CRED Cumulative Map of Percent Scleractinian Coral Cover at Guam, 2003

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Frequently anticipated questions:


What does this data set describe?

Title:
CRED Cumulative Map of Percent Scleractinian Coral Cover at Guam, 2003
Abstract:
This map displays optical validation observation locations and percent coverage of scleractinian coral overlaid on bathymetry.
Supplemental_Information:
Guam, a U.S. territory located at 13.28 degrees North, 144.45 degrees East, is the southernmost island in the Mariana Archipelago. It is the largest island in Micronesia, with a land mass of 560 square km and a maximum elevation of approximately 405 m. It is also the most heavily populated island in Micronesia, with a population of about 164,000. The northern portion of the island is relatively flat and consists primarily of uplifted limestone. The southern half of the island is primarily volcanic, with more topographic relief and large areas of highly erodible lateritic soils. Those conditions have led to the creation of a number of watersheds throughout the southern areas which are drained by 96 rivers. The island possesses fringing reefs, patch reefs, submerged reefs, offshore banks, and barrier reefs surrounding Cocos Lagoon in the south and part of Apra Harbor. Guam's coral reefs are an important component of the island's tourism industry and make Guam a popular tourist destination for Asian travelers. Traditionally, coral reef fishery resources formed a substantial part of the local Chamorro community's diet and included finfish, invertebrates, and sea turtles. Today coral reef resources are both economically and culturally important, although somewhat displaced from the diet by westernization and declining stocks. Over 10 percent of Guam's coastline has been set aside in five marine preserves, established in 1997 as a response to decreasing reef fish stocks. While management practices are enforced in the marine preserves, there is currently limited management and enforcement in the other areas. The health of Guam's coral reefs varies considerably, depending on a variety of factors including geology, human population density, level of coastal development, level and types of uses of marine resources, oceanic circulation patterns, and frequency of natural disturbances, such as typhoons and earthquakes. Many of Guam's reefs have declined in health over the past 40 years, with the average live coral cover on forereef slopes dwindling from approximately 50 percent in the 1960s to less than 25 percent by the 1990s. Cruises CoRIS Metadata Record Names OES0308 cred_toad_guam_2003

Resource Description: Digital video images that are geo-referenced to navigation files.

  1. How should this data set be cited?

    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), 200606, CRED Cumulative Map of Percent Scleractinian Coral Cover at Guam, 2003.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: 144.63
    East_Bounding_Coordinate: 144.97
    North_Bounding_Coordinate: 13.62
    South_Bounding_Coordinate: 13.25

  3. What does it look like?

    <http://www.soest.hawaii.edu/pibhmc/CNMI_images/gua_toad_445px.jpg> (JPEG)
    This map displays optical validation observation locations and percent coverage of scleractinian coral overlaid on bathymetry.

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 2003
    Ending_Date: 2003
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: digital image

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

    2. What coordinate system is used to represent geographic features?

  7. How does the data set describe geographic features?


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Benthic Habitat Mapping Group, Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), NOAA

  3. To whom should users address questions about the data?

    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
    Attn: John Rooney
    NOAA IRC
    Honolulu, HI 96818

    808 725-5360 (voice)
    808 725-5429 (FAX)
    nmfs.pic.credinfo@noaa.gov

    Contact_Instructions: e-mail preferred


Why was the data set created?

To display locations of optical validation data collected and percent coverage of scleractinian coral at Guam.


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

  3. What similar or related data should the user be aware of?


How reliable are the data; what problems remain in the data set?


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints:
Please acknowledge the NOAA Coral Reef Ecosystem Division, Pacific Islands Fisheries Science Center as the source of this information.

  1. Who distributes the data set? (Distributor 1 of 1)

    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
    Attn: John Rooney
    NOAA IRC
    Honolulu, HI 96818

    808 725-5360 (voice)
    808 725-5429 (FAX)
    nmfs.pic.credinfo@noaa.gov

    Contact_Instructions: e-mail preferred
  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    These data are not to be used for navigational purposes. NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 12-Mar-2014
Last Reviewed: 05-Sep-2008
Metadata author:
Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
Attn: CRED Data Management Team
NOAA IRC
Honolulu, HI 96818

808 725-5360 (voice)
808 725-5429 (FAX)
nmfs.pic.credinfo@noaa.gov

Contact_Instructions: e-mail preferred
Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)


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