Skip to main content

Improving Fish Stock Assessments (1998) / Chapter Skim
Currently Skimming:

1 Introduction
Pages 7-12

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 7...
... to monitor the abundance and productivity of exploited fish populations and (2) to provide fishery managers a quantitative evaluation of the potential consequences of alternative actions, to help achieve management goals.
Read the entire page →
From page 8...
... Setting of appropriate LTPY and MSY levels depends on accurate stock assessments. OVERVIEW OF THE USE OF ASSESSMENTS IN MANAGEMENT Fishery managers are responsible for sustaining fish stocks, and stock assessment scientists are responsible for providing analyses and abundance indices that can make such management possible.
Read the entire page →
From page 9...
... Most assessments of U.S. fisheries are conducted by scientists employed by NMFS, although assessments are also conducted by some states, interstate marine fisheries commissions, and in the case of international stocks, international assessment groups.
Read the entire page →
From page 10...
... The data for this figure were complied in 1995 and were provided to the committee by the National Marine Fisheries Service. IMPROVING FISH STOCK ASSESSMENTS Other 0~5% None 15.6% Age-Structured Models 39.2% Stock Reduction Models 6.1% Production Models 8.0% Professional Judgment 2.4% Abundance 28.3% stock-recruitment relationships, and movement rates.
Read the entire page →
From page 11...
... does not conduct assessments; instead, assessments are conducted by the individual states or by NMFS. PSMFC's primary functions are to maintain fishery databases that contribute to Pacific Coast fishery assessments and to coordinate the fishery management activities of California, Oregon, Washington, Idaho, and Alaska, including interjurisdictional planning among its member states for nonfederal fisheries.
Read the entire page →
From page 12...
... In discussions with NOAA, it was determined that the NRC could play a more strategic role by conducting a scientific review of all stock assessment methods and models used for U.S. marine fishery management, rather than examining stock assessments one by one (see Appendix A for letter of request)
Read the entire page →

Key Terms

  • stock assessments
  • fishery management
  • marine fisheries
  • assessment methods
  • fish stocks

  • bluefin tuna
  • assessment results
  • assessment scientists
  • atlantic bluefin
  • marine fish

  • assessment model
  • fisheries commission
  • management councils
  • states marine
  • recreational fishers

  • fishery managers
  • state waters
  • maximum sustainable
  • managed species
  • regional fishery

  • coastal waters
  • estimates based
  • professional judgment
  • technical committee
  • fisheries service

  • informal estimates
  • stock reduction
  • sustainable yield
  • representative species
  • management activities


    • This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
    More information on Chapter Skim is available.