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Tender Details
- Country: United Kingdom
- Summary: Cefas24-134 Request for Quotation for a Geophysical and Bathymetric Survey of the Sabellaria Spinulosa Reefs in the Wash
- GBT Ref No: 107394852
- Deadline: 09 Oct 2024
- Competition: ICB
- Financier: Self Financed
- Purchaser Ownership: Public
- Tender Value: 110000
- Notice Type: Tender
- Document Ref. No.: CF-0368100D8d000003VQwdEAG
- Purchaser's Detail :
- Description :
- The Marine Protected Area (MPA) monitoring programme is funded by the Department for Environment, Food and Rural Affairs (DEFRA) and through this programme, Cefas co-ordinates some of the evidence collection for the monitoring of MPAs in English waters.
The Ross Worm Sabellaria spinulosa is a sedentary, epifaunal polychaete worm which builds tubes by consolidating particles of sediment (Limpenny et al, 2010). S. spinulosa is abundant in UK waters, largely existing in solitary form or within small, low-lying aggregations (Hayward and Ryland, 1990). However, under the right environmental conditions they also can establish dense colonies and form biogenic reefs. These biogenic reefs are protected as an Annex I habitat under the EU Habitats Directive (EEC, 1992), and Special Areas of Conservation (SACs) are designated for their protection.
Important areas of consistently occurring reef have been found across The Wash where extensive areas of subtidal mixed sediments in the tide-swept approaches provide the right conditions for reefs to form, particularly in deeper waters. These reefs are an important but understudied feature of both The Wash and North Norfolk Coast (WNNC) SAC and Inner Dowsing, Race Bank and North Ridge (IDRBNR) SAC - named as 'The Wash and its approaches' hereafter.
Requirement:
With the aim of improving our understanding of the extent, distribution, and nature of S. spinulosa biogenic reef (i.e. reefiness) across The Wash and its ... - Documents :
Purchaser : CEFAS
Pakefield Road Lowestoft NR33 0HT GB
Contact Person : Jade Peek
Email :procure@cefas.gov.uk
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