Submersible observations of deep-reef fishes of Heceta Bank, Oregon Public Deposited

http://ir.library.oregonstate.edu/concern/defaults/0k225b67z

This publication is associated with the document Fish Assemblages of Rocky Banks of the Pacific Northwest: Final Report by M.A. Hixon, B.N. Tissot, and W.G. Pearcy, and its accompanying data reports.

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  • Rockfishes, Sebastes spp.. were the most numerous and speciose fishes seen during 16 submersible dives from 64 to 305 m depth in the vicinity of Heceta Bank off the coast of Oregon. Dense schools of juvenile rockfishes and large yellowtail rockfish, S. flavidus, were observed only over rocky, high relief areas near the top of the bank, and highest densities of small benthic rockfishes (up to 5-10/m2) on the flanks of the bank. These observations suggest that shallow, rocky portions of Heceta Bank are a nursery area for juvenile rockfishes. Two species groups of nonschooling fishes were identified based on transects over the diverse seafloor habitats around the bank: one comprised primarily of rockfishes in shallow water on rock and cobble, and the other comprised of flatfishes, agonids, sablefish, and some rockfishes in deep water over mud and cobble. Species composition of fishes observed from submersible dives differed from species composition of fishes taken from trawl catches in the same general areas.
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  • v.87 no.4 (1989): 955-965
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  • File scanned at 300 ppi (256 Grayscale) using Capture Perfect 3.0.82 on a Canon DR-9080C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Submitted by Susan Gilmont (susan.gilmont@orst.edu) on 2015-04-27T23:44:10Z No. of bitstreams: 1 SubmersibleObservationsHecetaBank.pdf: 6600253 bytes, checksum: 71c8f51ff6286dd8bb8c395b2e22159c (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2015-04-28T16:26:22Z (GMT) No. of bitstreams: 1 SubmersibleObservationsHecetaBank.pdf: 6600253 bytes, checksum: 71c8f51ff6286dd8bb8c395b2e22159c (MD5)
  • description.provenance : Made available in DSpace on 2015-04-28T16:26:22Z (GMT). No. of bitstreams: 1 SubmersibleObservationsHecetaBank.pdf: 6600253 bytes, checksum: 71c8f51ff6286dd8bb8c395b2e22159c (MD5) Previous issue date: 1989-10

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