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Tenfell
Closed tender
Published 14 Aug 2015

Stodmarsh Site of Special Scientific Interest (SSSI) and Special Protection Area

Department for Environment, Food & Rural Affairs · London

Key facts

Estimated value
£20,000
Closing date
03 Sep 2015
Contract starts
13 Sep 2015
Contract ends
15 Mar 2016
Procedure
Open procedure
Buyer type
Central government

Description

Incidences of fish kill and algal blooms have given rise to concerns with regards to water control and water quality in the main NNR Reserve Lake at Stodmarsh NNR. The Reserve Lake has a complex hydrological regime which is not currently well understood. This study will enable Natural England to further understand the complex hydrological network at the lake by quantifying the water coming from different sources and the contribution of nutrients from these different sources. This project will also provide recommendations for improvements in water control and water quality, which should work towards improving the ecological condition of the site.

The specific aims are to:

• Produce a water budget to understand the complex hydrological regime at the site, specifically which sources are flowing into the lake, the flow from each source and how often it occurs. • Determine the nutrient concentration in the water entering the lake in order then to determine a nutrient budget.

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 [email protected]. The link you require for new registration/amendments to registrations is - https://defra.bravosolution.co.uk

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