Invasive Species Presence

AUS-AIF-LVG-ISP General High confidence

Benchmark Value

50 %
Thresholds: Lower: 50, Upper: —
Direction: Lower is desirable ↓
Form: MinimumOnly

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.

Evidence & Context

An upper detrimental threshold is reached above 50% cover, where the system becomes dysfunctional.

Metric Definition:

Percentage cover of invasive species.

Benchmark Definition:

This benchmark defines the threshold of invasive species cover at which the ecosystem becomes dysfunctional and severely degraded in Arid Inland Floodplains under livestock grazing.

Justification:

Defined by State and Transition Models (STMs) as transition to dysfunctional state.

Sources (1)

Preview of Threat abatement plan for competition and land degradation by ...
Threat abatement plan for competition and land degradation by ... Journal

Threat abatement plan for competition and land degradation by ...

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Supporting Sources (2)

Additional references from the underlying research that informed this benchmark.

Preview of BioCondition: A condition assessment framework for terrestrial biodiversity in Queensland, accessed August 5, 2025
BioCondition: A condition assessment framework for terrestrial biodiversity in Queensland, accessed August 5, 2025
Direct Evidence Journal

BioMetric: Vegetation condition benchmarks, short-term review, accessed August 12, 2025,

View Source
Preview of Feral pigs - DCCEEW
Feral pigs - DCCEEW
Contextual Support Government

Feral pigs - DCCEEW

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Context

  • Region Australia
  • Biome Arid Inland Floodplains & Ephemeral River Systems
  • Land Use Livestock Grazing & Pasture
  • Assessment Pristine Reference
  • Evidence Type DegradationThreshold

Lifecycle

  • Status Active
  • Version 2
  • Effective From 21 Mar 2026

Notes

System dominated by invasive species with severe soil erosion and low productivity.