'Data'An object for storing data for analysis using data-limited methods
NameThe name of the case-study
YearA vector of years that correspond to catch and relative abundance data
CatTotal annual catches
IndRelative abundance index
tThe number of years corresponding to AvC and Dt
AvCAverage catch over time t
DtDepletion over time t e.g. Bnow/Bthen
MLMean length time series
MortNatural mortality rate
FMSY_MAn assumed ratio of FMSY to M
BMSY_B0The most productive stock size relative to unfished
L50Length at 50 percent maturity
L95Length at 95 percent maturity
LbarMean length of catches over Lc (modal length)
LcModal length
LFCLength at first capture
LFSsmallest Length at full selection
CAACatch at Age data
DepStock depletion Bnow/Bunfished (total stock)
AbunAn estimate of absolute current vulnerable abundance
SpAbunAn estimate of absolute current spawning stock abundance
vbKThe von Bertalanffy growth coefficient
vbLinfMaximum length
vbt0Theoretical age at length zero
LenCVCoefficient of variation of length-at-age (assumed constant for all age classes)
wlaWeight-Length parameter alpha
wlbWeight-Length parameter beta
steepSteepness of the Beverton Holt stock-recruitment relationship
CV_CatCoefficient of variation in annual catches
CV_DtCoefficient of variation in depletion over time t
CV_AvCCoefficient of variation in average catches over time t
CV_IndCoefficient of variation in the relative abundance index
CV_MortCoefficient of variation in natural mortality rate
CV_FMSY_MCoefficient of variation in the ratio in FMSY/M
CV_BMSY_B0Coefficient of variation in the position of the most productive stock size relative to unfished
CV_DepCoefficient of variation in current stock depletion
CV_AbunCoefficient of variation in estimate of absolute current stock size
CV_vbKCoefficient of variation in the von Bert. k parameter
CV_vbLinfCoefficient of variation in maximum length
CV_vbt0Coefficient of variation in age at length zero
CV_L50Coefficient of variation in length at 50 per cent maturity
CV_LFCCoefficient of variation in length at first capture
CV_LFSCoefficient of variation in length at full selection
CV_wlaCoefficient of variation in weight-length parameter a
CV_wlbCoefficient of variation in weight-length parameter b
CV_steepCoefficient of variation in steepness
sigmaLAssumed observaton error of the length composition data
MaxAgeMaximum age
UnitsUnits of the catch/absolute abundance estimates
RefA reference quota level
Ref_typeIts type
LogA log of events
paramsA place to store estimated parameters
PosMPsThe methods that can be applied to these data
MPsThe methods that were applied to these data
OMA table of operating model conditions
ObsA table of observation model conditions
TACThe calculated TAC
TACbiasThe known bias in the calculated TAC
SenseThe results of the sensitivity analysis
CAL_binsThe length bins for the catch-at-length data
CALCatch-at-length data
CrefReference or target catch level
IrefReference or target relative abundance index level
BrefReference or target biomass level
CV_CrefCV for reference or target catch level
CV_IrefCV for reference or target relative abundance index level
CV_BrefCV for reference or target biomass level
CV_RecCV for recent recruitment strength
RecRecent recruitment strength
MPrecThe previous recommendation of a management proceedure
MPeffThe current level of effort
LHYearThe last historical year of the simulation (before projection)
nareasNumber of fishing areas
MiscOptional list which is passed to MPs
Objects can be created by calls of the form
new('Data', stock)
# NOT RUN {
newdata<-new('Data')
# }
Run the code above in your browser using DataLab