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Dataset Title:	Northwest Atlantic Marine Ecoregional Assessment: Benthic Habitats.
Institution:	Rutgers University (Dataset ID: Benthic_HABITATS)
Range:	longitude = -76.8 to -67.2°E, latitude = 34.909 to 41.843°N
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Data Access Form

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  index {
    Int32 actual_range 0, 21586906;
    String ioos_category "Unknown";
    String long_name "Index";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue -999999.0;
    Float32 actual_range 34.909, 41.843;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue -999999.0;
    Float32 actual_range -76.8, -67.2;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  habitat_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 0.0, 2537.0;
    String ioos_category "Unknown";
    String long_name "Numeric Habitat Code";
  }
  sediment_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 6.0;
    Float64 colorBarMaximum 0.01;
    Float64 colorBarMinimum 0.0;
    String comment 
"Sediment Code:1, Sediment Grain Size:0 - 0.03 Silt/Mud
Sediment Code:2, Sediment Grain Size:0.03 - 0.17 Sand
Sediment Code:3, Sediment Grain Size:0.17 - 0.35 Sand
Sediment Code:4, Sediment Grain Size:0.35 - 0.36 Sand
Sediment Code:5, Sediment Grain Size:0.36 - 0.48 Sand
Sediment Code:6, Sediment Grain Size:0.48+ Gravel";
    String ioos_category "Physical Oceanography";
    String long_name "Sediment Grain Size Code";
  }
  depth_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 14.0;
    Float64 colorBarMaximum 8000.0;
    Float64 colorBarMinimum -8000.0;
    String colorBarPalette "TopographyDepth";
    String comment 
"Depth Code:1, Depth Range:0 - 15 meters
Depth Code:2, Depth Range:0 - 9 meters
Depth Code:3, Depth Range:139 + meters
Depth Code:4, Depth Range:15 - 22 meters
Depth Code:5, Depth Range:22 - 45 meters
Depth Code:6, Depth Range:23 - 31 meters
Depth Code:7, Depth Range:31 - 44 meters
Depth Code:8, Depth Range:44 - 75 meters
Depth Code:9, Depth Range:45 - 80 meters
Depth Code:10, Depth Range:592 + meters
Depth Code:11, Depth Range:75 - 139 meters
Depth Code:12, Depth Range:80 - 95 meters
Depth Code:13, Depth Range:9 - 23 meters
Depth Code:14, Depth Range:95 - 592 meters";
    String ioos_category "Unknown";
    String long_name "Depth Range Code";
  }
  ecological_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 53.0;
    String comment 
"Habitat Desc. CODE:1, Descitpion:Deep Depression Gravel
Habitat Desc. CODE:2, Descitpion:Deep Depression Sand
Habitat Desc. CODE:3, Descitpion:Deep Depression Silt/Mud
Habitat Desc. CODE:4, Descitpion:Deep Flat Gravel
Habitat Desc. CODE:5, Descitpion:Deep Flat Sand
Habitat Desc. CODE:6, Descitpion:Deeper Depression Gravel
Habitat Desc. CODE:7, Descitpion:Deeper Depression Sand
Habitat Desc. CODE:8, Descitpion:Deeper Depression Silt/Mud
Habitat Desc. CODE:9, Descitpion:Deeper Flat Gravel
Habitat Desc. CODE:10, Descitpion:Deeper Flat Sand
Habitat Desc. CODE:11, Descitpion:Deeper Flat Silt/Mud
Habitat Desc. CODE:12, Descitpion:Deepest Depression Gravel
Habitat Desc. CODE:13, Descitpion:Deepest Depression Sand
Habitat Desc. CODE:14, Descitpion:Deepest Depression Silt/Mud
Habitat Desc. CODE:15, Descitpion:Deepest Flat Gravel
Habitat Desc. CODE:16, Descitpion:Deepest Flat Sand
Habitat Desc. CODE:17, Descitpion:Deepest Flat Silt/Mud
Habitat Desc. CODE:18, Descitpion:High Flat Gravel
Habitat Desc. CODE:19, Descitpion:High Flat Sand
Habitat Desc. CODE:20, Descitpion:High Flat Silt/Mud
Habitat Desc. CODE:21, Descitpion:Low Slope Gravel
Habitat Desc. CODE:22, Descitpion:Low Slope Sand
Habitat Desc. CODE:23, Descitpion:Low Slope Silt/Mud
Habitat Desc. CODE:24, Descitpion:Moderate Depression Gravel
Habitat Desc. CODE:25, Descitpion:Moderate Depression Sand
Habitat Desc. CODE:26, Descitpion:Moderate Depression Silt/Mud
Habitat Desc. CODE:27, Descitpion:Moderate Flat Gravel
Habitat Desc. CODE:28, Descitpion:Moderate Flat Sand
Habitat Desc. CODE:29, Descitpion:Moderate Flat Silt/Mud
Habitat Desc. CODE:30, Descitpion:Shallow Depression Gravel
Habitat Desc. CODE:31, Descitpion:Shallow Depression Sand
Habitat Desc. CODE:32, Descitpion:Shallow Depression Silt/Mud
Habitat Desc. CODE:33, Descitpion:Shallow Flat Gravel
Habitat Desc. CODE:34, Descitpion:Shallow Flat Sand
Habitat Desc. CODE:35, Descitpion:Shallow Flat Silt/Mud
Habitat Desc. CODE:36, Descitpion:Side Slope Gravel
Habitat Desc. CODE:37, Descitpion:Side Slope Sand
Habitat Desc. CODE:38, Descitpion:Side Slope Silt/Mud
Habitat Desc. CODE:39, Descitpion:Somewhat Deep Depression Gravel
Habitat Desc. CODE:40, Descitpion:Somewhat Deep Depression Sand
Habitat Desc. CODE:41, Descitpion:Somewhat Deep Depression Silt/Mud
Habitat Desc. CODE:42, Descitpion:Somewhat Deep Flat Gravel
Habitat Desc. CODE:43, Descitpion:Somewhat Deep Flat Sand
Habitat Desc. CODE:44, Descitpion:Somewhat Deep Flat Silt/Mud
Habitat Desc. CODE:45, Descitpion:Steep Gravel
Habitat Desc. CODE:46, Descitpion:Steep Sand
Habitat Desc. CODE:47, Descitpion:Steep Silt/Mud
Habitat Desc. CODE:48, Descitpion:Very Shallow Depression Gravel
Habitat Desc. CODE:49, Descitpion:Very Shallow Depression Sand
Habitat Desc. CODE:50, Descitpion:Very Shallow Depression Silt/Mud
Habitat Desc. CODE:51, Descitpion:Very Shallow Flat Gravel
Habitat Desc. CODE:52, Descitpion:Very Shallow Flat Sand
Habitat Desc. CODE:53, Descitpion:Very Shallow Flat Silt/Mud";
    String ioos_category "Unknown";
    String long_name "Habitat Description Code";
  }
  assoc_1_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 36.0;
    String comment 
"Assoc. Species 1 CODE:1, Species:Acadian hermit crab
Assoc. Species 1 CODE:2, Species:Aesop shrimp
Assoc. Species 1 CODE:3, Species:American Lobster
Assoc. Species 1 CODE:4, Species:American lobster
Assoc. Species 1 CODE:5, Species:Atlantic rock crab
Assoc. Species 1 CODE:6, Species:Bamboo worm
Assoc. Species 1 CODE:7, Species:Beard worm
Assoc. Species 1 CODE:8, Species:Beardworm
Assoc. Species 1 CODE:9, Species:Beardworms
Assoc. Species 1 CODE:10, Species:Blood worm
Assoc. Species 1 CODE:11, Species:Bristle worm
Assoc. Species 1 CODE:12, Species:Burrowing scale worm
Assoc. Species 1 CODE:13, Species:Chevron worm
Assoc. Species 1 CODE:14, Species:Eunice worm
Assoc. Species 1 CODE:15, Species:Fan worm
Assoc. Species 1 CODE:16, Species:Feather duster worm
Assoc. Species 1 CODE:17, Species:Fringe worm
Assoc. Species 1 CODE:18, Species:Gould�s pandora
Assoc. Species 1 CODE:19, Species:Green crab
Assoc. Species 1 CODE:20, Species:Hesion worm
Assoc. Species 1 CODE:21, Species:Jonah crab
Assoc. Species 1 CODE:22, Species:Long-horned skeleton shrimp
Assoc. Species 1 CODE:23, Species:Longfin squid
Assoc. Species 1 CODE:24, Species:Mysid shrimp
Assoc. Species 1 CODE:25, Species:Paddle worm
Assoc. Species 1 CODE:26, Species:Parrot shrimp
Assoc. Species 1 CODE:27, Species:Prawn
Assoc. Species 1 CODE:28, Species:Sandbar worm
Assoc. Species 1 CODE:29, Species:Scale worm
Assoc. Species 1 CODE:30, Species:Sea scallop
Assoc. Species 1 CODE:31, Species:Shimmy worm
Assoc. Species 1 CODE:32, Species:Sludge worm
Assoc. Species 1 CODE:33, Species:Spionid mud worm
Assoc. Species 1 CODE:34, Species:Terebellid worm
Assoc. Species 1 CODE:35, Species:Thread worm
Assoc. Species 1 CODE:36, Species:n/a";
    String ioos_category "Taxonomy";
    String long_name "Associated Species Code 1";
  }
  assoc_2_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 42.0;
    String comment 
"Assoc. Species 2 CODE:1, Species:n/a
Assoc. Species 2 CODE:2, Species:Acadian hermit crab
Assoc. Species 2 CODE:3, Species:Amethyst gemclam
Assoc. Species 2 CODE:4, Species:Arctic rock borer
Assoc. Species 2 CODE:5, Species:Ark shell
Assoc. Species 2 CODE:6, Species:Astarte
Assoc. Species 2 CODE:7, Species:Bay barnicle
Assoc. Species 2 CODE:8, Species:Bean mussel
Assoc. Species 2 CODE:9, Species:Bittium snail
Assoc. Species 2 CODE:10, Species:Bobtail squid
Assoc. Species 2 CODE:11, Species:Bristle worm
Assoc. Species 2 CODE:12, Species:Burrowing anemone
Assoc. Species 2 CODE:13, Species:Calcareous coral
Assoc. Species 2 CODE:14, Species:Cumacea
Assoc. Species 2 CODE:15, Species:Daisy brittle star
Assoc. Species 2 CODE:16, Species:Dwarf brittlestar
Assoc. Species 2 CODE:17, Species:Elongated macoma
Assoc. Species 2 CODE:18, Species:Florida lobsterette
Assoc. Species 2 CODE:19, Species:Frilled anemone
Assoc. Species 2 CODE:20, Species:Fringeworm
Assoc. Species 2 CODE:21, Species:Glass shrimp
Assoc. Species 2 CODE:22, Species:Green sea urchin
Assoc. Species 2 CODE:23, Species:Hairy sea cucmber
Assoc. Species 2 CODE:24, Species:Hatchet shell
Assoc. Species 2 CODE:25, Species:Jonah Crab
Assoc. Species 2 CODE:26, Species:Limpet
Assoc. Species 2 CODE:27, Species:Long-horned skeleton shrimp
Assoc. Species 2 CODE:28, Species:Longnose spider crab
Assoc. Species 2 CODE:29, Species:Mageloni worm
Assoc. Species 2 CODE:30, Species:Moon snail
Assoc. Species 2 CODE:31, Species:Nutclam
Assoc. Species 2 CODE:32, Species:Olivepit porcelain crab
Assoc. Species 2 CODE:33, Species:Paddle worm
Assoc. Species 2 CODE:34, Species:Paper clam
Assoc. Species 2 CODE:35, Species:Paranoid worm
Assoc. Species 2 CODE:36, Species:Pitted baby-bubble
Assoc. Species 2 CODE:37, Species:Sea feather
Assoc. Species 2 CODE:38, Species:Sea scallop
Assoc. Species 2 CODE:39, Species:Sea urchin
Assoc. Species 2 CODE:40, Species:Sharp-tailed cumacean
Assoc. Species 2 CODE:41, Species:Striate scallop
Assoc. Species 2 CODE:42, Species:Thread worm
Assoc. Species 2 CODE:43, Species:n/a";
    String ioos_category "Taxonomy";
    String long_name "Associated Species Code 2";
  }
  assoc_3_code {
    Float32 _FillValue -999999.0;
    Float32 actual_range 1.0, 42.0;
    String comment 
"Assoc. Species 3 CODE:1, Species:n/a
Assoc. Species 3 CODE:2, Species:Anemone
Assoc. Species 3 CODE:3, Species:Arctic paper-bubble
Assoc. Species 3 CODE:4, Species:Arctic rock borer
Assoc. Species 3 CODE:5, Species:Atlantic razor
Assoc. Species 3 CODE:6, Species:Atlantic rock crab
Assoc. Species 3 CODE:7, Species:Blue mussel
Assoc. Species 3 CODE:8, Species:Bobtail squid
Assoc. Species 3 CODE:9, Species:Burrowing anemone
Assoc. Species 3 CODE:10, Species:Burrowing brittle star
Assoc. Species 3 CODE:11, Species:Chestnut astarte
Assoc. Species 3 CODE:12, Species:Common northern moon snail
Assoc. Species 3 CODE:13, Species:Common razor clam
Assoc. Species 3 CODE:14, Species:Common sea star
Assoc. Species 3 CODE:15, Species:Conrad�s thracia
Assoc. Species 3 CODE:16, Species:Daisy brittle star
Assoc. Species 3 CODE:17, Species:Dog welk
Assoc. Species 3 CODE:18, Species:Egg cockle
Assoc. Species 3 CODE:19, Species:Foraminiferida
Assoc. Species 3 CODE:20, Species:Green sea urchin
Assoc. Species 3 CODE:21, Species:Lancelet
Assoc. Species 3 CODE:22, Species:Lined anemone
Assoc. Species 3 CODE:23, Species:Margined sea star
Assoc. Species 3 CODE:24, Species:Margined sea stars
Assoc. Species 3 CODE:25, Species:Mud star
Assoc. Species 3 CODE:26, Species:Northern moon shell
Assoc. Species 3 CODE:27, Species:Northern sea star
Assoc. Species 3 CODE:28, Species:Northern shortfin squid
Assoc. Species 3 CODE:29, Species:Nutclam
Assoc. Species 3 CODE:30, Species:Other polychaetes
Assoc. Species 3 CODE:31, Species:Oval Yoldia
Assoc. Species 3 CODE:32, Species:Peanut worm
Assoc. Species 3 CODE:33, Species:Royal red shrimp
Assoc. Species 3 CODE:34, Species:Sand dollar
Assoc. Species 3 CODE:35, Species:Sea butterfly
Assoc. Species 3 CODE:36, Species:Sea cucumber
Assoc. Species 3 CODE:37, Species:Sea star
Assoc. Species 3 CODE:38, Species:Slender sea pen
Assoc. Species 3 CODE:39, Species:Spaghetti-mouth worm
Assoc. Species 3 CODE:40, Species:Stony corals
Assoc. Species 3 CODE:41, Species:Surfclam
Assoc. Species 3 CODE:42, Species:Tube worm
Assoc. Species 3 CODE:43, Species:n/a";
    String ioos_category "Taxonomy";
    String long_name "Associated Species Code 3";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String comment "Benthic habitats are based on Ecological Marine Units (EMUs), which represent the three-way combination of depth, sediment grain size and seabed forms based on the ecological thresholds revealed by the organism relationships. Benthic habitats are combinations of EMUs considered with their species assemblages. Thresholds were created by classifying grab samples into organism groups based on similarities in the composition and abundance of the benthic species using hierarchical cluster analysis. To perform this analysis, each grab sample was classified to an organism group, then overlaid on standardized base maps of depth, sediment grain size and seabed forms, and attributed with the information taken from the classified data. Regression trees were built individually for each physical variable to identify critical thresholds that separated sets of organism groups from each other. Regression trees were also built using all variables collectively to identify which variables were driving the organism differences. Each analysis was performed separately by ecological subregion after data exploration revealed that the relationships between genera and physical factors differed markedly among subregions.";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    Float64 Easternmost_Easting -67.2;
    Float64 geospatial_lat_max 41.843;
    Float64 geospatial_lat_min 34.909;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -67.2;
    Float64 geospatial_lon_min -76.8;
    String geospatial_lon_units "degrees_east";
    String history 
"Created by Eli Hunter (hunter@marine.rutgers.edu),22-Jun-2020 08:13:42
2025-02-21T16:48:57Z (local files)
2025-02-21T16:48:57Z https://nybsand.marine.rutgers.edu/tabledap/Benthic_HABITATS.das";
    String infoUrl "https://portal.midatlanticocean.org/data-catalog/";
    String institution "Rutgers University";
    String keywords "assessment, assoc_1_code, assoc_2_code, assoc_3_code, associated, atlantic, benthic, code, data, depth, depth_code, description, ecological_code, ecoregional, grain, habitat, habitat_code, habitats, index, latitude, longitude, marine, northwest, numeric, oceanography, physical, physical oceanography, range, sediment, sediment_code, size, species, taxonomy";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 41.843;
    String source "http://portal.midatlanticocean.org/data-catalog/conservation/,Benthic_Habitats.zip,";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 34.909;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ecoregional assessment for the Northwest Atlantic Marine region (Bay of Fundy to Cape Hatteras, North Carolina). This assessment synthesizes information on oceanography, chemistry, geology, biology, and social science to inform decisions about coastal and marine ecosystems. The ten categories of targets identified as the primary structure for the marine ecoregional assessment are: coastal and estuarine habitats, benthic habitats, diadromous fish, demersal fish, pelagic fish, forage fish, nearshore shellfish, shorebirds and seabirds, marine mammals, and sea turtles.";
    String title "Northwest Atlantic Marine Ecoregional Assessment: Benthic Habitats.";
    Float64 Westernmost_Easting -76.8;
  }
}

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its selection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.