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2003 Strategic Environmental Assessment SEA5 Wessex Explorer SEA5 Survey - seabed sampling, video and geophysical survey (North Sea)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

As part of the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic Environmental Assessment (SEA5) a geophysical survey was undertaken on Wessex Explorer as...

2005 Strategic Environmental Assessment SEA6 Technical Report - Synthesis of Information on the Benthos of SEA6 Clyde Sea Area

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA6) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). This report provides...

2001 Strategic Environmental Assessment SEA2 Environmental Sampling Survey, North Sea, May 2001 Data Report ERTSL 637 - Sediment hydrocarbons and metals analyses

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

Sediment samples were collected from selected areas of the southern North Sea as part of the ongoing Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic...

2002 Strategic Environmental Assessment SEA4 Kommandor Jack SEA4 Survey Leg 1 - geophysical survey (north UKCS)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

As part of the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic Environmental Assessment (SEA4) a geophysical survey of the UKCS north of Shetland...

2001 Strategic Environmental Assessment SEA2 Technical report - Background information on marine mammals in the North Sea

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic Environmental Assessment SEA2. Eight marine mammal species occur...

2005 Strategic Environmental Assessment SEA6 Technical Report - Socio-economics. The potential socio-economic implications of licensing the SEA6 area (Irish Sea)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA6) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). The report assesses...

2002 Strategic Environmental Assessment SEA4 seabird and marine mammal observations onboard R.V. Kommandor Jack, during a multi-beam survey of the seabed in the Faroe-Shetland channel, July 2002 (north UKCS)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

A seabird and cetacean survey was conducted onboard RV Kommandor Jack in July 2002 as part of the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic...

2002 Strategic Environmental Assessment SEA3 Technical report - Plankton ecology (Addendum to SEA2 report), North Sea

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA3) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change) and has been written...

2005 Strategic Environmental Assessment SEA6 Technical Report - Sea Mammal Research - Background Information on Marine Mammals (Irish Sea)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA6) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). Seven marine mammal...

2002 Strategic Environmental Assessment SEA2 Laboratory report. Grain size analyses sea bed sediments collected in North Sea, 2001. BGS Tech Note CR/01/193

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is the product of the laboratory analyses carried out on sediments collected on the MV Kommandor Jack during the summer or 2001 as part of Department of Trade and Industry's (now...

2001 Strategic Environmental Assessment SEA2 Technical report - North Sea Geology, covering subsurface geology, sea-bed sediments, sediment mobility and seismicity.

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic Environmental Assessment SEA2. This review presents a summary of...

2001 Strategic Environmental Assessment SEA2 Technical report - An overview of plankton ecology in the North Sea

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Department of Trade and Industry's (now Department of Energy and Climate Change) Strategic Environmental Assessment SEA2. It gives an overview of the...

2006 Strategic Environmental Assessment SEA7 sample analysis - Physical/chemical analysis of marine sediment samples collected during the SEA7 survey August/September 2005 (NE Atlantic west of Scotland)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report present the data obtained from the analysis of sediment samples collected during survey operations for the Department of Trade and Industry's (now Department of Energy and Climate...

2005 Strategic Environmental Assessment SEA6 Technical Report - The Distribution and extent of methane-derived authigenic carbonate (Irish Sea)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA6) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). Methane-derived...

GCN - Strategic Opportunity Areas (North Somerset and South Gloucestershire)

• Published by: Natural England
• Last updated: 29 April 2026

This dataset identifies areas where the addition of new ponds would benefit Great Crested Newt populations. The core areas contain a pond density of 2+ ponds and are located within a 1km square...

Strategic Environmental Assessment (SEA) Data and Related Information (1999-)

• Published by: British Geological Survey (BGS)
• Last updated: 25 June 2026

The SEA portal is managed by the BGS on behalf of DECC and provides free access to downloadable data, information and reports which have been produced through the SEA process. The Department of...

2004 Strategic Environmental Assessment SEA5 Seabed and superficial geology and processes, BGS Report CR/04/064N (North Sea)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA5) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). This report reviews...

2002 Strategic Environmental Assessment SEA3 Technical report - Marine mammals, North Sea (Addendum to SEA2 report)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA3) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change) and is an addendum to...

2003 Strategic Environmental Assessment SEA2 Sediment hydrocarbon analyses of seabed sediments collected in Central and Southern North Sea, May/June 2001 ERT Report 637/R004

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

As part of the UK Department of Trade and Industry's (now Department of Energy and Climate Change) sectorial Strategic Environmental Assessment (SEA) programme a seabed survey programme (SEA2) was...

2003 Strategic Environmental Assessment SEA4 Technical report - Geological evolution pilot whale diapirs and stability of the seabed habitat (north UKCS)

• Published by: British Geological Survey (BGS)
• Last updated: 15 March 2024

This report is a contribution to the Strategic Environmental Assessment (SEA4) conducted by the Department of Trade and Industry (now Department of Energy and Climate Change). The report describes...