Closed tender

Review of Sediment Contamination in the Teesmouth Estuary and Ecological Impacts to SPA Supporting Habitats

Details

Value
£12,000
Topic
Marine survey services
Published
27 January 2026
Submission
9 February 2026

Tender description

This project will undertake a comprehensive literature review of historical pollution in the Tees Estuary, drawing on academic journals, governmental reports and on-line records and datasets, grey literature, historical archives and expert insights. Existing contaminant data will be collated and synthesised through a meta‑analysis to assess temporal trends and ecological relevance to benthic habitats. The analysis will identify key contaminants, biological and abiotic thresholds, and associated ecological impacts.

Timeline

  1. Completed: Tender published27 January 2026
    Current notice
  2. Completed: Submission date9 February 2026

About the buyer

Natural England is a non-departmental public body, and buys through its own eSourcing portal for organisations wanting to work with it. Registration on the portal is free, and suppliers can browse live opportunities without commitment. Contract awards and the documents behind them are published separately on Contracts Finder, the government's central register for public sector contract opportunities and awards. Procurement queries can be directed to Natural England's own procurement support team, or to Defra's central procurement contact, depending on the enquiry. Successful bidders must supply a Dun & Bradstreet DUNS number before a contract is confirmed.

Procurement spend from central entities makes up 66% of overall UK public spend.

Over the past 5 years, most of Natural England's contract awards have been in research and development, waste, cleaning and environmental services and architectural and engineering services.

Relevant CPV codes

  • 71354500 · Marine survey services
  • 73112000 · Marine research services

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