Biological reference points for spiny dogfish

Rago, Paul J.; Sosebee, Katherine A. (Katherine Anne)

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Biological reference points for spiny dogfish

2010
By Rago, Paul J. ; Sosebee, Katherine A. (Katherine Anne)
Series: Northeast Fisheries Science Center reference document ; 10-06

[PDF-530.83 KB]

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Details:

Personal Author:

Rago, Paul J. ; Sosebee, Katherine A. (Katherine Anne)

Rago, Paul J. ; Sosebee, Katherine A. (Katherine Anne) Less -
Corporate Authors:

Northeast Fisheries Science Center (U.S.)
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; NEFSC (Northeast Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; NEFSC (Northeast Fisheries Science Center) Less -
Description:

"Biological reference points are a critical component for the stewardship of fishery resources. Appropriate target levels of biomass and harvest rates allow managers to set regulations consistent with maximum sustainable yield, or an appropriate proxy. The primary focus of this report is to revise the biomass reference points for spiny dogfish (Squalus acanthias), and to update the fishing mortality reference points using the most recent catch and survey information. Previous biomass reference points for spiny dogfish were based on a Ricker stock-recruitment model derived from Northeast Fishery Science Center trawl survey data. SSBmax, the biomass that results in the maximum projected recruitment, is the proxy for BMSY. The revised biomass reference point incorporates additional information on the average size of the recruits as an important explanatory variable. A hierarchical AIC-based model building approach is used to identify the best model. Comparisons of maximum likelihood and robust nonlinear least squares regression models suggested that the robust estimator had the lowest AIC and highest precision for the estimate of SSBmax"--Executive summary.
Content Notes:

by P.J. Rago and K.A. Sosebee.

Title from title screen (viewed on June 3, 2010).

"May 2010."

"Print publication date May 2010; web version posted June 2, 2010"--Publication's home page: http://www.nefsc.noaa.gov/publications/crd/crd1006/index.html.

Mode of access: World Wide Web.

System requirements: Web browser; Adobe Acrobat Reader.

Includes bibliographical references (pages 14-15).
Keywords:

[+]

Fishery Management Fish Stock Assessment Management Mathematical Models Mortality Spawning Spiny Dogfish Spiny Dogfish Fisheries
Series:

Northeast Fisheries Science Center reference document ; 10-06
Document Type:

Miscellaneous
Place as Subject:

United States
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:9b36357d89a2ce488c5da15cd660926f06747bf965a99b6812eedcf14fb19683
Download URL:

https://repository.library.noaa.gov/view/noaa/3727/noaa_3727_DS1.pdf
File Type:

Document's home page

htm

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