adfg.calcTotalCatchAB: Calculate estimated total catch abundance and biomass by...

View source: R/adfg.calcTotalCatchAB.R

adfg.calcTotalCatchABR Documentation

Calculate estimated total catch abundance and biomass by expanding observed abundance

Description

Function to calculate estimated total catch abundance by expanding observed abundance.

Usage

adfg.calcTotalCatchAB(tblMPD, tblObsEff, tblTotEff)

Arguments

tblMPD
  • from call to adfg.extractMPD

tblObsEff
  • from call to adfg.getAtSeaObserverEffort or adfg.calcAtSeaObserverEffort

tblTotEff
  • from call to adfg.getTotalFisheryEffort

Details

Uses sqldf::sqldf. Units for 'weight' are kg, for 'abundance' are thousands, and for 'biomass' are t.

Value

tibble with columns

  • fishery

  • area

  • year

  • potlifts - number of pots fished (total effort)

  • measure pots - number of observed pots (sample effort)

  • expFactor - expansion factor

  • sex - "male", "female", "undetermined", "hermaphrodite", or NA

  • variable - "count", "weight", "abundance", or "biomass"

  • value - value of asociated variable

  • type - "observed" or "expanded"

  • units - "ones", "thousands", "kg" or "t"

Note

Output from this function should be used as a check on abundance/biomass values provided by ADFG (obtained from adfg.Read_TotalCatchABs).


wStockhausen/tcsamFisheryDataADFG documentation built on April 18, 2023, 12:56 p.m.