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North Atlantic right whale abundance

Source: R/narw.R
narw.Rd

Data include abundance estimates for the North Atlantic right whale (NARW) provided by the Protected Species Branch of the NEFSC. Abundance was estimated following the methodology of Pace et. al 2017.

Usage

narw

Format

These data include 129 rows and 5 columns.

  • Var: Specifies variable of interest, including NARW and calf abundance estimate median and 95% credible intervals.

  • Value: Value of variable Var.

  • Units: Units of variable Var.

  • Time: Year.

  • EPU: Ecological Production Unit (EPU).

Details

More information about these data may be found https://noaa-github.io/tech-doc/right-whale-abundance.html.

References

Pace, R. M., Corkeron, P. J., Krauss, S. D. (2017) State-space mark-recapture estimates reveal a recent decline in abundance of North Atlantic right whales. Ecology and Evolution, 1-17.