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RAiD https://raid.org/10.71613/7abb71bd
NESP RL Project 3.22 - Rewilding Norfolk: closing management knowledge gaps for faunal restoration on islands

Dates

Start Date
01-Sep-2023
End Date
30-Jun-2027

Titles

Title
NESP RL Project 3.22 - Rewilding Norfolk: closing management knowledge gaps for faunal restoration on islands
Title Type
Primary
Title Type:
Primary
Preferred full description or abstract.
Start Date
01-Sep-2023
End Date
30-Jun-2027
Language
English

Descriptions

Description

Predation by rats and mice is one of the most serious threats to biodiversity on islands around the world, including Norfolk Island. It affects both animals and plants, with many having been driven extinct, including birds such as the white-chested white-eye, Norfolk Island kaka and Tasman starling. Many other species face a similar fate if action is not taken. Rats are a primary threat to the Norfolk Island green parrot, a priority species under the Australian Government’s Threatened species action plan 2022–2032.

Eradication of rodents from the island isn’t feasible. Norfolk Island National Park’s current management program of baiting throughout the park every 6 months is an expensive activity that must be maintained indefinitely. It’s essential to make sure that this control is as effective as possible. This means understanding how rodents move within the park and between adjacent areas and how those dynamics are affected by management activities.

This project is identifying the significance of rat re-invasions of control sites, determining whether control activities that are pulsed or continual yield better outcomes, investigating the roles of cats as predators of rodents and native wildlife, and assessing how these issues translate to the biodiversity on the island more broadly. This information is contributing to the development and refinement of Norfolk Island National Park’s strategy for integrated pest control and the new Norfolk Island region threatened species recovery plan.

The management of threats to island ecosystems also paves the way for full-scale ecological restoration (‘rewilding’) of those ecosystems by reintroducing species that have are locally extinct, or surrogate species to replace them. Such rewilding projects offer an optimistic agenda for conservation that enables the public to see the success that conservation offers.

Key research areas

To address the challenges presented by rodent predation on Norfolk Island, this project is:

  • collecting data on rodent population dynamics, diet, the impacts of baiting, and reinvasion of control sites
  • modelling the optimal rodent control strategy on Norfolk Island
  • conducting a literature review to determine the ecologically equivalent species for rewilding on Norfolk Island.

Pathway to impact

This project will support biodiversity recovery and rewilding on Norfolk Island by:

  • improving rodent control through clear evidence on what management approaches work best to reduce reinvasion and ongoing impacts
  • protecting threatened species by reducing pressure from invasive rodents and supporting recovery actions in a national priority area
  • supporting future rewilding by identifying conditions and options for restoring lost species and rebuilding island ecosystems.
Description Type

Primary

Description Type:

Primary

Preferred full description or abstract
Language
English

Contributors

Name Matt W. Hayward ORCID Logo (unauthenticated)
Contributor ID ORCID Logo https://orcid.org/0000-0002-5574-1653 (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-Sep-2023
End Date
---
Roles
No Entries

Organisations

Name
University of Newcastle Australia

Roles
Role
Lead Research Organisation
Role:
Lead Research Organisation
The research organistion administratively responsible for the project; administering organisation
Start Date
2023-09-01
End Date
---

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

No Entries

Raw Data

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