52 Right Whale Abundance
Description: Right Whale
Found in: State of the Ecosystem - Gulf of Maine & Georges Bank (2017+), State of the Ecosystem - Mid-Atlantic (2017+)
Indicator category: Synthesis of published information; Published methods
Contributor(s): Debra Palka
Data steward: Debra Palka, debra.palka@noaa.gov
Point of contact: Daniel Linden, daniel.linden@noaa.gov
Public availability statement: Source data are available from the New England Aquarium upon request. Derived data are available here.
52.1 Methods
52.1.1 Data sources
The North Atlantic right whale abundance estimates were taken from a published document (see Linden_pop_2023?).
Calves birth estimates are available in Pace, Corkeron, and Kraus (2017), with more recent years shared here.
52.1.3 Data analysis
Analysis for right whale abundance estimates is based on methods by Pace, Corkeron, and Kraus (2017), as documented most recently by (Linden_pop_2023?). Data and code can be found in the following Github repository: NEFSC/PSD-NARW_popsize.
52.1.4 Data processing
Time series of right whale and calf abundance estimates were formatted for inclusion in the ecodata R package using this R code.