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Weights of Macaroni Penguins collected by automatic weighbridge at Fairy point colony, Bird Island, South Georgia, from 2009 onwards

The use of automated systems to record the identity of individual penguins and their movements in and out of a colony can provide an effective means of studying penguin biology remotely. In 2002 an automatic gateway was installed at the only access point to the Macaroni Penguin (Eudyptes chrysolophus) colony at Fairy Point, Bird Island. Taking advantage of the colony's geography, which ensured that the birds have only one route between the colony and the sea, the gateway initially recorded bird identities from implanted radio frequency identification transponders (RFID tags). In 2009 a weighbridge was installed which records the weight of each bird and the direction of travel and from 2011 onwards the two systems, RFID antenna and weighbridge, were built into the same unit meaning it was now possible to confidently match the crossing data with bird identities.

Simple

Date (Creation)
2019-07-16
Date (Revision)
2019-07-16
Date (Publication)
2019-07-16
Date (released)
2019-07-16
Edition
1
Unique resource identifier
d5a75a79-e382-46a7-8974-e2c9d699bf40
Codespace
uuid
Unique resource identifier
GB/NERC/BAS/PDC/01195
Codespace
https://data.bas.ac.uk/
Other citation details
Please cite this item as: None
Credit
No credit.
Status
completed Completed
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Maintenance and update frequency
asNeeded As needed
Maintenance note
completed Completed
Global Change Master Directory (GCMD) Science Keywords
  • EARTH SCIENCE > Biosphere > Ecological Dynamics > Endangered Species
  • EARTH SCIENCE > Biosphere > Ecological Dynamics > Indicator Species
  • EARTH SCIENCE > Biosphere > Ecological Dynamics > Life History
Theme
  • Eudyptes chrysolophus
  • Macaroni Penguin
  • weighbridge
Place
  • Fairy Point, Bird Island South Georgia Island
GEMET - INSPIRE themes, version 1.0
  • Habitats and biotopes
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations to public access
Access constraints
otherRestrictions Other restrictions
Other constraints
no limitations
Use constraints
license License
Other constraints
Open Government Licence v3.0
Use constraints
otherRestrictions Other restrictions
Other constraints
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
otherRestrictions Other restrictions
Other constraints
This data is governed by the NERC data policy and supplied under Open Government Licence v.3
Unique resource identifier
doi
Codespace
doi
Association Type
crossReference Cross reference
Unique resource identifier
doi
Codespace
doi
Association Type
crossReference Cross reference
Spatial representation type
textTable Text, table
Metadata language
engEnglish
Character set
utf8 UTF8
Topic category
  • Biota
N
S
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W
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Begin date
2011-10-26
End date
2011-10-26
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.
Date (Publication)
2008-11-12
Publisher
  European Petroleum Survey Group
https://www.epsg-registry.org/
Unique resource identifier
urn:ogc:def:crs:EPSG::3031
Version
6.18.3

Distributor

Distributor
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
Units of distribution
bytes
Transfer size
1
Protocol
WWW:LINK-1.0-http--link
Name
Get Data
Description
Download data
Function
download Download
Hierarchy level
dataset Dataset
Statement

Methodology:

The weighbridge is deployed at the start of the breeding season, before the Macaroni penguins begin to arrive. The bridge consists of two horizontal, rectangular, "marine plywood" panels set one above another and separated by two load cells, one at each end. When a penguin enters the bridge the system is triggered to record. The load cells are powered up and the force on both cells is measured 200 times a second for 3.7 seconds. The device records the sum of both load cells, this figure is used to calculate the penguin weight, and the value of the land side load cell, which is used to calculate direction of travel. The RFID antenna is also triggered to record. All records are time stamped. Further information on the set up of the weighbridge as well as the calculations used to establish bird weight can be found in Afanasyev et al. (2015). The weighbridge is calibrated and the data downloaded regularly: usually weekly at the height of the season.

All data were collected under permit from the Government of South Georgia and the South Sandwich Islands.

File identifier
d5a75a79-e382-46a7-8974-e2c9d699bf40 XML
Metadata language
engEnglish
Character set
utf8 UTF8
Hierarchy level
dataset Dataset
Hierarchy level name
dataset
Date stamp
2019-07-16
Metadata standard name
ISO 19115 Geographic Information - Metadata
Metadata standard version
ISO 19115:2003(E)
Point of contact
  NERC EDS UK Polar Data Centre
British Antarctic Survey, High Cross, Madingley Road , Cambridge , Cambridgeshire , CB3 0ET , United Kingdom
+44 (0)1223 221400
https://www.bas.ac.uk/team/business-teams/information-services/uk-polar-data-centre/
 
 

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Spatial extent

N
S
E
W
thumbnail


Keywords

Eudyptes chrysolophus Macaroni Penguin weighbridge
GEMET - INSPIRE themes, version 1.0
Habitats and biotopes
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > Biosphere > Ecological Dynamics > Endangered Species EARTH SCIENCE > Biosphere > Ecological Dynamics > Indicator Species EARTH SCIENCE > Biosphere > Ecological Dynamics > Life History

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