Active survey blocks — survey

Active survey blocks for DFO Pacific groundfish surveys. Obtained via gfdata::get_active_survey_blocks() with some cleaning as documented in data-raw/survey_blocks.R.

Usage

survey_blocks

Format

Simple feature (sf) collection with 66293 features and 6 fields:

survey_abbrev: Survey abbreviation.
survey_series_id: Unique identifier for the survey series.
station_key: Unique identifier for each grid cell
depth_m: Depth in metres.
active_block: Is block actively fished as of date downloaded: e.g., attr(gfdata::survey_blocks, "date-downloaded"))
geometry: Represents grid cell.
area: Overwater area in km^2.

Examples

requireNamespace("ggplot2", quietly = TRUE)
library(sf)
#> Linking to GEOS 3.10.2, GDAL 3.4.1, PROJ 8.2.1; sf_use_s2() is TRUE
library(ggplot2)
gfdata::survey_blocks |>
  ggplot(aes(colour = survey_abbrev)) +
  geom_sf() +
  theme_minimal() +
  scale_colour_brewer(palette = "Dark2")

attr(gfdata::survey_blocks, "date-generated")
#> [1] "2024-06-26"
attr(gfdata::survey_blocks, "date-downloaded")
#> [1] "2024-06-13"