Invasive Species Presence

AUS-TSR-LVG-ISP General Moderate confidence

Benchmark Value

75 %
Thresholds: Lower: —, Upper: 75
Direction: Lower is desirable ↓
Form: UpperThreshold

Scoring Curve

Scoring curve unavailable

The scoring engine could not generate a curve for this benchmark context. The primary form is CompositeFramework, but the benchmark data may be missing required fields (e.g., optimal range bounds for an OptimalRange benchmark). This is typically a data quality issue in the benchmark pipeline.

Contributing Benchmarks

CompositeFramework Primary OptimalRange Guard MinimumOnly Guard MaximumOnly Guard MinimumOnly Guard UpperThreshold Guard CompositeFramework Guard CompositeFramework Guard LowerThreshold Guard MinimumOnly Guard UpperThreshold Guard

Evidence & Context

Lantana camara cover exceeding 75% causes a rapid, non-linear collapse in native species richness.

Metric Definition:

Percent cover of Lantana camara

Benchmark Definition:

Percent cover of Lantana camara in the landscape.

Justification:

Exceeding 75% cover leads to rapid, non-linear decline in native species richness and vegetation structure shift.

Sources (1)

Preview of Impact threshold for an alien plant invader, Lantana camara L., on native plant communities
Impact threshold for an alien plant invader, Lantana camara L., on native plant communities Journal

Impact threshold for an alien plant invader, Lantana camara L., on native plant communities, accessed July 19, 2025,

View Source

Supporting Sources (3)

Additional references from the underlying research that informed this benchmark.

Preview of BIODIVERSITY RESEARCH: Turning up the heat: the impacts of Andropogon gayanus (gamba grass) invasion on fire behaviour in northern Australian savannas | Request PDF - ResearchGate
BIODIVERSITY RESEARCH: Turning up the heat: the impacts of Andropogon gayanus (gamba grass) invasion on fire behaviour in northern Australian savannas | Request PDF - ResearchGate
Contextual Support Journal

The impacts of Andropogon gayanus (gamba grass) invasion on the fire danger index and fire management at a landscape scale - ResearchGate, accessed July 19, 2025,

View Source
Preview of Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,
Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,
Contextual Support GreyLiterature

Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,

View Source
Preview of www.publish.csiro.au, accessed May 20, 2025,
www.publish.csiro.au, accessed May 20, 2025,
Direct Evidence Journal

The threats to Australia's imperilled species and implications for a national conservation response - CSIRO Publishing, accessed July 19, 2025,

View Source

Context

  • Region Australia
  • Biome Tropical & Subtropical Rainforests
  • Land Use Livestock Grazing & Pasture
  • Assessment Pristine Reference
  • Evidence Type DegradationThreshold

Lifecycle

  • Status Active
  • Version 1
  • Effective From 21 Mar 2026

Notes

This threshold marks a tipping point for biodiversity collapse due to Lantana invasion.

Related Benchmarks

Other benchmarks in the AUS-TSR-LVG-ISP family.

— % High
Livestock Grazing & Pasture · Pristine Reference
CompositeFramework Active v3
— % High
Livestock Grazing & Pasture · Pristine Reference
CompositeFramework Superseded v2
10 t/ha Moderate
Livestock Grazing & Pasture · Pristine Reference
MinimumOnly Retired v1
— % High
Livestock Grazing & Pasture · Pristine Reference
CompositeFramework Superseded v1
10 t/ha Moderate
Livestock Grazing & Pasture · Pristine Reference
UpperThreshold Retired v1