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- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
Sightings made by Tom Kennedy whilst snorkelling in Portland harbour (2 separate occasions).
1. Snorkel sightings from outfall pipe within 100m of Portland Castle in Portland Harbour. Snorkel...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
Sightings made by Tom Kennedy whilst snorkelling in Portland harbour (2 separate occasions).
1. Snorkel sightings from outfall pipe within 100m of Portland Castle in Portland Harbour. Snorkel...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
Bird data comprises point counts of bird species and their abundance observed at each collection site. Data are separated into birds within 50m, greater than 50m distant and birds in flight. These...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
Vegetation survey data comprise per-quadrat species level data and abundances, abundance cover classes (following Braun-Blanquet method), family, growth duration, habitat and native species. Data...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
Records from MCS members' dives weekend around Portland. Records were subsequently validated by an expert post-survey assessor and assigned biotopes according to the MNCR 04.05 key.
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
Records from MCS members' dives weekend around Portland. Records were subsequently validated by an expert post-survey assessor and assigned biotopes according to the MNCR 04.05 key.
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
Periphyton data consists of diatom scrubs sampled in a range of riffle and pool habitats including diatom taxa counts (identified to genus level) and computed autotrophic index (ratio of the...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 17 May 2018
Portland and Weymouth harbours are situated on the south coast of Dorset to the north of the isle of Portland (or Portland Bill). Portland harbour encloses a large area of seabed and is sheltered...
- Published by:
- Joint Nature Conservation Committee
- Last updated:
- 17 May 2018
Portland and Weymouth harbours are situated on the south coast of Dorset to the north of the isle of Portland (or Portland Bill). Portland harbour encloses a large area of seabed and is sheltered...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
Data comprise macroinvertebrate count data (identified to species level), trait and classification information, as well as information on macroinvertebrate biomass and site-specific observations...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
Soil data comprises sample depth, moisture content, % sand/silt/clay, texture, and various nitrate/nitrite/carbon metrics. These data were collected from the South Fork McKenzie River, Oregon, USA...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 July 2024
Counts and presence/absence of species of macrofauna identified from 17 grab
samples collected at South of Portland and The Hounds Marine Conservation Zone
between the 2nd and the 4th of May...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
The Yacht Havens Group Ltd (YHG Ltd), along with their consultants, Cascade Consulting of Manchester, commissioned EMU Ltd to undertake an environmental survey that was compatible with an original...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
The Yacht Havens Group Ltd (YHG Ltd), along with their consultants, Cascade Consulting of Manchester, commissioned EMU Ltd to undertake an environmental survey that was compatible with an original...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
Drop down camera footage was used to assess the location of seed mussel beds at the Shambles in the Portland to Studland cSAC. Observations from film footage were used to map beds using MapInfo gis...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
Drop down camera footage was used to assess the location of seed mussel beds at the Shambles in the Portland to Studland cSAC. Observations from film footage were used to map beds using MapInfo gis...
- Published by:
- Environmental Information Data Centre
- Last updated:
- 21 January 2026
The data comprise Sentinel-2 derived burn severity rasters covering restored and unrestored reaches of the South Fork McKenzie river, Oregon USA. The data were collected in order to quantify...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 10 September 2024
Survey run by Dr Ken Collins of the NOC (Southampton) on behalf of Dorset Wildlife Trust. These records all relate to 'Collins, K., Johnson, M., Mallinson, J. and Markey, M. (2000) Seagrass...
- Published by:
- Marine Environmental Data & Information Network
- Last updated:
- 20 July 2024
Survey run by Dr Ken Collins of the NOC (Southampton) on behalf of Dorset Wildlife Trust. These records all relate to 'Collins, K., Johnson, M., Mallinson, J. and Markey, M. (2000) Seagrass...
- Published by:
- British Geological Survey (BGS)
- Last updated:
- 15 March 2024
Cruise report for Multibeam swath bathymetry, sidescan sonar and underwater video survey in the vicinity of Portland Bill as part of the Department of Trade and Industry's (now Department of Energy...