Protecting Country Against Invasive Species — Indigenous Ranger-Led Control (Northern Australia)
Australia
Australia's Indigenous Rangers Program funds 40+ ranger groups across northern Australia to control feral pigs, cats and invasive weeds like …
Good practice
Imported
★ 60
★ 60
★ 47
★ 40
New Zealand National Wilding Conifer Control Programme
New Zealand · Wellington · See the New Zealand profile · See the Wellington profile
Evidence: Observational / pre–post Top 5% 73/100 · Ask Evidence Copilot about this practice
National programme paying contractors to eliminate invasive wilding conifers from ~180,000 ha/year; wilding conifers remove up to 40% of catchment water. NZD 175m invested since 2015; Budget 2026 allocates a further NZD 79m. Independent CBA: NZD 30 return per dollar spent.
~180,000 ha/yr
Area treated annually
NZD 175m
Public investment since 2015 (2015-2024)
NZD 79m
Additional Budget 2026 funding (2026)
NZD 30 per NZD 1
Cost-benefit ratio (independent CBA)
Details
- Maturity
- Scaling
- Promoter
- New Zealand Ministry for Primary Industries (MPI)
- Period
- 2015–ongoing
- Keywords
- biosecurity, invasive species, watershed management, fire prevention, native biodiversity
Context
New Zealand's National Wilding Conifer Control Programme, run by the Ministry for Primary Industries, pays contractors to remove self-seeded invasive conifers that can intercept up to 40% of a catchment's water.
Results
Around 180,000 ha are treated each year; NZD 175m has been invested since 2015 with a further NZD 79m added in Budget 2026, and an independent cost-benefit analysis estimates a return of NZD 30 per dollar invested.
Implementation
Implementation detail (cost, timeline, staffing, conditions for success) is not yet available for this practice.
Commonly funded by
National / regional programmes
Indicative funding routes for practices of this type — always check each programme's current calls and eligibility rules.
Do you run this practice? Claim it — verified implementers get a public contact pathway and can propose corrections.
Data sources
Where this practice's information was retrieved from, and when.
- C-NAPSE web research — accessed 2026-06-22
- New Zealand Ministry for Primary Industries (MPI) — accessed 2026-06-22
- National Wilding Conifer Programme (wildingpines.nz) — accessed 2026-06-22
- MPI Programme Page — accessed 2026-06-22
- Budget 2026: NZD 79m boost (NZ Herald) — accessed 2026-06-22
- MPI Cost-Benefit Analysis Phase 2 (PDF) — accessed 2026-06-22
- Beehive: 1.4m ha in two years — accessed 2026-06-22
Attachments
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