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Citation
van den Hoff, J. (2009) Changes in King Penguin numbers at Gadget Gully, Macquarie Island, Ver. 1, Australian Antarctic Data Centre - doi:10.26179/5ba455d71c1d7, Accessed: 2021-12-06
Title
Changes in King Penguin numbers at Gadget Gully, Macquarie Island
Data Centre
Australian Antarctic Data Centre, Australia
DOI
doi:10.26179/5ba455d71c1d7
Created Date
2009-05-14
Revision Date
2018-09-21
Parent record
None

Description

Ground counts of King Penguin eggs, chicks, fledglings and adults at Gadget Gully on Macquarie Island (1993-2008 incomplete).

Counts were obtained in the field by observers at Gadget gully.

The data were also used in an online publication - the abstract is copied below:

During the late 19th and early 20th centuries, when blubber oil fuelled house lamps, the king penguin population at Macquarie Island was reduced from two very large (perhaps hundreds of thousands of birds) colonies to about 3000 birds. One colony, located on the isthmus when the island was discovered in 1810, was extinct by 1894 and it took about 100 years for king penguins to re-establish a viable breeding population there. Here we document this recovery. The first eggs laid at Gadget Gully on the isthmus were recorded in late February 1995 but in subsequent years egg laying took place earlier between November and February (this temporal discontinuity is a consequence of king penguin breeding behaviour). The first chick was hatched in April 1995 but the first fledgling was not raised until the following breeding season in October 1996. The colony increased on average 66% per annum in the five years between 1995 and 2000. King penguins appear resilient to catastrophic population reductions, and as the island's population increases, it is likely that other previously abandoned breeding sites will be reoccupied.

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Quality

See the online article for further information.

Data were not collected for a period of approximately 8 years between 2000 and 2008.

Access

These data are publicly available from the provided URL.

Temporal Coverages

Spatial Coverages

Science Keywords

Additional Keywords

  • King Penguins
  • Counts
  • Eggs
  • Chicks
  • Fledglings
  • Adults

Locations

  • OCEAN > SOUTHERN OCEAN
  • OCEAN > SOUTHERN OCEAN
  • GEOGRAPHIC REGION > POLAR

Platforms

  • FIELD SURVEYS
  • FIELD INVESTIGATION

Instruments

  • VISUAL OBSERVATIONS

Researchers

  • van den hoff, john (INVESTIGATOR,TECHNICAL CONTACT,DIF AUTHOR)

Use 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=King_Penguins_at_GG when using these data.

Creative Commons License