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Mapping marine habitats with high resolution sidescan sonar ArchiMer
Mcrea, Je; Greene, Hg; O'Connell, Vm; Wakefield, Ww.
The application of marine geophysics and GIS techniques to the characterization of benthic habitats has increased the ability of fisheries managers to assess distribution and habitat types beyond common practices. We report upon a 150 kHz sidescan sonar survey offshore of Kruzof Island, Alaska undertaken to characterize rockfish (Sebastes) habitat. Using GIS, MapGrafix and Map*Factory we determined the percentage of seafloor cover that exists in our survey area. Bathymetry in the study area was determined with sidescan interferometry. All XYZ data were gridded using Surfer and plotted in shaded relief, bathymetric contour, and 3-dimensional formats. Contoured bathymetry was used as an overlay in MapGrafix. Small sub-areas were extracted from the...
Tipo: Text Palavras-chave: Habitat; Mégahabitat; Mésohabitat; Balayage; Cartographie; Habitat; Megahabitat; Mesohabitat; Sidescan; Mapping.
Ano: 1999 URL:
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