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RAiD https://raid.org/10.71613/9e65429b
NESP RL Project 4.12 - Predicting dangerous heat events for spectacled flying-foxes

Dates

Start Date
01-Apr-2024
End Date
31-Mar-2027

Titles

Title
NESP RL Project 4.12 - Predicting dangerous heat events for spectacled flying-foxes
Title Type
Primary
Title Type:
Primary
Preferred full description or abstract.
Start Date
01-Apr-2024
End Date
31-Mar-2027
Language
English

Descriptions

Description

Spectacled flying-foxes play important roles in tropical forest ecosystems as key pollinators and seed dispersers. In Australia, their distribution spans across the Wet Tropics region and the rainforests of Cape York in northern Queensland.

Spectacled flying-fox populations have declined significantly due to historical habitat loss. But their most pressing and immediate threat is mass mortality associated with extreme heat. An extreme heatwave in 2018 resulted in the death of approximately one-third of the population. Since that event, spectacled flying-foxes have been listed as Endangered.

Although extreme heat events are rare phenomena in the Australian Wet Tropics region, their frequency and intensity have notably increased in the last decades.

Through this project, researchers aim to better understand how heat waves affect flying-fox populations, and to forecast and identify the specific roosting sites where flying-foxes will be most vulnerable during high-risk heat events. This information will help provide actionable guidance on the most effective interventions to mitigate the impact of these extreme events.

Interventions might include misting systems, roost-exclusion measures, and targeted revegetation efforts designed to alter the thermal environment and enhance the species’ chances of survival during extreme heat events.

Key research areas

To reduce the impacts of extreme heat on spectacled flying-foxes, this project is:

  • mapping heat conditions at key roosts to identify when and where flying-foxes are most at risk
  • combining weather forecasts and physiological models to predict heat-related mortality at specific sites
  • working with Traditional Owners, local governments and managers to guide practical interventions and decision-making.

Pathway to impact

This project will:

  • improve preparedness for dangerous heat events by providing clear predictions of when, where and how spectacled flying-foxes are most at risk
  • support targeted, more effective on-ground responses through clear guidance on priority actions during heat events
  • provide tools and approaches that can be applied elsewhere to support climate-adaptation planning for threatened species.
Description Type

Primary

Description Type:

Primary

Preferred full description or abstract
Language
English

Contributors

Name Susan Laurance ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0002-2831-2933 (unauthenticated)
Leader
Yes
Contact
Yes
Positions
Position
Principal or Chief Investigator
Position:
Principal or Chief Investigator
Principal investigator refers to the person(s) in charge of a research project
Start Date
01-Apr-2024
End Date
---
Roles
No Entries

Organisations

Name
James Cook University

Roles
Role
Lead Research Organisation
Role:
Lead Research Organisation
The research organistion administratively responsible for the project; administering organisation
Start Date
2024-04-01
End Date
---

RelatedObjects

Citation
Norris, E. B. B. (2025). Drone surveys cause less disturbance than ground-based surveys in endangered spectacled flying-foxes (Pteropus conspicillatus). Australian Mammalogy, 47(1).
Type
Journal Article
Categories
Output
Citation
Norris, E. B. B., Edwards, W., & Laurance, S. G. W. (2026). Thermal drones for wildlife research in tropical forests: A review of best practices, challenges, and opportunities. Biodiversity and Conservation, 35(3).
Type
Journal Article
Categories
Output
Citation
de la Fuente, A., Chen, I.-C., Briscoe, N. J., & Kearney, M. R. (2026). Mountains magnify mechanisms in climate change biology. Nature Climate Change, 16(2), 115–117.
Type
Journal Article
Categories
Output
Citation
Norris, E. B. B., Chang, Y., Jackson, S., & Hoskin, C. J. (2025). Feasibility of nocturnal thermal drone surveys for detecting endangered mahogany gliders (Petaurus gracilis) in tropical lowland woodlands. Australian Mammalogy, 47(3).
Type
Journal Article
Categories
Output

Alternate Identifier

No Entries

Related RAiDs

Title
NESP Resilient Landscapes Hub (10.71821/ffc970c8)
Relation
IsPartOf
Relation:
IsPartOf
Relates a subproject back to its parent project

Access

Type
Open Access
Type:
Open Access
Open access refers to a resource that is immediately and permanently online, and free for all on the Web, without financial and technical barriers.The resource is either stored in the repository or referenced to an external journal or trustworthy archive.
Language
---
Text
---
Embargo Expiry
---

Subjects

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      "text": "Spectacled flying-foxes play important roles in tropical forest ecosystems as key pollinators and seed dispersers. In Australia, their distribution spans across the Wet Tropics region and the rainforests of Cape York in northern Queensland.\n\nSpectacled flying-fox populations have declined significantly due to historical habitat loss. But their most pressing and immediate threat is mass mortality associated with extreme heat. An extreme heatwave in 2018 resulted in the death of approximately one-third of the population. Since that event, spectacled flying-foxes have been listed as Endangered.\n\nAlthough extreme heat events are rare phenomena in the Australian Wet Tropics region, their frequency and intensity have notably increased in the last decades.\n\nThrough this project, researchers aim to better understand how heat waves affect flying-fox populations, and to forecast and identify the specific roosting sites where flying-foxes will be most vulnerable during high-risk heat events. This information will help provide actionable guidance on the most effective interventions to mitigate the impact of these extreme events.\n\nInterventions might include misting systems, roost-exclusion measures, and targeted revegetation efforts designed to alter the thermal environment and enhance the species’ chances of survival during extreme heat events.\n\n### Key research areas\nTo reduce the impacts of extreme heat on spectacled flying-foxes, this project is:\n* mapping heat conditions at key roosts to identify when and where flying-foxes are most at risk\n* combining weather forecasts and physiological models to predict heat-related mortality at specific sites\n* working with Traditional Owners, local governments and managers to guide practical interventions and decision-making.\n\n### Pathway to impact\nThis project will:\n* improve preparedness for dangerous heat events by providing clear predictions of when, where and how spectacled flying-foxes are most at risk\n* support targeted, more effective on-ground responses through clear guidance on priority actions during heat events\n* provide tools and approaches that can be applied elsewhere to support climate-adaptation planning for threatened species.",
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