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Dataset Title:	FEAS All Observations by Species
Institution:	Marine Institute (Dataset ID: imi_feas_obs_sp)
Information:	Summary \| License \| Metadata \| Background \| Subset \| Data Access Form

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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  Year {
    Int16 actual_range 1960, 2019;
    String ioos_category "Other";
    String long_name "year";
  }
  Quarter {
    String _Unsigned "false";
    Byte actual_range 1, 4;
    String ioos_category "Other";
    String long_name "quarter";
  }
  ICES_Area {
    String ioos_category "Other";
    String long_name "ICES_Area";
  }
  Gear_Code {
    String ioos_category "Other";
    String long_name "Gear_Code";
  }
  Scientific_Name {
    String ioos_category "Other";
    String long_name "Scientific_Name";
  }
  Common_Name {
    String ioos_category "Other";
    String long_name "Common_Name";
  }
  AphiaID {
    Float64 actual_range 10331, 712906;
    String ioos_category "Other";
    String long_name "AphiaID";
  }
  Demersal_At_Sea_Scheme_Age_Observations {
    String ioos_category "Other";
    String long_name "Demersal_At_Sea_Scheme_Age_Observations";
  }
  Demersal_At_Sea_Scheme_Biological_Observations {
    String ioos_category "Other";
    String long_name "Demersal_At_Sea_Scheme_Biological_Observations";
  }
  Demersal_At_Sea_Scheme_Length_Observations {
    String ioos_category "Other";
    String long_name "Demersal_At_Sea_Scheme_Length_Observations";
  }
  Pelagic_At_Sea_Scheme_Age_Observations {
    String ioos_category "Other";
    String long_name "Pelagic_At_Sea_Scheme_Age_Observations";
  }
  Pelagic_At_Sea_Scheme_Biological_Observations {
    String ioos_category "Other";
    String long_name "Pelagic_At_Sea_Scheme_Biological_Observations";
  }
  Pelagic_At_Sea_Scheme_Length_Observations {
    String ioos_category "Other";
    String long_name "Pelagic_At_Sea_Scheme_Length_Observations";
  }
  Nephrops_At_Sea_Scheme_Age_Observations {
    String ioos_category "Other";
    String long_name "Nephrops_At_Sea_Scheme_Age_Observations";
  }
  Nephrops_At_Sea_Scheme_Biological_Observations {
    String ioos_category "Other";
    String long_name "Nephrops_At_Sea_Scheme_Biological_Observations";
  }
  Nephrops_At_Sea_Scheme_Length_Observations {
    String ioos_category "Other";
    String long_name "Nephrops_At_Sea_Scheme_Length_Observations";
  }
  Port_Sampling_Scheme_Age_Observations {
    String ioos_category "Other";
    String long_name "Port_Sampling_Scheme_Age_Observations";
  }
  Port_Sampling_Scheme_Biological_Observations {
    String ioos_category "Other";
    String long_name "Port_Sampling_Scheme_Biological_Observations";
  }
  Port_Sampling_Scheme_Length_Observations {
    String ioos_category "Other";
    String long_name "Port_Sampling_Scheme_Length_Observations";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    String creator_name "Marine Institute";
    String creator_url "http://www.marine.ie/";
    String history 
"2025-10-29T08:21:35Z (source database)
2025-10-29T08:21:35Z https://erddap.marine.ie/tabledap/imi_feas_obs_sp.das";
    String infoUrl "http://data.marine.ie/";
    String institution "Marine Institute";
    String keywords "OBSERVATIONS";
    String license "Creative Commons Attribution 4.0 (https://creativecommons.org/licenses/by/4.0/)";
    String sourceUrl "(source database)";
    String standard_name_vocabulary "CF Standard Name Table v29";
    String subsetVariables "Year,Quarter,ICES_Area,Gear_Code,Scientific_Name,Common_Name,AphiaID";
    String summary "FEAS All Observations by Species";
    String title "FEAS All Observations by Species";
  }
}

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.

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