NOAA Point Shapefile - 100m2 Fish Density of Flower Garden Banks National Marine Sanctuary, United States, R/V Manta, Technical Dive Cruise, 2012, WGS84

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Frequently anticipated questions:

What does this data set describe?

Title:
NOAA Point Shapefile - 100m2 Fish Density of Flower Garden Banks National Marine Sanctuary, United States, R/V Manta, Technical Dive Cruise, 2012, WGS84
Abstract:
The design of this field mission is three fold: (1) to spatially characterize the distribution, abundance and size of both reef fishes and macro invertebrates within and around the waters of the Flower Gardens National Marine Sanctuary, (2) to relate this information to in-situ data collected on associated habitat parameters and (3) to use hydroacoustics technologies for a comprehensive assessment of East and West Bank. This information collected will be used to evaluate the utility of an experimental fishing closure on one of the most pristine reefs under US jurisdiction in the tropical Western Atlantic. Data collected during this mission (pre-closure) will provide baseline information necessary to evaluate closure efficacy and assess whether the closure should become permanent.
  1. How should this data set be cited?

    Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Center for Coastal Ocean Science (NCCOS), Center for Coastal Fisheries and Habitat Research (CCFHR), Unpublished material, NOAA Point Shapefile - 100m2 Fish Density of Flower Garden Banks National Marine Sanctuary, United States, R/V Manta, Technical Dive Cruise, 2012, WGS84: NOAA's Ocean Service, National Centers for Coastal Ocean Science (NCCOS), Beaufort, North Carolina, United States.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -93.828529
    East_Bounding_Coordinate: -93.594742
    North_Bounding_Coordinate: 27.979643
    South_Bounding_Coordinate: 27.848211

  3. What does it look like?

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

    Beginning_Date: 22-Oct-2012
    Beginning_Time: Unknown
    Ending_Date: 03-Nov-2012
    Ending_Time: Unknown
    Currentness_Reference: ground condition

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

  6. How does the data set represent geographic features?

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

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Point (1749)

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

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000001. Longitudes are given to the nearest 0.000001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is D_WGS_1984.
      The ellipsoid used is WGS_1984.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257223563.

  7. How does the data set describe geographic features?

    Tech2012_Merge
    Fish Distribution in the Flower Gardens Banks National Marine Sanctuary. Fish are in 100 square meter resolution and divided into three categories: Small Fish(<11cm), Medium Fish(between 11cm to 29cm), and Large Fish(>29cm). (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    FID
    Unique Feature Identifier (Source: ERSI)

    Sequential unique whole numbers that are automatically generated.

    Shape
    Geometric Shape (Source: ERSI)

    Coordinates defining the features

    Interval
    Area of the survey divided into 100 meter square sections (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:1
    Maximum:518

    MedLat
    The angular distance north or south of the earth's equator, measured in degrees. The center point of the 100 meter squared intervals. (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:27.848268
    Maximum:27.979643

    MedLon
    The angular distance East or West from the Prime Meridian, measured in degrees. The center point of the 100 meter squared intervals. (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:-93.828525
    Maximum:-93.594745

    Sm_Fish
    Average Size of Small Fish <11cm in a given interval. (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:10.980013
    Units:Centimeter(cm)

    Sm_Density
    Density of Small Fish(<11cm) in a given interval. (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:17.188276

    Md_Fish
    Average Size of Medium Fish between 11cm and 29cm in a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:28.518978
    Units:Centimeter(cm)

    Md_Density
    Density of Medium Size Fish(between11cm and 29cm) in a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:27.978507

    Lg_Fish
    Average Size of Large Fish >29cm in a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:623.62982
    Units:Centimeter(cm)

    Lg_Density
    Density of Large Fish >29cm in a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:6.217068

    Density
    Total density of fish for the given interval. (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:39.686486

    Dist_above
    Average distance above the bottom of the fish within a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:0
    Maximum:35.344474
    Units:Meters(m)

    DateLocmin
    Date of the data during collection for a given interval in EST (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:2012-10-22
    Maximum:2012-11-03

    TimeLocmin
    Eastern Standard Time of the data during collection for a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:00:00:03.38
    Maximum:23:59:53.41

    DateGMTmin
    Date of the data during collection for a given interval in Greenwich Mean Time (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:2012-10-23
    Maximum:2012-11-03

    TimeGMTmin
    Greenwich Mean Time of the data during collection for a given interval (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Range of values
    Minimum:00:00:00.81
    Maximum:23:59:39.75

    InputFile
    The originating acoustic data file (Source: Center for Coastal Fisheries and Habitat Research (CCFHR))

    Name of the original data file

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?

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

    Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Nation Ocean Service (NOS), National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Fisheries and Habitat Research (CCFHR), Applied Ecology and Restoration Research Branch
    Attn: Chris Taylor
    Ecologist
    101 Pivers Island Road
    Beaufort, North Carolina 28516

    2527283595 (voice)
    chris.taylor@noaa.gov

    Hours_of_Service: Monday-Friday 8:00am - 4:30pm EST

Why was the data set created?

1. To design and implement a mobile fisheries sonar survey in concert with multibeam echosounder hydrographic surveys to assess and map fish densities and biomass within and outside proposed management zones.2. To assess distribution of fish densities relative to management and ecological reserve boundaries and other differences that may be associated with management zones and habitat types, particularly as fish distributions relate to movements between habitat types.3. To assess the extent of fish density distributions in comparison with ROV surveys and fish community assessments.

How was the data set created?

  1. From what previous works were the data drawn?

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

    Date: 2012 (process 1 of 4)
    Acoustic data was collected aboard the R/V Manta using ES120-7C splitbeam transducer. The Kongsberg ES120-7C transducer was pole mounted aboard the R/V Manta. Kongsberg ES transceivers and Simard ES60 software was used in the data acquisition.

    Date: 2012 (process 2 of 4)
    Echoview 5.2 was used in this step of the data processing. The EK60 .raw file format was edited for erroneous ping returns and acoustic noise. Fish were track using a tracking algorithm and the fish tracks were export in a .csv format.

    Date: 2012 (process 3 of 4)
    An acoustic processing script(V6.4) was used to calculate the density and size of fish through out the water column. Then projected(WGS84) in 100 square meter resolution ESRI shapefile.

    Date: 2012 (process 4 of 4)
    Arc Catalog was used to merge the daily shapefiles into one cruise shapefile. Metadata was added using arc catalog.

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

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

  1. How well have the observations been checked?

  2. How accurate are the geographic locations?

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    The fish acoustic data is for the East and West Banks for the Flower Garden National Marine Sanctuary. Surveyed predefined areas of the sanctuary in a variety of habitats. The scientific echosounder was calibrated using standard calibrations techniques(FOOTE et. al. 1981). All data was scrutinized and edited for bad data returns. Applied a tracking algorithmic to detect fish in the water column. All data analyses were conducted using Echoview 5.1 software.

  5. How consistent are the relationships among the observations, including topology?

    Not applicable

How can someone get a copy of the data set?

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

Access_Constraints: Please cite any use of this data.
Use_Constraints: Not for Navigation

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

    Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Nation Ocean Service (NOS), National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Fisheries and Habitat Research (CCFHR), Applied Ecology and Restoration Research Branch
    Attn: Chris Taylor
    101 Pivers Island Road
    Beaufort, North Carolina 28516

    2528380833 (voice)

  2. What's the catalog number I need to order this data set?

    Offline Data

  3. What legal disclaimers am I supposed to read?

    These data were prepared by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, make any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. Any views and opinions expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. Although all data have been used by NOAA, no warranty, expressed or implied, is made by NOAA as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by NOAA in the use of these data or related materials.NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA can not assume liability for and 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: 24-Jan-2013
Metadata author:
Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Nation Ocean Service (NOS), National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Fisheries and Habitat Research (CCFHR), Applied Ecology and Restoration Research Branch
Attn: Erik Ebert
101 Pivers Island Road
Beaufort, North Carolina 28516

2527288751 (voice)
erik.ebert@noaa.gov

Hours_of_Service: Monday-Friday 8:00am-5:00pm EST
Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Generated by mp version 2.9.13 on Wed May 22 06:48:29 2013