Freshwater river macroinvertebrate surveys (Biosys)
Summary
The Environment Agency undertakes freshwater and marine biological monitoring in England. This dataset contains site, sample, metric and taxa information from freshwater river macroinvertebrate surveys carried out across England from 1965 onwards. Notes: - These survey data are stored in an archive more commonly known as BIOSYS. - This dataset contains Freshwater, River macroinvertebrate surveys only. - Pollution Samples are excluded from the dataset. - The family-level BMWP and LIFE calculations in this dataset were updated in 2018 to correct errors discovered in 2016. The Species level LIFE calculations and CCI index were updated in 2019.
Categories
Use limitation statement
There are no public access constraints to this data. Use of this data is subject to the licence identified.
Licence
Open Government LicenceAttribution statement
© Environment Agency copyright and/or database right 2023. All rights reserved.
Technical information
Update frequency
quarterly
Lineage
This dataset is derived from Biosys and contains all freshwater, river macroinvertebtrate surveys. The data are split into three subsets: Site, metric and taxa information.
Spatial information
Coordinate reference system
http://www.opengis.net/def/crs/EPSG/0/27700Geographic extent
- Latitude from: 49.943 to 55.816
- Longitude from: -6.236 to 2.072
Metadata information
Language
English
Metadata identifier
fa98090d-d715-4d34-80f9-bb7621aa7101
Published by
Environment Agency
Contact publisher
Defra Data Services ForumDataset reference dates
Creation date
01 November 2019
Revision date
30 August 2023
Publication date
N/A
Period
- From: 08 June 1965
- To: 30 August 2023