<div><p>At each station, a Nordic 264 rope trawl built by Nor'Eastern Trawl Systems, Inc. was towed in surface waters by a chartered fishing vessel (F/V Sea Eagle in 2000 and F/V Frosti in 2002). It was towed with about 300 m of warp for 30 min at 1.5 m/sec with a pair of 3.0-m foam-filled trawl doors and 90.7-kg weight chains to spread the mouth open. Except for two mid-water trawling events, six A-4 Polyform floats were clipped to wingtips and the headrope to fish the trawl at the surface. The trawl has a maximum mouth opening of approximately 30-m wide x 18-m high. Mesh sizes ranged from 162.6 cm in the throat of the trawl near the jib lines to 8.9 cm in the codend. To maintain catches of small fish and squid, a 6.1-m long, 0.8-cm knotless liner was sewn into the codend. All but several tows were 30 min in duration. The majority of trawls were done during daytime, although a few were done at dawn and dusk and two diel series were completed in 2002.</p>
<p>All juvenile salmon caught were measured for fork lengths, then immediately frozen for laboratory analysis. In the laboratory, juvenile salmonids were weighed prior to dissections for subsamples of growth, condition, pathology, genetic analysis, and food habits. As large subadult/adult salmonids were released shortly after being captured, their weights were estimated from length-weight regressions.</p></div>
Salmonid Meristics and Necropsy Data
<div><p>Contacts for this data set:<br />
Dr. Richard Brodeur<br />
Northwest Fisheries Science Center<br />
National Oceanic and Atmospheric Administration<br />
Newport, OR 97365<br />
Phone: 541-867-0336<br />
Email: <a href="mailto:Rick.Brodeur@noaa.gov">Rick.Brodeur@noaa.gov</a></p>
<p>Robert Emmett<br />
Northwest Fisheries Science Center<br />
National Oceanic and Atmospheric Administration<br />
Newport, OR 97365<br />
Phone: 541-867-0109<br />
Email: <a href="mailto:Robert.Emmett@noaa.gov">Robert.Emmett@noaa.gov</a></p>
<p>Suzan Pool<br />
Cooperative Institute for Marine Resources Studies<br />
Oregon State University<br />
Newport, OR 97365<br />
Phone: 541-867-0195<br />
Email: <a href="mailto:Suzan.Pool@noaa.gov">Suzan.Pool@noaa.gov</a></p>
<p>Contact for ages by scale analysis:<br />
Joseph Fisher<br />
College of Oceanic and Atmospheric Sciences<br />
Oregon State University<br />
Corvallis, OR 97331<br />
Phone: 541-737-3964<br />
Email: <a href="mailto:jfisher@coas.oregonstate.edu">jfisher@coas.oregonstate.edu</a></p>
<p>Contact for coded-wire tags collected:<br />
Susan Hinton<br />
Northwest Fisheries Science Center<br />
National Oceanic and Atmospheric Administration<br />
Hammond, OR 97121<br />
Phone: 503-861-1818<br />
Email: <a href="mailto:Susan.Hinton@noaa.gov">Susan.Hinton@noaa.gov</a></p>
<p>During juvenile salmonid trawling cruises, additional sampling included CTD profiles, neuston net tows, and Niskin bottle water collections for chlorophyll a. At most stations, data on all parameters were collected.</p></div>
salmon meristics
<div><p>Detailed analyses of the juvenile salmonid catches for 2000 are presented in Brodeur et al. (2004).</p>
<h4>References</h4>
<p>Brodeur, R. D., J. P. Fisher, D. J. Teel, R. L. Emmett, E. Casillas, and T. W. Miller. 2004.</p>
<p><i>Juvenile salmonid distribution, growth, condition, origin, and environmental and species associations in the Northern California Current</i>. <u>Fish. Bull</u>. 102: 25-46.</p></div>
3562
salmon meristics
2011-10-18T09:30:11-04:00
2011-10-18T09:30:11-04:00
2023-07-07T16:10:26-04:00
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Salmonid Meristics and Necropsy Data from F/V Sea Eagle, F/V Frosti SE0005, SE0007, FR0206-01, FR0206-02, FR0208 in the Northeast Pacific from 2000-2002 (NEP project)
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Brodeur, R. D., Emmett, R. L., Pool, S. S. (2005) Salmonid Meristics and Necropsy Data from F/V Sea Eagle, F/V Frosti SE0005, SE0007, FR0206-01, FR0206-02, FR0208 in the Northeast Pacific from 2000-2002 (NEP project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 2005-05-20) Version Date 2005-05-20 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/3562 [access date]
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