grids: Data: Explanatory variables for rays in the Irish Sea

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

Data: Explanatory variables for rays in the Irish Sea

Description

A dataset containing explanatory variables for environment, fishery and predators of rays including juveniles in the Irish Sea.

Usage

data(grids)

Format

A data frame with 378570 rows and 43 variables:

Longitude

Decimal longitudes in the Irish Sea

Latitude

Decimal latitudes in the Irish Sea

Depth

Metres, decimal

Temperature

Degrees, decimal

Salinity

PPM

Current_Speed

Metres per second at the seabed

Distance_to_Shore

Metres, decimal

F_LPUE

Commercial fishery LPUE in Kg/Hr

Scallop

Average KwH Scallop effort from logbooks, Marine Institute and MMO combined

MI_Av_E_Hr

Average effort hours, Marine Institute Scallop VMS, 0.03 x 0.02 rectangles, all Irish Sea, 2006-14

MI_Av_LPUE

Average scallop CPUE, Marine Institute Scallop VMS, 0.03 x 0.02 rectangles, all Irish Sea, 2006-14

MI_Sum_Liv

Sum of live weight. Average scallop CPUE, Marine Institute Scallop VMS, 0.03 x 0.02 rectangles, all Irish Sea, 2006-14

Whelk

MMO Whelk LPUE 2009-12, pivot, polygons to points

MmoAvScKwh

MMO Scallop Effort 2009-12, pivot, polygons to points. ICES rectangles

HubDist

map calc, distance of grid point to nearest datras point representing it (for preds)

Cod_C

ICES IBTS CPUE of cod caught between 1994 - 2014 large enough to predate upon <= year 1 cuckoo rays

Cod_T

As Cod_C for yr1 thornback rays

Cod_B

As Cod_C for yr1 blonde rays

Cod_S

As Cod_C for yr1 spotted rays

Haddock_C

As Cod_C, haddock predating upon cuckoo rays

Haddock_T

As Cod_C, haddock predating upon thornback rays

Haddock_B

As Cod_C, haddock predating upon blonde rays

Haddock_S

As Cod_C, haddock predating upon spotted rays

Plaice_C

As Cod_C, plaice predating upon cuckoo rays

Plaice_T

As Cod_C, plaice predating upon thornback rays

Plaice_B

As Cod_C, plaice predating upon blonde rays

Plaice_S

As Cod_C, plaice predating upon spotted rays

Whiting_C

As Cod_C, whiting predating upon cuckoo rays

Whiting_T

As Cod_C, whiting predating upon thornback rays

Whiting_B

As Cod_C, whiting predating upon blonde rays

Whiting_S

As Cod_C, whiting predating upon spotted rays

ComSkt_C

As Cod_C, common skate predating upon cuckoo rays

ComSkt_T

As Cod_C, common skate predating upon thornback rays

ComSkt_B

As Cod_C, common skate predating upon blonde rays

ComSkt_S

As Cod_C, common skate predating upon spotted rays

Blonde_C

As Cod_C, blonde ray predating upon cuckoo rays

Blonde_T

As Cod_C, blonde ray predating upon thornback rays

Blonde_S

As Cod_C, blonde ray predating upon spotted rays

C_Preds

All predator CPUEs combined for cuckoo rays

T_Preds

All predator CPUEs combined for thornback rays

B_Preds

All predator CPUEs combined for blonde rays

S_Preds

All predator CPUEs combined for spotted rays

Effort

Irish commercial beam trawler effort 2012

Author(s)

Simon Dedman, [e-mail]

Source

http://oar.marine.ie/handle/10793/958

SimonDedman/gbm.auto documentation built on Oct. 9, 2024, 8:57 p.m.