Subset of data from the TAGS database of known age seals - Weddell Seals

This database is a compendium of histories of known age seals (Weddell) from observations across the Southern Ocean but focussed on the Windmill Islands, Mawson and the Vestfold Hills. Although the following information pertains to Elephant Seals, it is assumed similar procedures were undertaken with the Weddell Seals between 1973 and 2006:


At Macquarie Island 1000 seals were weighed per annum between 1993-2003 at birth and individually marked with two plastic flipper tags in the inter-digital webbing of their hind flippers. These tagged seals were weighed again at weaning, when length, girth, fat depth, and flipper measurements were made. Three weeks after weaning 2000 seals were permanently and individually marked by hot-iron branding. Recaptures and re-weighings of these known aged individuals were used to calculate growth and age-specific survival of the seals.


Similar data were collected from elephant seals between 1950 and 1965 when seals were individually marked by hot-iron branding. Mark-recapture data from these cohorts were used to assess the demography of the declining population. Length and mass data were also collected for these cohorts and were used, for the first time, to assess the growth of individual seals without killing them.


The database was held by the Australian Antarctic Data Centre, but was taken offline due to maintenance problems. A snapshot of the database was taken in June 2018 and stored in an access database.


This work was completed as part of ASAC project 90.

Simple

Identification info

Alternate title
Subset of data from the TAGS database of known age seals - Weddell Seals
Date (Publication)
2020-11-16
Edition
2
Citation identifier
Dataset DOI

Title
Information and documentation - Digital object identifier system
Date (Publication)
2012-04-23
Citation identifier
ISO 26324:2012

Citation identifier
doi:10.4225/15/5b35bbdc5c3de

Originator

Burton, H., McMahon, C., van den Hoff, J. and Hindell, M.

Publisher

Australian Antarctic Data Centre

Principal investigator

BURTON, HARRY
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Principal investigator

MCMAHON, CLIVE
Sydney Institute of Marine Science
19 Chowder Bay Road
Mosman
New South Wales
2088
Australia

Principal investigator

VAN DEN HOFF, JOHN
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Principal investigator

HINDELL, MARK A.
ANTARCTIC WILDLIFE R'SRCH UNIT
Department of Zoology
University of Tasmania
GPO BOX 252-05
Hobart
Tasmania
7001
Australia

Collaborator

MCMAHON, CLIVE
Sydney Institute of Marine Science
19 Chowder Bay Road
Mosman
New South Wales
2088
Australia
Name
CAASM Metadata
Website
https://data.aad.gov.au/metadata/records/TAGS_Weddell_Seals

Status
Completed

Custodian

AU/AADC > Australian Antarctic Data Centre, Australia - AADC, DATA OFFICER (DATA CENTER CONTACT)
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia
Topic category
  • Biota
  • Oceans

Extent

N
S
E
W


N
S
E
W


Extent

Description
Temporal Coverage

Temporal extent

TimePeriod
1973-01-22 2006-10-02
NASA/GCMD Earth Science Keywords
  • EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > MAMMALS > CARNIVORES > SEALS/SEA LIONS/WALRUSES
Keywords
  • VESTFOLD HILLS
  • MAWSON
  • WEDDELL SEAL
  • WINDMILL ISLANDS
NASA/GCMD Earth Science Keywords
  • VISUAL OBSERVATIONS
NASA/GCMD Earth Science Keywords
  • FIELD SURVEYS
NASA/GCMD Earth Science Keywords
  • OBIS > OCEAN BIOGEOGRAPHIC INFORMATION SYSTEM
  • COML > CENSUS OF MARINE LIFE
NASA/GCMD Earth Science Keywords
  • CEOS
  • AMD/AU
  • AMD
NASA/GCMD Earth Science Keywords
  • OCEAN > SOUTHERN OCEAN
  • CONTINENT > ANTARCTICA
  • GEOGRAPHIC REGION > POLAR

Resource constraints

Use limitation
This metadata record is publicly available.

Resource constraints

Access constraints
licence
Other constraints
These data had been held in an online database, but that application has since been removed from the live pages of the Australian Antarctic Data Centre. An extract of the database was taken in June, 2018 and has been attached to this metadata record, and is publicly available for download.

Resource constraints

File type
Portable Network Graphic
Linkage
Creative Commons by Attribution logo

Title
Attribution 4.0 International (CC BY 4.0)
Website
https://creativecommons.org/licenses/by/4.0/legalcode

Legal code for Creative Commons by Attribution 4.0 International license

Use constraints
licence
Other constraints
This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=TAGS_Weddell_Seals when using these data.
Language
English
Character encoding
UTF8

Distribution Information

Distributor

Distributor

AU/AADC > Australian Antarctic Data Centre, Australia - AADC, DATA OFFICER (DATA CENTER CONTACT)
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Distributor

Fees
Free
Planned available datetime
2020-11-16T00:00:00
Units of distribution
MB
Transfer size
2.4
Distribution format
  • Access

OnLine resource
GET DATA > DIRECT DOWNLOAD

Download the January 2015 snapshot of the Seal Tagging Database

OnLine resource
PROJECT HOME PAGE

Public information for ASAC project 90

OnLine resource
VIEW RELATED INFORMATION

Citation reference for this metadata record and dataset

Resource lineage

Statement
Observations are approximately 95% accurate. Errors in observation and entry possible where animals are misplaced. It is strongly recommended that prospective users of these data contact the investigators before using these data. Mark Hindell Mark.Hindell@utas.edu.au Clive McMahon clive.mcmahon@utas.edu.au John van den Hoff John.Vandenhoff@aad.gov.au
Hierarchy level
Dataset
Maintenance and update frequency
As needed
Maintenance note
2012-01-12 - record updated by Dave Connell to include a link to the database. 2016-06-16 - record updated by Dave Connell to note that the seal monitoring database is no longer online, and to include a link to a snapshot of the database. 2017-03-24 - record updated by Dave Connell after csv files were included in the download. 2017-11-02 - record updated by Dave Connell to convert it to an elephant seals subset metadata record, and publicly release the elephant seal data. 2020-11-16 - record updated by Dave Connell to publicly release the data.

Metadata

Metadata identifier
string/TAGS_Weddell_Seals

Language
English
Character encoding
UTF8

Sponsor

Australian Antarctic Division

Owner

AADC
Title
Parent Metadata Record
Citation identifier
TAGS

Type of resource

Resource scope
Dataset

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Citation identifier
9f8fb183-371d-4f52-887d-374df25268d1

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Date (Last Revision)
2020-11-16T15:13:45

Identifier

Description
metadata.extraction_date

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Citation identifier
8.6

Metadata linkage
http://data.aad.gov.au/metadata/records/TAGS_Weddell_Seals

Point of truth for the metadata record

Date info (Creation)
2000-05-07T00:00:00
Date info (Last Update)
2020-11-16

Metadata standard

Title
ISO 19115-3
Edition
2014
Other citation details
Version 1
Title
DIF to ISO 19115-1 Profile
 
 

Overviews

Spatial extent

N
S
E
W


N
S
E
W


Keywords


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