Investigation of the abundance and recruitment of bottomfish off Oregon. Subtitle: Estimated yields of Dover sole (Microstomus pacificus) in waters off Northern Oregon-Southern Washington. Completion report: July 1, 1970 to June 30, 1971. Public Deposited

http://ir.library.oregonstate.edu/concern/technical_reports/08612p40r

"Commercial Fisheries Research and Development Act. Project 1-61-R." 16 p.

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  • Dover sole (Microstomus pacificus) has been subject to intensive fishing In waters off northern Oregon-southern Washington (specifically PMFC Area 20) since 1941 (Harry, 1956). This species has always been an Important contributor to the trawl fishery and has been the most valuable species of groundflsh landed In Oregon since 1966. Because of its importance In the fishery the Dover sole was chosen as the first species to be considered in a major program desIgned to Investigate the population dynamIcs of Oregon groundfish. The most important segment of the study on sole was the calculation of potential levels of productlvity or yield. This paper deals wIth the methods and results of those calculations.
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  • p.1 INTRODUCTION p.1 CALCULATION OF PARAMETERS p.2 Age composition of the Catch p.2 Weight by Sex p.3 Numbers Caught by Age Class p.3 Total Mortality p.5 Rate of Fishing p.7 Natural Mortality p.7 Utilization of the Catch p.12 Recruitment p.13 Effect in Change of Fishing Intensity p.13 THE YIELD EQUATION p.14 MAXIMUM EQUILIBRIUM YIELD p.16 LITERATURE CITED
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  • description.provenance : Approved for entry into archive by Susan Gilmont(susan.gilmont@orst.edu) on 2010-12-29T21:54:10Z (GMT) No. of bitstreams: 1 demory.1973.invest_abundance_bottomfish_or_1970-71.pdf: 618630 bytes, checksum: 5f9d5c62ec8568371827edec8d40869d (MD5)
  • description.provenance : Made available in DSpace on 2010-12-29T21:54:30Z (GMT). No. of bitstreams: 1 demory.1973.invest_abundance_bottomfish_or_1970-71.pdf: 618630 bytes, checksum: 5f9d5c62ec8568371827edec8d40869d (MD5) Previous issue date: 1973-09
  • description.provenance : Approved for entry into archive by Susan Gilmont(susan.gilmont@orst.edu) on 2010-12-29T21:52:49Z (GMT) No. of bitstreams: 1 demory.1973.invest_abundance_bottomfish_or_1970-71.pdf: 618630 bytes, checksum: 5f9d5c62ec8568371827edec8d40869d (MD5)
  • description.provenance : Submitted by Susan Gilmont (susan.gilmont@orst.edu) on 2010-12-29T21:48:07Z No. of bitstreams: 1 demory.1973.invest_abundance_bottomfish_or_1970-71.pdf: 618630 bytes, checksum: 5f9d5c62ec8568371827edec8d40869d (MD5)

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