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Filtering by: Subject Marine animals -- Oregon -- Pacific Coast -- Geographical information Subject Fish surveys

Comparison of submersible-survey and hydroacoustic-survey estimates of fish density on a rocky bank

Creator:

Starr, Richard M., Fox, David S., Hixon, Mark Anthony, Tissot, Brian N., Johnson, Gary E., and Barss, William H.

Abstract:

Submersible belt-transect surveys along a rocky bottom were combined with acoustic surveys of the water column to estimate depth distribution and density of fishes at Stonewall Bank, Oregon in the northeastern Pacific Ocean from September through October 1991. The objectives of the study were to determine the proportion of fish...

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and density of fishes at Stone- wall Bank, Oregon, in the northeast- ern Pacific Ocean from September
Submersible observations of deep-reef fishes of Heceta Bank, Oregon

Creator:

Pearcy, William G., Stein, David L., Hixon, Mark Anthony, Pikitch, Ellen K., Barss, William H., and Starr, Richard M.

Abstract:

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...

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submersible dives from 64 to 305 m depth in the vicinity of Heceta Bank off the coast of Oregon. Dense