The survey biomass indices for the focal species within the mskeyrun project from the Bigelow era
Source:R/surveyIndexHB.r
surveyIndexHB.RdSurvey data comes from Northeast Fisheries Science Center's Bottom Trawl
Survey. Indices are calculated using the Survdat R package. This data
set covers the Bigelow era of the bottom trawl survey from 2009 to 2019.
No calibration factors have been applied for the change from Albatross IV to
Bigelow. Data from the Albatross era (1968 - 2008) are in a separate data set
(surveyIndexA4). This data only covers the focal species of the MS Keyrun
Project. For an expanded data set see surveyIndexHBAll.
See also
Other surveyIndex
- YEAR
year survey conducted
- SVSPP
Survey Species Code see
focalSpecies- SEASON
Season the survey was conducted
- variable
stratified biomass or abundance (strat.biomass/strat.abund), variance (biomass.var/abund.var), or standard error (biomass.SE/abund.SE)
- value
value of the variable
- units
units of the variable
:
surveyIndexA4All,
surveyIndexA4,
surveyIndexAll,
surveyIndexHBAll,
surveyIndex