icesVMS (version 1.1.4)

get_effort_map: 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)

Value

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

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>

Examples

if (FALSE) {
# 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
)
}