Source: https://tendernation.io/opportunities/01a13cdd-83ee-71d0-b1af-e4837e2c8a69/survey-of-invertebrate-assemblages-of-saltmarsh-within-humber-estuary-site-of-sp awarded GB open procedure Suitable for SMEs # Survey of invertebrate assemblages of saltmarsh within Humber Estuary Site of Special Scientific Interest [Natural England](https://tendernation.io/buyers/natural-england) Estimated value £10,000 to £30,000 Published 28 Feb 2024 Deadline Closed 22 Mar 2024 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Surveys of invertebrates associated with saltmarsh within the Humber Estuary, using Common Standards Monitoring sampling protocols. The survey sites are Welwick saltmarsh (East Yorkshire), Tetney Marshes (Lincolnshire), Grainthorpe Haven (Lincolnshire), Saltfleet (Lincolnshire), with 4 sample locations at each site. 4 visits will be made between early May and end of September 2024, spread throughout the field season, with at least 4 weeks between visits. Assess the current state of the invertebrate assemblages associated with saltmarsh and associated habitats, using a combination of free-ranging searches and standardised survey methods. This includes pond netting, ground searching, spot sweeping, sweep netting. The main groups are Coleoptera and Diptera. To characterise the invertebrate assemblages and assess their quality and condition, using Pantheon, a database tool developed by Natural England and the Centre for Ecology & Hydrology. To record brief habitat data to aid understanding of the habitat requirements of the assemblages. To provide habitat management recommendations for the invertebrate assemblages. There may be sensitive areas for breeding birds, including Schedule 1 species. This is difficult terrain and health and safety is key within tidal areas. The timing of visits will be constrained by tide times. Contract to start April 2024, with final report to be submitted by 15 March 2025. Additional information: To apply for this opportunity you must submit your quotation meeting the requirements detailed in the Request for Quotation (RFQ) attached. Your response must be sent to by 12 midday on 22 March 2024. If you have any clarification questions linked to this opportunity or the procurement process please submit these via email to . Please note that, unless commercially sensitive, both the question and the response will be circulated to all tenderers. Read full description ## CPV classification Environmental services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/4147b3fb-3c43-4241-8a10-42405a6e47fd) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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