Skomer Marine Conservation Zone ( MCZ ) - Sediment Surface Epifauna Community Surveys
In 2015 Skomer Marine Nature Reserve changed designation to Skomer Marine Conservation Zone (MCZ). Skomer Marine Nature Reserve (MNR) was designated in 1990. The aim of this data capture was to describe and monitor the sediment surface community within the Skomer Marine Reserve. The project was an investigation into the sediment surface communities from two sites at Skomer MNR.
- Dull adnabod
- Rhychwant
- Dosbarthiad
- Ansawdd
- Allweddeiriau
- System Cyfeirio Gofodol
- Cynnwys
- Cyfyngiadau
- Cynnal a chadw
- Metadata
Dull adnabod
- Dynodydd
- NRW_DS101862
- Teitl Amgen
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- Skomer Marine Conservation Zone ( MCZ ) formally a Marine Nature Reserve ( MNR ) - Sediment surface epifauna community surveys
- 2004 CCW Skomer Marine Nature Reserve sediment surface and burrowing macro and mega-fauna Survey MRCCW30900000004
- 2001 CCW Skomer Marine Nature Reserve Sediment surface epifauna community survey MRCCW16800000009
- Sediment surface and burrowing Macro and Mega fauna in Skomer MNR
- Monitoring of sediment surface and burrowing fauna
- Arfilod arwyneb y gwaddodion - GNF Ynys Sgomer
- Laith Metadata
- English
- Datganiad
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Surveys were undertaken during 1994, 2001 and 2004. Survey methodology used diver swum video transects utilising 0.25m2 quadrats. At each site samples were collected from in-situ quadrats and from 0.1m2 suction samples of the top 10 cm of sediment. All species present were recorded and counted. In 2004 CCW re-laid the transects at the two sites and contracted Coastal Assessment, Liaison and Monitoring to re-survey the infauna and epifauna using the same in-situ quadrat and suction sampling methodologies as the 2001 survey. Each site consists of a triangular arrangement of leaded ground lines anchored at each corner by various heavy objects. North of the Neck the legs of the triangle are approximately 25m long and at the Low Point site they are approximately 30m long. Quadrat surveys were carried out with the aim of recording and quantifying the numbers of all conspicuous species of surface fauna and flora. Recording was carried out in 0.5m x 0.5m (0.25m2) wire quadrats; each quadrat subdivided with strings at 10cm intervals to give 25 x 0.01m2 squares and the quadrats were placed at random positions along the transects. The divers then recorded the abundance (counts of mobile and solitary species, counts of stones colonised by colonial species, percentage cover of foliose algae) of all species seen.Samples of sediment were taken by diver operated suction sampler (c.f. Rostron, 2001) at 5 random locations along the inside of each transect lines. Random positions were determined in advance using a random number generator to give a distance (in metres) along the transect line. The samples were taken from within a 0.1m2 stainless steel box corer that was pushed down into the sediment. Samples were taken to a depth of 20cm below the sediment surface. A sample of the sediment was collected in a plastic pot for granulometric analysis at a random position close to one of the suction samples on each transect.
- Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
- 2004-10-01
Ystod amser
- Dyddiad cychwyn
- 1994-01-01
- Dyddiad gorffen
- 2004-09-30
- Categori pwnc
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- Biota
Rhychwant
Rhychwant
- Hyd
- Irish Sea
- Hyd
- St. Brides Bay
- Hyd
- SIR BENFRO - PEMBROKESHIRE
))
Maint Fertigol
- Maint allweddair MEDIN
- benthic boundary layer
Maint Fertigol
- Gwerth lleiaf
- 20
- Gwerth uchaf
- 10
- System Gyfeirio Cydlynu Fertigol
Dosbarthiad
- Fformat - Math a Disgrifiad
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Documents
()
- Math
-
[A] Excel spreadsheet. [B] Primer data file. [C] 2001 data also available in Marine Recorder (MRCCW16800000009). [D] 2004 data is also available in Marine Recorder (MRCCW30900000004).
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Documents
()
Ansawdd
Ansawdd Data
- Cwmpas Ansawdd
- Dataset
- Datganiad
-
Surveys were undertaken during 1994, 2001 and 2004. Survey methodology used diver swum video transects utilising 0.25m2 quadrats. At each site samples were collected from in-situ quadrats and from 0.1m2 suction samples of the top 10 cm of sediment. All species present were recorded and counted. In 2004 CCW re-laid the transects at the two sites and contracted Coastal Assessment, Liaison and Monitoring to re-survey the infauna and epifauna using the same in-situ quadrat and suction sampling methodologies as the 2001 survey. Each site consists of a triangular arrangement of leaded ground lines anchored at each corner by various heavy objects. North of the Neck the legs of the triangle are approximately 25m long and at the Low Point site they are approximately 30m long. Quadrat surveys were carried out with the aim of recording and quantifying the numbers of all conspicuous species of surface fauna and flora. Recording was carried out in 0.5m x 0.5m (0.25m2) wire quadrats; each quadrat subdivided with strings at 10cm intervals to give 25 x 0.01m2 squares and the quadrats were placed at random positions along the transects. The divers then recorded the abundance (counts of mobile and solitary species, counts of stones colonised by colonial species, percentage cover of foliose algae) of all species seen.Samples of sediment were taken by diver operated suction sampler (c.f. Rostron, 2001) at 5 random locations along the inside of each transect lines. Random positions were determined in advance using a random number generator to give a distance (in metres) along the transect line. The samples were taken from within a 0.1m2 stainless steel box corer that was pushed down into the sediment. Samples were taken to a depth of 20cm below the sediment surface. A sample of the sediment was collected in a plastic pot for granulometric analysis at a random position close to one of the suction samples on each transect.
Allweddeiriau
Allweddair
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2008-06-01
Allweddair
- NRW Thesaurus
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- sediment epifauna
- surface community
- megafauna
- Skomer MNR
- suction sampler
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2023-12-31
Allweddair
- SeaDataNet Parameter Discovery Vocabulary
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- Sediment grain size parameters
- Zoobenthos generic abundance
- Zoobenthos taxonomy-related counts
- Math
- Theme
Dyfyniad
- Dyddiad (Adolygu)
- 2021-01-06
System Cyfeirio Gofodol
Cynnwys
Gwybodaeth Cynnwys
Proffil CNC
Elfennau CNC
- Teitlau cysylltiedig CNC
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Skomer Marine Nature Reserve project status report 2003/4
- Teitlau cysylltiedig CNC
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Skomer Marine Nature Reserve project status report 2004/5
- Teitlau cysylltiedig CNC
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Skomer Marine Nature Reserve project status report 2005/06
Cyfyngiadau
Cyfyngiadau
Cyfyngiadau ar Fynediad a Defnydd Cyhoeddus
- Math o Gyfyngiad
- Other restrictions
Cyfarwyddeb Cyfyngiadau Mynediad
- Cyfyngiadau
- no limitations
Testun cyfyngiadau mynediad
- Cyfyngiadau eraill
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There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Defnyddiwch gyfyngiadau
- Cyfyngiadau Defnyddio
- Other restrictions
- Cyfyngiadau eraill
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© CNC/NRW 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
- 4f4c4942-4343-5764-6473-313031383632 XML
- Laith Metadata
- English
- Dynodydd Rhiant
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Skomer Marine Conservation Zone ( MCZ ) - Marine Monitoring Programme Overview
NRW_DS110059
- Math o adnodd
- Dataset
- Dyddiad Metadata
- 2024-12-09T14:34:05.094Z
- Enw Safonol Metadata
- NRW
- Fersiwn Metadata
-
1.0