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OSNI Open Data: River Basin LIDAR 2004 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 16 December 2025

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2007 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 16 December 2025

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2013 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 16 December 2025

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2009 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 23 December 2025

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

OSNI Open Data: River Basin LIDAR 2010 - DTMs and DSMs

• Published by: OpenDataNI
• Last updated: 25 March 2026

Terrain (DTM) & Surface (DSM) elevation models of river basins derived from airborne LIDAR survey systems. A Digital Terrain Model (DTM) is a digital file consisting of a grid of...

Aeromagnetic Survey Of Great Britain And Northern Ireland

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

Digitised version of aeromagnetic survey records of Great Britain comprising a record for each digitised point, supported by survey and 'ends and bends' based line indexes. Original records include...

2008 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

1997 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2010 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2009 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2004 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2000 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2003 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

1998 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2015 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2012 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2005 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 10 September 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2014 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 20 July 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2006 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 20 July 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...

2011 The Environment Agency (EA) Tamar and Lynher Rivers and Estuaries Shad surveys and records

• Published by: Marine Environmental Data & Information Network
• Last updated: 20 July 2024

1. Records of Shad sp. and Allis Shad catches by commercial salmon netsmen (Allis Shad where species identification confirmed from examination by expert); 2. Records of Shad and Allis Shad (Allis...