 613625 598865 523168 438959 378675 332984 307925 263198 253165 231755
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 247161 270252 271272 224733 252989 267745 271234 294289 280962 304803
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 277946 339063 445309 521004 493669 476897 543880 623671 530886 503358
#> year
#> age 2017
#> all 460610
#>
#> units: NA
# Exploitable biomass at start of time step (year)
exb(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 299469 321906 361483 396857 410927 416469 404582 376864 399309 492220
#> year
#> age 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
#> all 500361 484571 458718 429971 445216 425793 379705 373232 412069 474675
#> year
#> age 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
#> all 454316 458942 402082 385826 368258 401543 453128 498126 542582 580248
#> year
#> age 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
#> all 635067 655903 592328 495035 418033 363958 344964 301632 270150 252101
#> year
#> age 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
#> all 249779 280817 311273 265536 253850 280453 284588 313860 311232 324276
#> year
#> age 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
#> all 306880 381386 490461 563606 569810 582287 619392 647453 657521 617996
#> year
#> age 2017
#> all 559422
#>
#> units: NA