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Measurement Data Component

Title: Hampshire Avon DTC Macrophyte Monitoring Data 2011-2013
Related Party - Individual (Project Scientist): Doctor Iwan Jones* (Queen Mary University of London) Email address: j.i.jones@qmul.ac.uk
Related Party - Organisation (Funder): Defra
Related Party - Organisation (Author): Hants Avon DTC consortium
Abstract:
In conjunction with the hydrological and water quality monitoring, a monitoring regime was designed to detect how freshwater ecology responds to changes in agricultural diffuse pollutants. The data gathered have been used to confirm the WFD ecological status of the study sub-catchments, to explore spatial and temporal variability in biological quality elements, and to identify those pollutants that are most likely to be causing failure to achieve Good ecological status. This background data provides an evidence base to both inform, and assess the impact of, mitigation measures. Macrophytes were surveyed in each subcatchment and WFD tools have been used to establish the status of this Biological Quality Element (BQE). The biological monitoring sites are closely matched to the hydrological and water quality monitoring stations, which will allow observed change in the BQE to be linked to reductions in diffuse pollution and on-farm diffuse pollution mitigation measures. The macrophyte monitoring data being made available here consists of the list of plant taxa found (with an areal cover estimate) and associated environmental data in each surveyed reach at the 11 Avon & Tamar DTC sites.
Subject Keywords: RiversStreamsMacrophytesWater Framework DirectiveBiological monitoring
Geographic Keywords: Hampshire Avon catchmentTamar catchment
Observed Properties: AreaDateElectrical conductivityElevationLatitudeLengthLongitudeMacrophytesRiversSamplingSite surveysStrahler stream orderStream gradientTaxon cover value
Parameter: Catchment area
Parameter: Distance from source
Parameter: Latitude
Parameter: Longitude
Parameter: Replicate
Parameter: River Name
Parameter: Sampling Date
Parameter: Site Elevation
Parameter: Site Name
Parameter: Source Elevation
Parameter: Stream Order
Parameter: Stream gradient
Parameter: Stream water conductivity
Parameter: Taxon cover value
Parameter: Taxon name

Geographic Extent -
    Longitude (West): -4.542589
    Longitude (East): -1.991100
    Latitude (South): 50.670085
    Latitude (North): 51.135872

Phenomenon Time -  Start Date/Time: 2011-01-01 00:00:00 End Date/Time:  2013-12-31 00:00:00
Result Time: 2013-12-31 00:00:00
Valid Time -  Start Date/Time: 2013-12-31 00:00:00
Feature of Interest: biosphere
Publication Date: 2016-05-09

This data is made available under the terms of the Open Government Licence (Version 3).

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