Across Wales Drop-Down Video Monitoring: Additional North Llyn Ground Truthing (2012)
Drop down video ground-truthing of additional Modiolus bed discovered partially outside the Special Area of Conservation (SAC). This follows on from previous ground-truthing carried out in 2011 (project 313). Analysis and Marine Recorder entry to be undertaken later in the year under Data Capture call-off contract. The purpose of this data capture was to conduct a ground truthing exercise through which the extent and quality of Modiolus mussel beds could be assessed in an area of the coast of the Llyn Peninsula, North Wales.
- Dull adnabod
- Rhychwant
- Dosbarthiad
- Ansawdd
- Allweddeiriau
- System Cyfeirio Gofodol
- Cynnwys
- Cyfyngiadau
- Cynnal a chadw
- Metadata
Dull adnabod
- Dynodydd
- NRW_DS115525
- Teitl Amgen
-
- 2012 CCW Towed Video Survey of North Llyn Modiolus (Additional Area) MRCCW3170000000A
- 2012 DDV ground truthing of Additional Modiolus Bed off North Llyn
- Gwaith monitro fideo tanddwr ledled Cymru 2012: Tystiolaeth ychwanegol ar gyfer Gogledd Llŷn
- Laith Metadata
- English
- Datganiad
-
This follows on from previous ground-truthing carried out in 2011 (project 313): Across Wales drop-down video monitoring, 2012: North Llyn ground truthing. Drop-down video is useful for gathering large volumes of data across wide areas of seabed and often to depths beyond which diver observations can be safely made. Detailed methods and site location are described in CCW Marine Monitoring report 24a. Amendments to the previous methods include the addition of a HD video camera system manufactured by C-Technics in place of the SD camera previously used. A Cannon EOS 400D digital SLR was also used in a housing manufactured by Rovtech systems. Photographic stills were taken every 11 seconds along the tows to assist with species and habitat validation. GIS vessel tracks exported from Boat GPS. GIS Start and end points and field notes also supplied.
- Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
- 2012-06-26
Ystod amser
- Dyddiad cychwyn
- 2012-06-25
- Dyddiad gorffen
- 2012-06-26
- Categori pwnc
-
- Biota
Rhychwant
Rhychwant
- Hyd
- GWYNEDD - GWYNEDD
))
Maint Fertigol
- Maint allweddair MEDIN
- benthic boundary layer
Dosbarthiad
- Fformat - Math a Disgrifiad
-
-
Database
()
- Math
-
[A] Video files Streamed direct from camera in .asf format [B] Still images take direct from the sledge camera in jps format [C] Spreadsheet data (field notes - Start and Stop lat/longs and times from the video and field notes about the video taken opn board the boat [D] GIS data in MapInfo .tab file format (start and end points and vessel tracks for each station) [E] Field notes held in field note book and filed locally (typed up in C) [F] Marine Recorder data entry spreadsheets [G] Marine Recorder Survey - MRCCW3170000000A
-
Database
()
Ansawdd
Ansawdd Data
- Cwmpas Ansawdd
- Dataset
- Datganiad
-
This follows on from previous ground-truthing carried out in 2011 (project 313): Across Wales drop-down video monitoring, 2012: North Llyn ground truthing. Drop-down video is useful for gathering large volumes of data across wide areas of seabed and often to depths beyond which diver observations can be safely made. Detailed methods and site location are described in CCW Marine Monitoring report 24a. Amendments to the previous methods include the addition of a HD video camera system manufactured by C-Technics in place of the SD camera previously used. A Cannon EOS 400D digital SLR was also used in a housing manufactured by Rovtech systems. Photographic stills were taken every 11 seconds along the tows to assist with species and habitat validation. GIS vessel tracks exported from Boat GPS. GIS Start and end points and field notes also supplied.
Allweddeiriau
Allweddair
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2008-06-01
Allweddair
- NRW Thesaurus
-
- Video survey
- benthic marine habitats
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2023-12-31
Allweddair
- SeaDataNet Parameter Discovery Vocabulary
-
- Habitat characterisation
- Habitat extent
- Seabed photography
- Zoobenthos taxonomic abundance
- Math
- Theme
Dyfyniad
- Dyddiad (Adolygu)
- 2021-01-06
System Cyfeirio Gofodol
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
-
There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Defnyddiwch gyfyngiadau
- Cyfyngiadau Defnyddio
- Other restrictions
- Cyfyngiadau eraill
-
© CNC/NRW 2012. Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and copyright of the owners. It is the recipient's responsibility to ensure the data is fit for the intended purpose.
Metadata
Metadata
- Dynodydd Ffeil
- 4f4c4942-4343-5764-6473-313135353235 XML
- Laith Metadata
- English
- Dynodydd Rhiant
-
Natural Resources Wales (NRW) Marine Benthic Species and Habitat Collation Held in Marine Recorder
NRW_DS114501
- Math o adnodd
- Dataset
- Dyddiad Metadata
- 2024-12-09T12:38:06.368Z
- Enw Safonol Metadata
- NRW
- Fersiwn Metadata
-
1.0