Details:

Personal Author:
O'Farrell, Michael R. (Michael Robert); Mohr, Michael S.; Palmer-Zwahlen, M. (Melodie); Grover, Allen Mark;
O'Farrell, Michael R. (Michael Robert); Mohr, Michael S.; Palmer-Zwahlen, M. (Melodie); Grover, Allen Mark; Less -
Corporate Authors:
Southwest Fisheries Science Center (U.S.);
NOAA Program & Office:
NMFS (National Marine Fisheries Service); SWFSC (Southwest Fisheries Science Center);
NMFS (National Marine Fisheries Service); SWFSC (Southwest Fisheries Science Center); Less -
Description:
"In response to an abrupt decline in Sacramento River fall Chinook (SRFC) salmon abundance, and the need to provide improved scientific advice to fishery managers, the Sacramento Index (SI) was developed in 2008. The SI is a combined-age index of adult SRFC ocean abundance comprised of three components: ocean harvest, river harvest, and spawner escapement. This paper provides comprehensive documentation of the methods used to estimate the components of the SI and the method used to forecast the SI for fishery planning purposes. Properties of the time series of SI estimates are also discussed. The SI has been an integral part of PFMC ocean salmon fishery management since its development, and will likely be used as the basis for SRFC assessment into the foreseeable future"--Abstract.
Content Notes:
Michael R. O'Farrell, Michael S. Mohr, Melodie L. Palmer-Zwahlen, Allen M. Grover. "June 2013." System requirements: Adobe Acrobat Reader. Includes bibliographical references (pages 27-29).
Keywords:
[+]
Age
Chinook Salmon
Chinook Salmon Fisheries
Escapement (Fisheries)
Fishery Management
Fish Stock Assessment
Management
Mathematical Models

Series:
NOAA technical memorandum NMFS; NOAA-TM-NMFS-SWFSC ; 512;
NOAA technical memorandum NMFS; NOAA-TM-NMFS-SWFSC ; 512; Less -
Document Type:
Technical Memorandum;
Place as Subject:
California; Sacramento River;
California; Sacramento River; Less -
Rights Information:
Public Domain
Compliance:
Library
Main Document Checksum:
[+]
urn:sha256:688f4b71f2b0ef4c6e3edb1531c43d30a62c0a221c3698dec98965ca6bcf5a3a
File Type:

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