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This classification method enables the assessment of fish in rivers according to the requirements of the Water Framework Directive (WFD). It encompasses fish abundance, taxonomic composition and age structure.

Publication Date: 
16-September-2021
Publication Status: 
Final
Advisory Group: 
UKTAG

This classification method enables the assessment of invertebrates in rivers in relation to general degradation, including organic pollution.

Publication Date: 
20-May-2021
Advisory Group: 
UKTAG

Further to the UKTAG Biological and Environmental Standards consultation May 2019, the working paper outlining impact classification of alien

Publication Date: 
29-January-2021
Advisory Group: 
UKTAG

UKTAG has sought views and comments on the scientific work that underpins proposals for fish classification.  This classification is designed for use in taking decisions under the Water Framework Directive (WFD).

Publication Date: 
14-October-2020
Publication Status: 
Final
Advisory Group: 
UKTAG

A method statement describing how to determine the WFD class boundary values for the supporting element nitrogen in lakes.  Environmental standards for total nitrogen have been developed for implementation in the third river basin planning cycle.

Publication Date: 
18-September-2020
Publication Status: 
Final
Advisory Group: 
UKTAG

Phytobenthos are good indicators of nutrient enrichment and other pressures, and can be used to assess river water quality. Diatoms are the main plant groups that we use because their silica shells are easy to identify under the microscope.

Publication Date: 
18-September-2020
Publication Status: 
Final
Advisory Group: 
UKTAG

Informative note on progress with, and the status of, recent developments in river phytobenthos analysis methods and the classification tool (DARLEQ) for the third River Basin Planning Cycle.

Publication Date: 
01-November-2019
Advisory Group: 
UKTAG

UKTAG has sought views and comments on the scientific work that underpins the latest set of proposals for biological and environmental standards. The standards are designed for use in taking decisions under the Water Framework Directive (WFD).

Publication Date: 
01-November-2019
Advisory Group: 
UKTAG

This paper details the procedures for translating the definitions of good groundwater chemical status into an operational classification system.

Publication Date: 
03-April-2019
Advisory Group: 
UKTAG

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