get_effort_map: Download fishing effort map data

In ices-tools-prod/icesVMS: Link to the ICES Vessel Monitoring System and Logbook Database Web Services

Download fishing effort map data

Description

Download a data.frame of kw fishing hours by c-square and gear category averaged over 4 years.

Usage

get_effort_map(ecoregion, year = NULL, convert2sf = FALSE)

Arguments

ecoregion	ICES ecoregion (see details)
year	which year to select (see details)
convert2sf	logical, default FALSE, should an simple features object be returned if the sf package is installed?

Details

The spatial data.frame contains average annual mega Watt fishing hours, averaged over 4 years.

Available ecoregions are given in the description field of the ICES ecoregion vocabulary <http://vocab.ices.dk/?ref=1414>

Value

a data.frame with a WKT column for the c-square polygons

Examples

## Not run: 
# requires authorization
ns_effort_map <- get_effort_map("Greater North Sea", convert2sf = TRUE)
plot(
  ns_effort_map[ns_effort_map$fishing_category_FO == "Otter","mw_fishinghours"], 
  border = FALSE, logz = TRUE
)

## End(Not run)

ices-tools-prod/icesVMS documentation built on April 24, 2023, 2:31 a.m.