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Creator:: Demory, Robert L. and Hosie, Michael J.
Abstract:: This report summarizes project progress in FY 1974. Activities were directed entirely at completing the fourth and final phase of work started in 1971, i.e., to survey groundfish resources on the continental shelf off Oregon between the Columbia River and Cape Blanco. Objectives of the survey were to obtain estimates...
Resource Type:: Technical Report
Full Text:: estimates o f biomass o f f ishes occu- pying the continental she l f w i th par t i cu la r emphasis

Creator:: Demory, Robert L., Hosie, Michael J., Ten Eyck, Neil, Forsberg, Brent O., and United States. National Marine Fisheries Service
Abstract:: Groundfish surveys off Oregon were conducted over a four year period (1971-74) between the Columbia River and Cape Blanco. Primary purpose of the surveys was to obtain estimates of biomass of important groundfish occupying the continental shelf and upper continental slope. Survey design was based on a 5 x 5...
Resource Type:: Technical Report
Full Text:: indexing year c lass strength o f f l a t f i s h e s important t o the commercial t rawl f i she ry

Creator:: Demory, Robert L.
Abstract:: This report summarizes program progress in FY 1974. Activities were directed entirely at completing the third of four phases of work started in 1971. The survey conducted in September 1973 was the second run over the continental shelf off the northern Oregon coast. Objectives of the survey were to obtain...
Resource Type:: Technical Report
Full Text:: d e n t i c a l t o t h a t o f 1971 on the cont inenta l she l f , b u t new stat ions, ou

Creator:: Barss, William H., Demory, Robert L., Ten Eyck, Neil, Oregon. Department of Fish and Wildlife, and United States. National Marine Fisheries Service
Abstract:: Groundfish surveys off the Washington coast were conducted in September of 1975 and 1976 between Cape Flattery and the Columbia River. The primary purposes of the surveys were to obtain estimates of biomass and further our knowledge on population parameters of important groundfish species, especially flatfish, occupying the continental shelf...
Resource Type:: Technical Report
Full Text:: lass strength of f l a t f i shes important t o the commercial t rawl f i she ry p r i o r t o t

Creator:: Demory, Robert L., Barss, William H., and Golden, James T.
Abstract:: “This report summarizes activities from October 1, 1977 through September 30, 1978 (FY 77). Major activities were analysis of data collected from the cooperative coastwide rockfish survey, English sole (Sebastes alutus) tagging in PMFC areas 2B and 2C and lingcod (Ophiodon elongatus) tagging off Newport, Oregon in PMFC area 2c....
Resource Type:: Technical Report
Full Text:: Department o f F i she r i es , Oregon Llcpartinun t IPF F i sh and W i l d l i f e , Oregon S ta te U

Creator:: Johnson, Steven L., Barss, William H., and Demory, Robert L.
Abstract:: From January 1980 to January 1981 approximate monthly sampling of a unique rockfish (Scorpaenidae) fishing area on Heceta Bank, Oregon was undertaken using acoustic techniques and trawling aboard chartered commercial fishing vessels. Rankings of density of fish sign observed on acoustic transects were regressed against selected environmental variables. Acoustic abundance...
Resource Type:: Technical Report
Full Text:: as managers. I n several instances survey r esu l t s were incons is tent w i t h f i she ry r

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