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Dataset Title:  Seaweed Ecology and Assessment Collaborative - Rhode Island Macroalgae   RSS
Institution:  Roger Williams University   (Dataset ID: macroalgae_3677_aa76_a6b1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Make a graph
 
Variable ?   Optional
Constraint #1 ? 		Optional
Constraint #2 ? 		   Minimum ?
   or a List of Values ? 		   Maximum ?
 
 sample_id ?          "SEAC-S-01_in_net"    "SEAC-T-23_trawl"
 station_id ?      
   - +  ?
 time (UTC) ?          2025-09-09    2026-09-15
  < slider >
 latitude (degrees_north) ?      
   - +  ?
  < slider >
 longitude (degrees_east) ?      
   - +  ?
  < slider >
 survey ?          "CPS"    "TNC"
 dem_station_code (RIDEM Station Code) ?          "1"    "WP3"
 station_name ?          "Cards Pond 1"    "Winnapaug Pond 3"
 stratum ?          2    10
 sample_type ?          "in net"    "trawl"
 shore_class ?          0.0    4.0
 macroalgae_in_checker ?          0    1
 macroalgae_on_shore ?          0    1
 site_photo ?          0    1
 site_image_name ?          "062626PP2Sitephoto"    "102825Narragansett..."
 quadrat_image_name ?          "062626PJ1Quad"    "102825SabinPointQu..."
 buckets_weighed ?          1    1
 buckets_collected ?          1    10
 total_weight_kg (Total Weight, kg) ?          0.165    13.23
 green_weight_kg (Green Weight, kg) ?          1.1    11.2
 red_weight_kg (Red Weight, kg) ?          0.2    0.2
 brown_weight_kg (Brown Weight, kg) ?          0.2    0.2
 red_brown_weight_kg (Red Brown Weight, kg) ?          1.2    2.8
 green_present ?          0    1
 red_present ?          0    1
 brown_present ?          0    1
 sp_ulva_sp_blade (Ulva Sp Blade) ?          0    1
 sp_ulva_sp_tubular (Ulva Sp Tubular) ?          0    1
 sp_bryopsis_sp (Bryopsis Sp) ?          0    1
 sp_codium_fragile (Codium Fragile) ?          0    1
 sp_chaetomorpha_sp (Chaetomorpha Sp) ?          0    1
 sp_cladophora_sp (Cladophora Sp) ?          0    1
 sp_agardhiella_subulata ?          0    1
 sp_ceramium_sp (Ceramium Sp) ?          0    1
 sp_chondria_sp (Chondria Sp) ?          0    1
 sp_chondria_dasyphylla ?          0    1
 sp_gracilaria_tikvahiae ?          0    1
 sp_polysiphonia_stricta ?          0    1
 sp_spermathamnion_repens ?          0    1
 sp_spyridia_americana ?          0    1
 sp_grateloupia_turuturu ?          0    1
 sp_hypnea_musciformnis ?          0    1
 sp_champia_farlowii (Champia Farlowii) ?          0    1
 sp_phyllophora_pseudoceranoides ?          0    1
 sp_calithamnion_sp (Calithamnion Sp) ?          0    1
 sp_grinnelia_americana ?          0    1
 sp_ahnfeltia_plicata ?          0    1
 sp_chondrus_crispus (Chondrus Crispus) ?          0    1
 sp_dasysiphonia_japonica ?          0    1
 sp_chondria_bailyana ?          0    1
 sp_corallina_officinalis ?          0    1
 sp_melanothamnus_harveyi ?          0    1
 sp_dasya_pedicellata ?          0    1
 sp_chordaria_sp (Chordaria Sp) ?          0    1
 sp_fucus_vesiculosus ?          0    1
 sp_sargassum_natans (Sargassum Natans) ?          0    1
 sp_ascophyllum_nodosum ?          0    1
 sp_saccharina_latissima ?          0    1
 sp_laminaria_digitata ?          0    1
 sp_cladostephus_spongiosus ?          0    1
 sp_unk_red (Unk Red) ?          0    1
 comments ?          "green_weight_kg: 4..."    "total_weight_kg: 1..."
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

(Documentation / Bypass this form ? )
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  sample_id {
    String long_name "Sample Id";
  }
  station_id {
    String long_name "Station Id";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.757376e+9, 1.7894304e+9;
    String axis "T";
    String cf_role "timeseries_id";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String time_precision "1970-01-01";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 41.331833, 41.78722;
    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";
    Float64 actual_range -71.795556, -71.21322;
    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";
  }
  survey {
    String long_name "Survey";
  }
  dem_station_code {
    String long_name "RIDEM Station Code";
  }
  station_name {
    String long_name "Station Name";
  }
  stratum {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 2, 10;
    String long_name "Stratum";
  }
  sample_type {
    String long_name "Sample Type";
  }
  shore_class {
    Float32 _FillValue NaN;
    Float32 actual_range 0.0, 4.0;
    String long_name "Shore Class";
  }
  macroalgae_in_checker {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Macroalgae In Checker";
  }
  macroalgae_on_shore {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Macroalgae On Shore";
  }
  site_photo {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Site Photo";
  }
  site_image_name {
    String long_name "Site Image Name";
  }
  quadrat_image_name {
    String long_name "Quadrat Image Name";
  }
  buckets_weighed {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 1, 1;
    String long_name "Buckets Weighed";
  }
  buckets_collected {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 1, 10;
    String long_name "Buckets Collected";
  }
  total_weight_kg {
    Float32 _FillValue NaN;
    Float32 actual_range 0.165, 13.23;
    String long_name "Total Weight";
    String units "kg";
  }
  green_weight_kg {
    Float32 _FillValue NaN;
    Float32 actual_range 1.1, 11.2;
    String long_name "Green Weight";
    String units "kg";
  }
  red_weight_kg {
    Float32 _FillValue NaN;
    Float32 actual_range 0.2, 0.2;
    String long_name "Red Weight";
    String units "kg";
  }
  brown_weight_kg {
    Float32 _FillValue NaN;
    Float32 actual_range 0.2, 0.2;
    String long_name "Brown Weight";
    String units "kg";
  }
  red_brown_weight_kg {
    Float32 _FillValue NaN;
    Float32 actual_range 1.2, 2.8;
    String long_name "Red Brown Weight";
    String units "kg";
  }
  green_present {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Green Present";
  }
  red_present {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Red Present";
  }
  brown_present {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Brown Present";
  }
  sp_ulva_sp_blade {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Ulva Sp Blade";
  }
  sp_ulva_sp_tubular {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Ulva Sp Tubular";
  }
  sp_bryopsis_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Bryopsis Sp";
  }
  sp_codium_fragile {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Codium Fragile";
  }
  sp_chaetomorpha_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chaetomorpha Sp";
  }
  sp_cladophora_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Cladophora Sp";
  }
  sp_agardhiella_subulata {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Agardhiella Subulata";
  }
  sp_ceramium_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Ceramium Sp";
  }
  sp_chondria_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chondria Sp";
  }
  sp_chondria_dasyphylla {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chondria Dasyphylla";
  }
  sp_gracilaria_tikvahiae {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Gracilaria Tikvahiae";
  }
  sp_polysiphonia_stricta {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Polysiphonia Stricta";
  }
  sp_spermathamnion_repens {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Spermathamnion Repens";
  }
  sp_spyridia_americana {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Spyridia Americana";
  }
  sp_grateloupia_turuturu {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Grateloupia Turuturu";
  }
  sp_hypnea_musciformnis {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Hypnea Musciformnis";
  }
  sp_champia_farlowii {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Champia Farlowii";
  }
  sp_phyllophora_pseudoceranoides {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Phyllophora Pseudoceranoides";
  }
  sp_calithamnion_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Calithamnion Sp";
  }
  sp_grinnelia_americana {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Grinnelia Americana";
  }
  sp_ahnfeltia_plicata {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Ahnfeltia Plicata";
  }
  sp_chondrus_crispus {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chondrus Crispus";
  }
  sp_dasysiphonia_japonica {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Dasysiphonia Japonica";
  }
  sp_chondria_bailyana {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chondria Bailyana";
  }
  sp_corallina_officinalis {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Corallina Officinalis";
  }
  sp_melanothamnus_harveyi {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Melanothamnus Harveyi";
  }
  sp_dasya_pedicellata {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Dasya Pedicellata";
  }
  sp_chordaria_sp {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Chordaria Sp";
  }
  sp_fucus_vesiculosus {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Fucus Vesiculosus";
  }
  sp_sargassum_natans {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Sargassum Natans";
  }
  sp_ascophyllum_nodosum {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Ascophyllum Nodosum";
  }
  sp_saccharina_latissima {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Saccharina Latissima";
  }
  sp_laminaria_digitata {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Laminaria Digitata";
  }
  sp_cladostephus_spongiosus {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Cladostephus Spongiosus";
  }
  sp_unk_red {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    String flag_meanings "absent present";
    Byte flag_values 0, 1;
    String long_name "Unk Red";
  }
  comments {
    String long_name "Comments";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "time, station_id, latitude, longitude";
    String Conventions "COARDS, CF-1.10, ACDD-1.3";
    String creator_name "Roger Williams University";
    String creator_type "institution";
    String defaultDataQuery "&time>=min(time)";
    String defaultGraphQuery "longitude,latitude,sp_cladophora_sp&time>=2025-09-01&time<=2026-12-31&.draw=markers&.colorBar=|||0|1|";
    Float64 Easternmost_Easting -71.21322;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 41.78722;
    Float64 geospatial_lat_min 41.331833;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -71.21322;
    Float64 geospatial_lon_min -71.795556;
    String geospatial_lon_units "degrees_east";
    String history 
"2026-11-12T00:09:09Z (local files)
2026-11-12T00:09:09Z http://qa-erddap.riddc.brown.edu/erddap/tabledap/macroalgae_3677_aa76_a6b1.html";
    String infoUrl "https://www.nbep.org/macroalgae-working-group";
    String institution "Roger Williams University";
    String keywords "macroalgae, Rhode Island, seaweed, seine, trawl";
    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 41.78722;
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 41.331833;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "station_id, latitude, longitude";
    String summary "SEAC Macroalgae. Roger Williams University data from a local source.";
    String time_coverage_end "2026-09-15";
    String time_coverage_start "2025-09-09";
    String title "Seaweed Ecology and Assessment Collaborative - Rhode Island Macroalgae";
    Float64 Westernmost_Easting -71.795556;
  }
}

 

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.

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.


 
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