This dataset contains georeferenced occurrence records of the Yellowfin Tuna (Thunnus albacares) from 1950 to 2025, obtained globally from the Global Biodiversity Information Facility (GBIF). The dataset was filtered to include presence-only records with valid geographic coordinates and year, and duplicate coordinates were removed.
Usage
data("thunnus")Format
A data frame with 80,163 rows and 3 variables:
- decimalLongitude
Numeric. Longitude coordinates (WGS84).
- decimalLatitude
Numeric. Latitude coordinates (WGS84).
- year
Integer. Year in which the observation was recorded.
Source
Global Biodiversity Information Facility (GBIF)
GBIF Occurrence Download https://doi.org/10.15468/dl.xsyrkh
Accessed from R via rgbif (https://github.com/ropensci/rgbif) on 2025-02-07
Details
The data were accessed through the GBIF API and used for benchmarking thinning algorithms in the GeoThinneR package. Coordinates include marine records, and the data were globally sampled across many decades.
For reproducibility, the GBIF download script is included in data-raw/thunnus_download.R.