Estimated harbor-seal trends from abundance data in southeast Alaska, USA

Source: R/data.R

Estimated harbor-seal trends from abundance data in southeast Alaska, USA.

seal

Format

A sf object with 149 rows and 2 columns:

  • log_trend: The log of the estimated harbor-seal trends from abundance data.

  • stock: A seal stock factor with two levels: 8 and 10. The factor levels indicate the type of seal stock (i.e., type of seal). Stocks 8 and 10 are two distinct stocks (out of 13 total stocks) in southeast Alaska.

  • geometry: POLYGON geometry representing polygons in an Alaska Albers projection (EPSG: 3338).

Source

These data were collected by the Polar Ecosystem Program of the Marine Mammal Laboratory of the Alaska Fisheries Science Center of NOAA Fisheries. The data were used in the publication listed in References.

References

Ver Hoef, J.M., Peterson, E. E., Hooten, M. B., Hanks, E. M., and Fortin, M.-J. 2018. Spatial Autoregressive Models for Statistical Inference from Ecological Data. Ecological Monographs, 88: 36-59. DOI: 10.1002/ecm.1283.