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FBSAD Reef Fish-HABITAT Quadrat Surveys at Hawaii Island (Big Island, Main Hawaiian Islands), 2008; and Midway Atoll (Northwestern Hawaiian Islands), 2008 (NODC Accession 0067519)

Published by Fishery Biology and Stock Assessment Division (FBSAD), Pacific Islands Fisheries Science Center, National Marine Fisheries Service | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 01, 2026 at 07:22 AM | Dataset Last Updated: August 04, 2010 at 12:00 AM
Habitat quadrats were surveyed at 1 to ~5 m depths using transects conducted at a total four (4) sites: (1-2) at 2 longshore sites on the leeward coast (South Kohala district) of the Big Island (Hawaii Island, in the MHI) during spring-summer 2008; and (3-4) at 2 longshore sites on the back reef of Midway Atoll (NWHI) in summer 2008. Substratum cover and rugosity were characterized within multiple quadrats at each site. Two types of quadrats were surveyed: "Reference" ('REF') quadrats (whose positions were randomly selected) and "Target" ('TAR') quadrats (positions centered on sightings of recruit fishes); each quadrat was square and 1-m**2 area. In each quadrat, the benthic cover of each of fourteen (14) main substratum types were estimated, as was a "Rugosity Index" based on the ratio of conforming-to-straight line distances along both major axes of the quadrat.

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