Author : Troy Allen Tydingco
Publisher :
Page : 12 pages
File Size : 20,80 MB
Release : 1999
Category : Fish populations
ISBN :
Author :
Publisher :
Page : 304 pages
File Size : 25,74 MB
Release : 2004
Category :
ISBN :
Author : Victoria M. O'Connell
Publisher :
Page : 44 pages
File Size : 46,74 MB
Release : 2003
Category : Fisheries
ISBN :
Author : Victoria M. O'Connell
Publisher :
Page : 43 pages
File Size : 44,29 MB
Release : 2001
Category : Fisheries
ISBN :
Author : National Research Council
Publisher : National Academies Press
Page : 194 pages
File Size : 24,25 MB
Release : 1998-02-27
Category : Technology & Engineering
ISBN : 0309174406
Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries dataâ€"for example underreporting or changes in the likelihood that fish can be caught with a given type of gearâ€"can seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.
Author : Stephen H. Hoffman
Publisher :
Page : 148 pages
File Size : 30,34 MB
Release : 1981
Category : Fish surveys
ISBN :
"Present[s] the results of a major adult pink salmon tagging investigation by the Southeast Alaska Stock Separation Research Project during 1980 in the Chatham Strait and Frederick Sound, northern Southeast Alaska."--Leaf 1.
Author : Victoria M. O'Connell
Publisher :
Page : 42 pages
File Size : 36,60 MB
Release : 1995
Category : Fish stock assessment
ISBN :
Author : E. Brown
Publisher :
Page : 481 pages
File Size : 34,8 MB
Release : 1996
Category : Fish stock assessment
ISBN :
Author : Kelly S. Reppert
Publisher :
Page : 22 pages
File Size : 48,74 MB
Release : 2022
Category : Sebastes
ISBN :
There is a limited understanding of the reproductive biology of yelloweye rockfish (Sebastes ruberrimus) and black rockfish (S. melanops) in Alaskan waters. The purpose of this project is to sample yelloweye and black rockfish in order to estimate maturity schedules (length and age at maturity) and fecundity (both absolute and relative) in Southeast Alaska. An understanding of the reproductive biology of these rockfish species is necessary for science-based management and population dynamics modeling for stock assessment purposes. This project will estimate important life history parameters for these rockfish in Southeast Alaska.
Author : David W. Carlile
Publisher :
Page : 86 pages
File Size : 46,96 MB
Release : 2002
Category : Fish stock assessment
ISBN :
