BGS Hosted Metadata
Whole island counts of South Georgia Shag nests at Bird Island, South Georgia, from 1989-2020
Whole island counts of the number of active nests of South Georgia shag Leucocarbo [atriceps] georgianus on Bird Island. Counts were first made in 1989-1990. A repeat count was made in 1994-95 and from 2012-13 onwards active nests have been counted either biennially or annually.
Simple
- Date (Creation)
- 2019-07-24
- Date (Revision)
- 2019-07-24
- Date (Publication)
- 2019-07-24
- Date (released)
- 2019-07-24
- Edition
-
1.0
- Unique resource identifier
- https://doi.org/10.5285/fc18715a-07d6-4d03-b27c-124637338201
- Codespace
-
doi
- Unique resource identifier
- GB/NERC/BAS/PDC/01198
- Codespace
- Other citation details
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Please cite this item as: Wood, A. (2020). Whole island counts of South Georgia Shag nests at Bird Island, South Georgia, from 1989-2020 (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/fc18715a-07d6-4d03-b27c-124637338201
- Credit
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No credit.
- Status
- Completed
- Point of contact
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Organisation name Individual name Electronic mail address Role British Antarctic Survey Wood, Andrew
Author NERC EDS UK Polar Data Centre Point of contact
- Maintenance and update frequency
- As needed
- Maintenance note
- Completed
- Theme
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Bird Island
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Blue-eyed Shag
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Colony counts
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Phalacrocoracidae
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Population
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South Georgia Shag
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- Place
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Bird Island South Georgia Island
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GEMET - INSPIRE themes, version 1.0
- Access constraints
- Other restrictions
- Other constraints
- no limitations to public access
- Access constraints
- Other restrictions
- Other constraints
- no limitations
- Use constraints
- License
- Other constraints
- Open Government Licence v3.0
- Use constraints
- Other restrictions
- Other constraints
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This data is governed by the NERC Data Policy: https://www.ukri.org/who-we-are/nerc/our-policies-and-standards/nerc-data-policy/
- Use constraints
- Other restrictions
- Other constraints
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This data is governed by the NERC data policy and supplied under Open Government Licence v.3
- Use constraints
- Other restrictions
- Other constraints
-
None.
- Unique resource identifier
- url
- Codespace
-
url
- Association Type
- Cross reference
- Unique resource identifier
- doi
- Codespace
-
doi
- Association Type
- Cross reference
- Spatial representation type
- Text, table
- Language
- English
- Character set
- UTF8
- Topic category
-
- Biota
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- Begin date
- 1989-10-01
- End date
- 2019-11-20
- Supplemental Information
-
It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk.
- Title
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European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
- Date (Publication)
- 2008-11-12
- Cited responsible party
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Organisation name Individual name Electronic mail address Role European Petroleum Survey Group
Publisher
- Unique resource identifier
- urn:ogc:def:crs:EPSG::3031
- Version
-
6.18.3
Distributor
- Distributor contact
-
Organisation name Individual name Electronic mail address Role NERC EDS UK Polar Data Centre Distributor
- Distributor format
-
Name Version text/csv application/pdf
- Units of distribution
-
bytes
- Transfer size
- 440013
- OnLine resource
-
Protocol Linkage Name WWW:LINK-1.0-http--link
https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=fc18715a-07d6-4d03-b27c-124637338201 Get Data
- Units of distribution
-
bytes
- Transfer size
- 440013
- OnLine resource
-
Protocol Linkage Name WWW:LINK-1.0-http--link
https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=fc18715a-07d6-4d03-b27c-124637338201 Get Data
- Hierarchy level
- Dataset
- Statement
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Methodology:
Observational data is collected as part of a long term population monitoring initiative carried out over multiple decades. Counts take place over a number of days, at up to 21 colonies across Bird Island. Not all colonies are occupied in all seasons.
Annually collected egg-laying data from two colonies on Bird Island (Wanderer Ridge Extension and Pearson Point) are used to determine optimal survey dates for breeding pairs, at which time all other colonies are surveyed and occupied nests recorded.
Birds are observed either from within the colony, or from a nearby vantage point using binoculars. Birds are counted if they are sitting tight, or are deemed to have well-built nests. Experienced observers survey each colony area at least twice in the same day. Surveys are repeated until the two counts are within 10%. The mean count value is then calculated and presented. More recently, some counts have been conducted using counts of nests in photographs.
The 1989/90 and 1994/95 data were collected by Centre for Ecology and Hydrology researchers (Sarah Wanless and Mike Harris). Subsequent data has been collected as part of the British Antarctic Survey long-term monitoring programme at Bird Island. Data has been collected by a number of different observers, who are listed with the count data.
All data were collected under permit from the Government of South Georgia and the South Sandwich Islands.
All sampling procedures used were regulated by the British Antarctic Survey Ethical Review Committee in collaboration with Cambridge University and the UK Home Office.
Data quality:
Differences in the methods are specified under Comments in the data.
Metadata
- File identifier
- fc18715a-07d6-4d03-b27c-124637338201 XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Hierarchy level name
-
dataset
- Date stamp
- 2019-07-24
- Metadata standard name
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ISO 19115 Geographic Information - Metadata
- Metadata standard version
-
ISO 19115:2003(E)
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS UK Polar Data Centre Point of contact
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