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Personal profile

Research interests

Amanda works as a research associate on the NESP Threatened Species Hub project 'Strategic Planning for the Far Eastern Curlew'. She is investigating the ecological needs of this critically endangered migratory shorebird. She is specifically looking at how the species interacts with the coastal environment during the non-breeding season. The project is a partnership with Larrakia Rangers and is funded by industry partner Darwin Port. 

 

Amanda is also interested in the trends of migratory shorebirds across Australia, with a special interest in grassland species such as the Little Curlew. 

 

Amanda is also a PhD candidate at Charles Darwin University, her PhD is titled 'Constraints to migratory shorebird populations at a tropical non-breeding site in northern Australia'. 

 Abstract:

The populations of many species of shorebird that migrate within the East Asian-Australasian Flyway have declined rapidly. The responsibility for management of these migratory species is shared among the managers of the network of sites used by the birds in many political jurisdictions. This study aims to improve knowledge of the habitat requirements of the shorebirds at a site in northern Australia, Darwin Harbour, which is a terminus for some migrants and a staging post for others. To place the local population in a global context, I first examined trends in structural size and body mass over time across multiple sites in Australia. I found that both have been declining as the climate has warmed but that individuals from the Darwin study site, in particular, were smaller and lighter than their equivalents elsewhere. The decline in size has been occurring at the same time as my analysis of local numbers of shorebird populations demonstrates that they have been increasing in Darwin, often in contrast to trends nationally and globally. While smaller size may have reduced metabolic demand of shorebirds, allowing them to remain in less productive tropical habitats than they would normally do, another more likely reason for the increase is the creation of an industrial site that the shorebirds use as an additional safe roost close to feeding grounds. My two companion studies of the relationship between roosting and feeding sites and the availability of food showed that both roosting and feeding sites are part of a network that the birds, the use of which varies not only daily in line with the tidal cycle but also seasonally as food availability changes. My research therefore suggests that Darwin Harbour needs to be managed as a network of related sites. While the addition of an extra roosting site appears to have increased harbour usage by the migratory shorebirds, a failure to manage the full network of feeding sites could reverse this trend. 

 

Education/Academic qualification

Bachelor

Award Date: 30 Nov 2012

Bachelor, University of Newcastle

Award Date: 30 Jun 2011

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Research Output

  • 5 Article
  • 3 Other types of outputs
  • 1 Other report
  • 1 Comment/debate

Distribution and abundance of migratory shorebirds in Darwin Harbour, Northern Territory, Australia

Lilleyman, A., Alley, A., Jackson, D., O'Brien, G. & Garnett, S., Jul 2018, In : Northern Territory Naturalist. 28, p. 30-42 13 p.

Research output: Contribution to journalArticle

  • Behavioural responses of migratory shorebirds to disturbance at a high-tide roost

    Lilleyman, A., Franklin, D., Szabo, J. & Lawes, M., 31 Mar 2016, In : Emu. 116, 2, p. 111-118 8 p.

    Research output: Contribution to journalArticle

  • Partial loss of migratory behaviour by Torresian Imperial-Pigeons Ducula spilorrhoa in Darwin, Northern Territory

    Noske, R. A. & Lilleyman, A., Dec 2016, In : Australian Field Ornithology. 33, p. 206-210 5 p.

    Research output: Contribution to journalArticle

  • Phenology of southward migration of shorebirds in the East Asian-Australasian Flyway and inferences about stop-over strategies

    Choi, C., Rogers, K., Gan, X., Clemens, R. S., Bai, Q., Lilleyman, A., Lindsey, A., Milton, D., Straw, P., Yu, Y., Battley, PF., Fuller, R. & Rogers, D., 26 Apr 2016, In : Emu. 116, 2, p. 178-189 12 p.

    Research output: Contribution to journalArticle

  • Litchfield Savanna SuperSite: Bird Survey - Dry Season Results

    Lilleyman, A., 2015

    Research output: Other contributionOther types of outputs