| Adult_Females {gbm.auto} | R Documentation |
Data: Numbers of 4 adult female rays caught in 2137 Irish Sea trawls, 1994 to 2014
Description
2137 capture events of adult female cuckoo, thornback, spotted and blonde rays in the Irish Sea from 1994 to 2014 by the ICES IBTS, including explanatory variables: Length Per Unit Effort in that area by the commercial fishery, depth, temperature, distance to shore, and current speed at the bottom.
Usage
data(Adult_Females)
Format
A data frame with 2137 rows and 13 variables:
- Longitude
Decimal longitudes in the Irish Sea
- Latitude
Decimal latitudes in the Irish Sea
- Haul_Index
ICES IBTS area, survey, station, and year
- F_LPUE
Commercial fishery LPUE in Kg/Hr
- Depth
Metres, decimal
- Temperature
Degrees, decimal
- Salinity
PPM
- Distance_to_Shore
Metres, decimal
- Current_Speed
Metres per second at the seabed
- Cuckoo
Numbers of cuckoo rays caught, standardised to 1 hour
- Thornback
Numbers of thornback rays caught, standardised to 1 hour
- Blonde
Numbers of blonde rays caught, standardised to 1 hour
- Spotted
Numbers of spotted rays caught, standardised to 1 hour
Author(s)
Simon Dedman, simondedman@gmail.com