Popis

Underwater Site 10P was established off Rose Atoll, American Samoa by Dr. James Maragos, U.S. Fish Wildlife Service, on July 31, 1999. The site was originally called Site D and later renamed Site 10P. With a start point meter 0 at latitude 14 33.075S longitude 168 09.622W, a series of metal stakes were pounded into the substrate to delineate a 50meter line that could be relocated and reassessed on future surveys. A fiberglass tape was unrolled along the line marked by the stakes and a series of photographs was taken of the benthos in consecutive 1metersquare 1m x 1m quadrats, using a Nikon RS camera with 35mm colorpositive slide film in an underwater housing mounted atop a 1metersquare 1m x 1m quadrat. The colorpositive slides were later scanned 600dpi using the Epson V750 scanner and software. The overall goal was to acquire data from the photographs and analyze and present quantitative data in a manner to be useful for scientists and refuge management. Each image is labeled with a 3letter location code ROS, date 31July99, site number 10P, and meter interval along the transect line e.g., 56M. The software program SigmaScan Pro 5.0 was used to analyze each image. Analysis was completed by a single observer, Alison Veit. For each photoquadrat, the anthozoan colonies were identified scleractinian genera Montipora, Acropora, Favia, Favites, Montastrea, Goniastrea, and the maximum diameter cm of each colony determined. The center of each colony had to fall within the photoquadrat frame in order to be counted for a photoquadrat. If the colony extended beyond one photoquadrat, one diameter was determined and counted in the photoquadrat in which the center of the colony was found. After all the anthozoan colonies in the photoquadrat had been measured, the data were binned into 7 size classes 15 cm, 610 cm, 1120 cm, 2140 cm, 4180 cm, 81160 cm, 160 cm. A visual estimate of percent coral cover in each quadrat was also recorded.

Obecné informace

• Dokumentace

  http://catalog.data.gov/dataset/1999-rose-site-10p Do you think this data is incorrect? Let us know

• Poskytovatel

  US Fish and Wildlife Service, Department of the Interior Do you think this data is incorrect? Let us know

Právní informace

• Právní prohlášení

  http://catalog.data.gov/dataset/1999-rose-site-10p Do you think this data is incorrect? Let us know

• Under which licence can people outside the US reuse this data?

  Creative Commons CCZero Do you think this data is incorrect? Let us know

• Obsah chráněný autorským právem

  yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

• Licence obsahu

  Creative Commons CCZero Do you think this data is incorrect? Let us know

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• Ochrana soukromí

  nehraje roli, data se netýkají fyzických osob Do you think this data is incorrect? Let us know

Praktické informace

• Relevantní datové katalogy

  http://catalog.data.gov/organization/fws-gov Do you think this data is incorrect? Let us know

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  data jsou zálohována offsite Do you think this data is incorrect? Let us know

Technické informace

• URL datové sady

  http://ecos.fws.gov/ServCatFiles/reference/holding/34471?accessType=DOWNLOAD Do you think this data is incorrect? Let us know

Sociální informace

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  název Do you think this data is incorrect? Let us know

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  popis Do you think this data is incorrect? Let us know

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• Strojově čitelná metadata

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• Strojově čitelná metadata

  klíčová slova Do you think this data is incorrect? Let us know

• Strojově čitelná metadata

  distribuce Do you think this data is incorrect? Let us know

• Strojově čitelná metadata

  datum vydání Do you think this data is incorrect? Let us know

• Strojově čitelná metadata

  datum poslední změny Do you think this data is incorrect? Let us know

• Strojově čitelná metadata

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• Kontakty

  http://catalog.data.gov/dataset/1999-rose-site-10p Do you think this data is incorrect? Let us know

• Zpětná vazba k publikovaným datovým sadám

  http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/1999-rose-site-10p Do you think this data is incorrect? Let us know