Download or read book Developing Age Determination Criteria for Bocaccio Sebastes Paucispinus written by Donald Edgar Pearson and published by . This book was released on 2015 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bocaccio (Sebastes paucispinus) are an important part of the commercial and recreational fisheries in California. Since 1983, this species has been repeatedly subjected to stock assessments. By the early 1990's, it was apparent that the species was in danger of being overfished, and regulatory measures were implemented to protect it. In spite of those efforts, the species was declared overfished in 2000, and catches in the fishery were heavily constrained. Age data were only marginally useful in early assessments because the species was deemed too difficult to age, and reliable criteria had not been developed. Since 1999, assessments have excluded age data due to inconsistencies with the length data. In this paper we describe how we finally developed age determination criteria for this species. The approach to development relied on using otoliths from Washington as well as a combination of other methods, based on fish length compositions and cross-sectioning of the otoliths, to obtain a better idea of how annuli were formed. After developing the criteria, a total of 850 otolith samples were double-read by two age readers. Age determination error analysis showed that there were generally good agreements between the two age readers. Estimated standard deviations of age determination errors increased for older fish, ranged from 0.270 for age 1 to 6.77 for age 36.
Download or read book Fishery Bulletin written by and published by . This book was released on 2000 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Marine Fisheries Review written by and published by . This book was released on 1998 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Library of Congress Subject Headings written by Library of Congress. Cataloging Policy and Support Office and published by . This book was released on 2009 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Library of Congress Subject Headings written by Library of Congress and published by . This book was released on 2013 with total page 1160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Groundfish Acceptable Biological Catch and Optimum Yield Specifications and Management Measures 2003 Pacific Coast Groundfish Fishery written by and published by . This book was released on 2003 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fishery Management Plan and Environmental Impact Statement for the California Oregon and Washington Groundfish Fishery written by Pacific Fishery Management Council (U.S.) and published by . This book was released on 1979 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Federal Register written by and published by . This book was released on 2013-08 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected Reprints written by Southwest Fisheries Center (U.S.) and published by . This book was released on 1992 with total page 1278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected Reprints written by and published by . This book was released on 1987 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Essential Fish Habitat Designation and Minimization of Adverse Impacts Pacific Coast Groundfish Fishery Management Plan written by and published by . This book was released on 2005 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pacific Coast Groundfish Fishery Management Plan Bycatch Mitigation Program written by and published by . This book was released on 2004 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Acceptable Biological Catch and Optimum Yield Specifications and Management Measures for the 2009 2010 Pacific Coast Groundfish Fishery written by and published by . This book was released on 2009 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Acceptable Biological Catch and Optimum Yield Specifications and Management Measures for the 2007 2008 Pacific Coast Groundfish Fishery and Amendment 16 4 Rebuilding Plans for Seven Depleted Pacific Coast Groundfish Species written by and published by . This book was released on 2006 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proposed Harvest Specifications and Management Measures for the 2011 2012 Pacific Coast Groundfish Fishery and Amendment 16 5 to the Pacific Coast Groundfish Fishery Management Plan to Update Existing Rebuilding Plans and Adopt a Rebuilding Plan for Petrale Sole written by and published by . This book was released on 2011 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Status of Living Marine Resources Off the Pacific Coast of the United States for 1993 written by and published by . This book was released on 1993 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Amendment 16 2 to the Pacific Coast Groundfish Fishery Management Plan Rebuilding Plans for Darkblotched Rockfish Pacific Ocean Perch Canary Rockfish and Lingcod written by and published by . This book was released on 2003 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
