raw.sgulf: Raw Southern Gulf of St. Lawrence Raw data set for the...

Description Usage Format


Raw Southern Gulf of St. Lawrence

Raw data set for the Southern Gulf of St. Lawrence bottom trawl survey




A dim = 180583 x 28 data.table data.frame:

[,1] stratum integer the statistical stratum of the haul
[,2] vessel character vessel ID
[,3] cruise integer cruise ID
[,4] set integer insert_description_here
[,5] year integer year of haul
[,6] species integer the species name of the species
[,7] catch numeric cleans up to cntcpue, number of individuals caught per hectare in the haul
[,8] biomass numeric cleans up to wtcpue, weight (mass) of the catch
[,9] month integer insert_description_here
[,10] day integer insert_description_here
[,11] expt integer insert_description_here
[,12] time integer starting time of the tow
[,13] temperature numeric insert_description_here
[,14] depthst integer insert_description_here
[,15] depthend integer insert_description_here
[,16] dtow numeric insert_description_here
[,17] depth numeric the maximum depth of the water at the location of the haul
[,18] latitude numeric cleans up to lat, latitude of the haul
[,19] longitude numeric cleans up to lon, longitude of the haul, in western hemisphere degrees (for lon > 0, do lon-360)
[,20] latin_name character cleans up to spp, species scientific name; Genus species
[,21] name character cleans up to common, the common name of the organism sampled
[,22] N integer cleans up to cnt, number of individuals in the whole net (may be extrapolated)
[,23] kg numeric cleans up to weight, the weight (mass) of all items in the net (may be extrapolated)
[,24] t_surface numeric cleans up to stemp, water temperature at the surface at the location of the haul
[,25] salin_bottom numeric cleans up to bsalin, bottom salinity
[,26] t_bottom numeric cleans up to btemp, water temperature at the bottom at the location of the haul
[,27] trawlableunits integer insert_description_here
[,28] stratarea numeric cleans up to stratumarea, the area of the statistical stratum (km2)

rBatt/trawlData documentation built on July 19, 2018, 1:26 a.m.