Step 1: Select survey sites On the map, sketch a polygon or click on a WFD catchment.
Step 2: Select a taxonomic group Select a group from the list below.

Step 3: Select interest Choose between individual taxa counts or ecological indices

Step 5 (optional): Narrow and/or name the returned data. e.g. For the first month of January 2023 enter 01/01/2023 and 01/02/2023. Start date End date If you download the data as CSV your filename will begin with this. Get data Download data as CSV Clear all Step 1: Select API Step 2: Select survey sites On the map, sketch a polygon or click on a WFD catchment.
Step 3: Select a species The list will generate once Step 1 is complete. Step 4 (optional): Narrow and/or name the returned data. Filter the data by one of the following measures. If no metric is selected then all data will be returned.

'The age band of (a) fish e.g. 0+ fish in first full year of life; 1+ fish in second full year of full life; >1+ minimum possible age of fish. A hyphen signifies all ages combined, whilst ‘Age?’ signifies that the age is unknown.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Catch efficiency estimate (Carle and Strub MWL) by species on survey.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Standard error of the catch efficiency.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Number of fish (of each species) caught. May be given for fish of all ages combined, or by individual age band(s).'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'The recorded total length of an individual (LW Measured) fish (mm).'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Fish (of each species) observed by the survey, but recorded on a log abundance scale only.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Population estimate (Carle and Strub MWL) by species on survey.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Standard error of the Carle and Strub MWL population estimate.'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'Total number of fish (of a species) caught by the survey (all runs, recording methods combined).'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

'The recorded weight of an individual (LW Measured) fish (g).'

Source: Environment Agency Ecology and Fish Data API (1.0.0)

e.g. For the first month of January 2023 enter 01/01/2023 and 01/02/2023. Start date End date If you download the data as CSV your filename will begin with this. Get data Download data as CSV Clear all Step 1: Select API The EA Rainfall API returns recent rainfall data (from within the last month). The EA Hydrology API returns historical rainfall data (from within an unspecified timeframe). Step 2: Select monitoring stations On the map, sketch a polygon or click on a WFD catchment.
Step 3 (optional): Narrow and/or name the returned data. e.g. For the first month of January 2000 enter 01/01/2020 and 01/02/2020. Start date End date If you download the data as CSV your filename will begin with this. Get data Download data as CSV Clear all Step 1: Select sampling points On the map, sketch a polygon or click on a WFD catchment.
Step 2: Select a determinand The list will generate once Step 1 is complete. Step 3 (optional): Narrow and/or name the returned data. e.g. For the first month of January 2023 enter 01/01/2023 and 01/02/2023. Start date End date If you download the data as CSV your filename will begin with this. Get data Download data as CSV Clear all
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Tool developed with support from Catchment Based Approach (CaBA), the Esmée Fairbairn Foundation and Natural Course.
*This app is still under testing and development. For any enquiries please contact data@theriverstrust.org.