Holyhead Marina Ultrasound Trial Footage 2020-2021
Video (MP4) taken by a Natural Resources Wales owned Underwater Remotely Operated Vehicle (Chasing Innovation M2) at Holyhead marina. This was part of the baseline survey and monitoring of effectiveness of the ultrasound trial attempted in Holyhead marina to eradicate Didemnum vexillum. Video stills (JPG) were captured from the footage. The data was collected between October 2020 and January 2021.
- Dull adnabod
- Rhychwant
- Dosbarthiad
- Ansawdd
- Allweddeiriau
- System Cyfeirio Gofodol
- Cynnwys
- Cyfyngiadau
- Cynnal a chadw
- Metadata
Dull adnabod
- Dynodydd
- NRW_DS125389
- Teitl Amgen
-
- Holyhead Marina pontoon video survey supporting the Didemnum vexillum ultrasound eradication trial
- Laith Metadata
- English
- Datganiad
-
The UROV was deployed and operated from the surface by a suitably qualified pilot. Footage was taken in horizontal transect lines along the 6 operational Holyhead Marina pontoons at depths of 0.5 meters and 1.5 meters. The UROV was operated so that it captured footage of the marine growth attached to the pontoon surfaces and allowed for identification of areas where D. vex was present. At times the pontoon surfaces were obscured by heavy algal cover which affected the analysis of the video footage.
- Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
- 2022-11-09
Ystod amser
- Dyddiad cychwyn
- 2020-10-01
- Dyddiad gorffen
- 2021-01-31
- Categori pwnc
-
- Biota
Rhychwant
Rhychwant
- Hyd
- Irish Sea
))
Maint Fertigol
- Maint allweddair MEDIN
-
infralittoral
Maint Fertigol
- Gwerth lleiaf
- 0.5
- Gwerth uchaf
- 1.5
- System Gyfeirio Cydlynu Fertigol
Dosbarthiad
- Fformat - Math a Disgrifiad
-
-
Image
Image
()
- Math
-
Movie: MP4 video files of the marine life on the pontoons at Holyhead marina before and after the ultrasound trial Image: Still images in PNG format of the marine life on the pontoons at Holyhead marina before and after the ultrasound trial
-
Image
Image
()
Ansawdd
Ansawdd Data
- Cwmpas Ansawdd
- Dataset
- Datganiad
-
The UROV was deployed and operated from the surface by a suitably qualified pilot. Footage was taken in horizontal transect lines along the 6 operational Holyhead Marina pontoons at depths of 0.5 meters and 1.5 meters. The UROV was operated so that it captured footage of the marine growth attached to the pontoon surfaces and allowed for identification of areas where D. vex was present. At times the pontoon surfaces were obscured by heavy algal cover which affected the analysis of the video footage.
Allweddeiriau
Allweddair
Allweddair
- NRW Thesaurus
-
- Invasive Non-Native Species (INNS)
- Holyhead marina
- Holyhead
- Didemnum vexillum
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2023-12-31
Allweddair
- SeaDataNet Parameter Discovery Vocabulary
-
- Habitat characterisation
- Habitat extent
- Seabed photography
- Math
- Theme
Dyfyniad
- Dyddiad (Adolygu)
- 2021-01-06
System Cyfeirio Gofodol
- Cod
- NONE
Cynnwys
Gwybodaeth Cynnwys
Proffil CNC
Elfennau CNC
Cyfyngiadau
Cyfyngiadau
Cyfyngiadau ar Fynediad a Defnydd Cyhoeddus
- Math o Gyfyngiad
- Other restrictions
Cyfarwyddeb Cyfyngiadau Mynediad
- Cyfyngiadau
- no limitations
Testun cyfyngiadau mynediad
- Cyfyngiadau eraill
-
Access restrictions on this data have not been determined. It may contain sensitive information and therefore may be restricted under legislation. NRW may provide access to this dataset on request, however NRW may not release, publish or disseminate the data or derived products freely without further assessment.
Defnyddiwch gyfyngiadau
- Cyfyngiadau Defnyddio
- Other restrictions
- Cyfyngiadau eraill
-
© CNC/NRW Data may only be re-used externally under provision and in line with the terms of a NRW licence following an assessment of the data.
Metadata
Metadata
- Dynodydd Ffeil
- 4f4c4942-4343-5764-6473-313235333839 XML
- Laith Metadata
- English
- Math o adnodd
- Dataset
- Dyddiad Metadata
- 2024-05-31T09:38:31.243Z
- Enw Safonol Metadata
- NRW
- Fersiwn Metadata
-
1.0