BGS Hosted Metadata
Northern Rockhopper penguin Eudyptes moseleyi GPS data from Nightingale and Inaccessible islands, Tristan da Cunha, 2016
Between September to December 2016, Global Positioning System (GPS Pathtrack) data loggers were attached to breeding northern rockhopper penguins during the three distinct stages of the nest-attendance part of their breeding cycle; incubation, brood-guard and creche, on Nightingale (37 deg 25'S, 12 deg 28'W; 4 km2) and Inaccessible (37 deg 17'S, 12 deg 40'W; 14 km2) Islands.
This tracking data successfully augments and complements existing data sets for the species breeding in the South Atlantic, which enables systematic identification of areas of particular relevance for this species, and thus to help determining whether there is a need to improve marine spatial planning in form of e.g. Marine Protected Areas in the island's Exclusive Economic Zone (EEZ).
Data were collected as part of the Darwin Plus funded Project Pinnamin (grant DPLUS 053), 2016 - 2018.
Simple
- Date (Creation)
- 2018-10-29
- Date (Revision)
- 2018-10-29
- Date (Publication)
- 2018-10-29
- Date (released)
- 2018-10-29
- Edition
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1
- Unique resource identifier
- https://doi.org/10.5285/cc3fae69-7943-4e40-9d3d-fca3ce2c994c
- Codespace
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doi
- Unique resource identifier
- GB/NERC/BAS/PDC/01114
- Codespace
- Other citation details
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Please cite this item as: None
- Credit
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No credit.
- Status
- Completed
- Point of contact
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Organisation name Individual name Electronic mail address Role Royal Society for the Protection of Birds
Steinfurth, Antje
Author British Antarctic Survey Ratcliffe, Norman
Author Royal Society for the Protection of Birds
Bond, Alex
Author NERC EDS UK Polar Data Centre Point of contact
- Maintenance and update frequency
- As needed
- Maintenance note
- Completed
- Theme
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Endangered
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Eudyptes moseleyi
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Foraging
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Northern rockhopper penguin
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Tristan da Cunha
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- Place
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Nightingale Island, Tristan da Cunha South Atlantic Ocean
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GEMET - INSPIRE themes, version 1.0
- Access constraints
- Other restrictions
- 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
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This data is under embargo.
- Unique resource identifier
- url
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url
- Association Type
- dependency
- Unique resource identifier
- url
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url
- Association Type
- Larger work citation
- Unique resource identifier
- url
- Codespace
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url
- Association Type
- dependency
- Unique resource identifier
- url
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url
- Association Type
- dependency
- Unique resource identifier
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url
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- Cross reference
- Unique resource identifier
- url
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url
- Association Type
- dependency
- Spatial representation type
- Text, table
- Language
- English
- Character set
- UTF8
- Topic category
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- Biota
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- Begin date
- 2016-09-09
- End date
- 2016-12-01
- Supplemental Information
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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
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6.18.3
Distributor
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS UK Polar Data Centre Distributor
- Units of distribution
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bytes
- Transfer size
- 1
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
http://ramadda.data.bas.ac.uk/repository/entry/show?entryid=cc3fae69-7943-4e40-9d3d-fca3ce2c994c Get Data
- Hierarchy level
- Dataset
- Statement
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Methodology:
GPS tags were deployed from Inaccessible Island during brood-guard and from Nightingale Island during incubation, creche and brood-guard. Tags were attached to animals' feathers on the dorsal mid-line of the bird's lower back using overlapping layers of black waterproof tape and cyanoacrylate glue. Some GPS tags were deployed in combination with TDR devices. Birds were captured by hand or using a hand-held net at their nest site (when incubating or in brood-guard) or in the colony when feeding chicks (when in creche).
To reduce stress, only one bird per nest was tagged, with different birds captured during each breeding stage. Handling time was restricted to 15 minutes and birds were stained with temporary animal marker to allow them to be identified for recapture to retrieve loggers.
Loggers were programmed to sample positions every 0.75-3 minutes during brood-guard and creche. During incubation, various sampling rates were used as foraging trips were expected to last up to 3 weeks, and there were concerns about the batteries lasting for the entire trip. These ranged from 1 position every 10 minutes to every 5 minutes for 2 hours per day (between 00:00-01:00 h and 12:00-13:00 h). More information on sampling rates is in included in the pdf file 'Logger_settings.pdf'. All devices only recorded positions when the bird was at the water surface.
On Nightingale, equipped birds were recaptured when seen returning from the sea or at return to the nest. At Inaccessible Island, the tags downloaded data to the base station via a wireless UHF radio link, eliminating the need for tag retrieval.
Data collection:
GPS logger models used: Pathtrack nanoFix GEO on Nightingale, and Pathtrack nanoFix GEO+RT on Inaccessible (PathTrack, 54 x 19 x 15 mm, 24 g).
Data were downloaded and analysed using R (version 3.4.0, R Development Core Team).
Erroneous GPS locations were filtered by the speedfilter function (trip package, Sumner 2015) when speed exceeded 8km/h and duplicate positions removed. When devices recorded consecutive trips, data were separated into foraging trips, which were described by last and first recorded position back at the colony using QGIS (QGIS Development Team). To compensate for irregular gaps between positional fixes within the tracks, filtered data were subsequently processed using a continuous, time-correlated random walk model (crawl package, Johnson et al. 2008). Based on the simulation of 100 possible tracks the most likely or 'best fit'' path used by the penguin is generated.
Metadata
- File identifier
- cc3fae69-7943-4e40-9d3d-fca3ce2c994c XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Hierarchy level name
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dataset
- Date stamp
- 2018-10-29
- Metadata standard name
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ISO 19115 Geographic Information - Metadata
- Metadata standard version
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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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