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Pacific Conservation Biology Pacific Conservation Biology Society
A journal dedicated to conservation and wildlife management in the Pacific region.
Table of Contents
   
Pacific Conservation Biology

Pacific Conservation Biology

Volume 30 Number 6 2024


Western spinebill identified as responding to drought. Dead and dying vegetation in Perth hills during drought.

Urban areas are expanding rapidly, leading to habitat and biodiversity loss. However, they may offer resources during environmental stressors like drought. Our study in south-west Western Australia found dramatic increases in reporting rates for four bird species during a climate anomaly, highlighting their adaptive behavioural responses and the potential of urban areas as refuges. Photograph by Harry Moore.

PC24027Mass mortalities of grey-headed flying-foxes (Pteropus poliocephalus) from tree collapses

Matthew Mo 0000-0003-2099-6020, Leah Colefax, Bel Manria, Gerardine Hawkins, Joanna Haddock, Racheal Walker, Denise Karkkainen and Alison J. Peel

The grey-headed flying-fox (Pteropus poliocephalus) is a vulnerable species susceptible to numerous factors known to produce simultaneous deaths. We present observations of two incidents involving trees collapsing and killing multiple flying-foxes that were roosting in those trees.

PC24042Movements of adult and fledgling Carnaby’s Cockatoos (Zanda latirostris Carnaby, 1948) from eleven breeding areas throughout their range

Denis A. Saunders 0000-0001-5959-573X, Peter R. Mawson 0000-0001-6729-2966, Rick Dawson, Heather Beswick, Geoffrey Pickup and Kayley Usher

A study of adult and fledgling Carnaby’s cockatoo movements from 11 breeding sites during the non-breeding season showed that sub-adult cockatoos roam much more widely than adults, foraging in habitat an order of magnitude more remote from breeding sites than previously reported. More distant habitat now needs to be considered important in supporting populations.

This paper provides an updated forage list for the endangered Carnaby’s cockatoo (Zanda latirostris). Proponents seeking land clearing approval that may impact Carnaby’s cockatoos must provide detailed habitat assessment, however, the current forage species list is outdated. This updated list will inform proponents and regulators, aiding the referral process and the potential protection and conservation of important and diminishing habitat resources.

PC24021Local ecological knowledge reveals an undocumented population of Reeves’ butterfly lizard (Leiolepis reevesii) in Zhuhai, China

Michael Ka Yiu Hui 0000-0002-1756-7025, Ho Yuen Yeung, Aiko K. Y. Leong, Yuxin Lan, Shufang Pan, Zhengzheng Sun and Jian-Huan Yang

Through local ecological knowledge and field surveys, we discovered an undocumented Reeves’s butterfly lizard (Leiolepis reevesii) population on Qi’ao Island of China, which is the first record in the Pearl River Delta since the early 2010s and represents the only remaining population from the vicinity of its type locality. However, it is reported to be very rare on the island now, urgent conservation action and education campaigns are required to prevent further declines.

Many Australian native bees visit native flora, sometimes exclusively. Corymbia calophylla (Marri) is endemic to the southwest Western Australian biodiversity hotspot. We reveal this flowering tree is visited by 81 species of native bees. This is an incredible diversity, emphasising the value of this plant for native bee conservation.

PC24035The status and conservation needs of the Micronesian Megapode (Megapodius laperouse laperouse) across the Mariana archipelago

Paul M. Radley 0000-0003-0315-2790, Richard J. Camp 0000-0001-7008-923X, Frederick A. Amidon, Ann P. Marshall, P. Marcos Gorresen 0000-0002-0707-9212 and Curt Kessler

We investigated the archipelago-wide status of Micronesian Megapodes (Megapodius laperouse) in the Mariana Islands. Findings indicate that megapode population and distribution in the Mariana Islands are limited by availability of native forest and human presence. We discuss studies of breeding and movement patterns, and removal of introduced ungulates and predators to benefit the species.

PC24062Navigating large scale ocean science in a Pacific small island developing state

L. Claassens 0000-0003-4669-1735, C. M. Hernández, P. Biondi, J. Jaskiel, C. Muller Karanassos, M. Mesengei, V. Nestor, E. I. Otto, H. Renguul, R. D. Rotjan, G. Sartori and L. Tatebe

Conducting research in large offshore areas usually require large research vessels, significant funding and specific expertise, most of which are not readily available in small island developing states. Even with limited funding, facilities and expertise, we were able to answer a key research question for the fully offshore Palau National Marine Sanctuary. Furthermore, by doing so developed a research platform with five key steps to develop and implement offshore research with limited resources and expertise.

The beach and coastal dune systems of Two Peoples Bay Nature Reserve are mapped and the terrain features comprising the beach and dune systems are described. The evolutionary patterns of the major dune forms are elucidated for this little-known area.

This article belongs to the collection: The Natural History of Two Peoples Bay Nature Reserve, Western Australia.

PC24048A noodle in a haystack: determining the conservation status of the rare and Data Deficient Ravensthorpe Range slider, Lerista viduata

Luke R. Bonifacio 0009-0009-3039-9634, Jules E. Farquhar, Arman N. Pili, Jessica C. Walsh and David G. Chapple 0000-0002-7720-6280

This is the first detailed study on the Ravensthorpe Range slider (Lerista viduata), one of Australia’s rarest reptiles. The species has long had a Data Deficient conservation status; however, our investigations reveal that, alarmingly, it is actually Critically Endangered (i.e. the most severe status before Extinct in the Wild). As such, we reveal that L. viduata should be amongst the highest of Australia’s conservation priorities.

Coconut (or robber) crabs (Birgus latro) are the largest terrestrial arthropod. We provide the first detailed report of their occurrence on the islands of Oeno, Henderson, and Ducie Atoll in the Pitcairn Islands, extending their known range by more than 600 km.

PC24050A targeted study to determine the conservation status of a Data Deficient montane lizard, the Eungella shadeskink (Saproscincus eungellensis)

Nicholas A. Scott, Jordan Mulder, Arman N. Pili, Paul M. Oliver 0000-0003-4291-257X, Harry B. Hines, Jules E. Farquhar and David G. Chapple 0000-0002-7720-6280

Data Deficient species can be neglected in conservation management. We used a targeted field survey, ecological study, and species distribution modelling to determine the conservation status of the Eungella shadeskink. It is confined to areas near water and has a severely restricted Area of Occupancy and Extent of Occurrence. The main threats are fire, invasive alien species and climate change. The species is forecast to lose all climatically suitable habitat by 2080, and meets criteria for Critically Endangered listing.

Committee on Publication Ethics

Ivor Beatty Award

Kit Prendergast has been awarded the Ivor Beatty Award for 2023.

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