Adult_Females: Data: Numbers of 4 adult female rays caught in 2137 Irish Sea...

In SimonDedman/gbm.auto: Automated Boosted Regression Tree Modelling and Mapping Suite

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, [e-mail]

Source

http://datras.ices.dk

SimonDedman/gbm.auto documentation built on Feb. 9, 2024, 5:12 p.m.