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ocds-b5fd17-9e89ff1b-9ffd-4571-9567-322df12c4534Published facts
fa94c237-677b-4d97-a1ed-9b80e5055a90-133371Objectives Review chemical determinands measured for site downstream of the STP for changes in chemistry before, during and after GAC treatment. •Review habitat quality for invertebrates from macrophyte and RHS information •Plot macroinvertebrate scores (ASPT, BMWP etc) for each sampling site over duration of records •Plot abundance of each macroinvertebrate family for each sampling site over duration of records •Plot changes in diatom community over time as far as data permits. •Examine communities before, during and after the GAC period. Do Pearson product-moment correlations for all forms of wildlife downstream of the STP against conductivity (a reliable marker of GAC activity but others may also be suitable). Identify if any statistically significant change in any wildlife occurred with respect to GAC operation. If changes in wildlife occurred associated with the GAC running, would they be indicated as beneficial under the WFD scoring system, in other words leading to higher BMWP, ASPT scores etc. Additional information: Please note that Defra procurement uses e-tendering, provided by Bravosolutions. In order to access the Bravo system you will need to be registered. Could I therefore request that you register on the Bravo portal for Defra. If you're already registered on the Bravo portal please check that your registration includes Defra, as you have to specify us in order to correctly receive the tender documents. If you have any problems with the registration process, please contact the Bravo helpline on 0800 368 4850 or alternatively email them at help@bravosolution.co.uk. The link you require for new registration/amendments to registrations is - https://defra.bravosolution.co.uk
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Award notice observed
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fa94c237-677b-4d97-a1ed-9b80e5055a90-133371Awards and suppliers
Buyer: Defra Network eTendering PortalSupplier: Centre for Ecology & Hydrology
ocds-b5fd17-9e89ff1b-9ffd-4571-9567-322df12c4534-1End dates, recurrence wording and links are shown as they appear in public notices. They do not create a new opportunity. If no later linked record appears here, that means Bidwake did not find one in the records it has loaded; it does not prove that none exists.