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RAP opportunity at National Oceanic and Atmospheric Administration     NOAA

Sablefish Abundance Index Modeling


National Marine Fisheries Service, Alaska Fisheries Science Center

opportunity location
26.03.68.B7479 Juneau, AK 99801


name email phone
Dana Henry Hanselman 907.789.6626


Sablefish stock assessment is fortunate to have a dedicated longline survey and several other fishery independent abundance indices. The stock assessment is also one of the few fisheries in the North Pacific that uses fishery catch rates as an additional index of abundance. Some modeling using generalized additive models has been conducted to standardize this catch rate index. In addition, similar techniques may be useful to increase the accuracy of the longline survey index. Refining these standardization techniques and converting them to useful abundance indices for the stock assessment will require high-dimensional modeling. The project will require extensive data exploration skills to consider sablefish behavior, interactions with other species, and environmental data to determine what factors have the greatest effect on sablefish abundance indices. In addition, this project will also require interacting with representatives from different fishing fleets and gear groups and presenting at public meetings.


key words
Modeling; Fisheries; Alaska; Sablefish; Stock assessment; GAM; R;


Citizenship:  Open to U.S. citizens, permanent residents and non-U.S. citizens
Level:  Open to Postdoctoral and Senior applicants


Base Stipend Travel Allotment Supplementation
$58,000.00 $3,000.00

$2,000 Location Supplement


Experience Supplement:
Postdoctoral and Senior Associates will receive an appropriately higher stipend based on the number of years of experience past their PhD.

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