Explanation of columns for Trawl duration experiment data set by Battaglia et al. Stations.csv: "StationNo" Station number "Date" Date "HaulDuration_min" Haul duration category (0 or 30 mins) "Speed_knots" Trawling speed in knots "LatShoot" Latitude at trawl shooting "LatHaul" Latitude at trawl hauling "LongShoot" Longitude at trawl shooting "LongHaul" Longitude at trawl hauling "DistanceTrawled_m" Distance trawled in m, calculated as straight line between shoot and haul position "Direction" Direction of haul "MeanDepth_m" Mean bottom depth in m "Gear" Gear type "MeshSize_Net1_mm" Codend mesh size in net 1 "MeshSize_Net2_mm" Codend mesh size in net 2 "HorizontalOpening_Net1_m" Mean horizontal trawl opening for net 1 "HorizontalOpening_Net2_m" Mean horizontal trawl opening for net 2 "VerticalOpening_Net1_m" Mean vertical trawl opening for net 1 "VerticalOpening_Net2_m" Mean vertical trawl opening for net 2 "WarpLengthStarbord_m" Warp length in m on starboard side "WarpLengthPortside_m" Warp length in m on port side "TempSurv" Surface temperature in °C Catch.csv: "StationNo" Station number "Net" Net number (twin trawl) "Species" Latin species name "TotalWeight" Total weight in kg "TotalNumber" Total number SizeMeasurements.csv: "StationNo" Station number "Net" Number of net (there are two nets) "Species" Latin name "Sex" F female M male I juvenile (sex not identifiable) "Length" Total length in cm "Number" Number of individuals per cm class raised to haul