Invasive Species Presence

AUS-TGP-AGR-ISP General Moderate confidence

Benchmark Value

30 %
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 invasive species cover of greater than 30% in the ground layer is proposed as a robust upper detrimental threshold for the Temperate Grassy Woodlands biome.

Metric Definition:

Percentage cover of invasive species in the ground layer

Benchmark Definition:

This benchmark marks the ecological tipping point in the Temperate Grassy Woodlands biome beyond which native biodiversity and ecosystem integrity decline sharply due to invasive species cover.

Justification:

Based on conservation science studies showing sharp declines in native species richness and diversity beyond this cover level.

Sources (1)

Preview of Regenerative agriculture in Australia: the changing face of farming - Frontiers, accessed August 4, 2025
Regenerative agriculture in Australia: the changing face of farming - Frontiers, accessed August 4, 2025 Journal

NCC: Regenerative Agriculture and Soil Health - Wet Tropics Plan, accessed July 27, 2025,

View Source

Supporting Sources (2)

Additional references from the underlying research that informed this benchmark.

Preview of Interactions between crop sequences, weed populations and herbicide use in Western Australian broadacre farms: findings of a six-year survey - CSIRO Publishing
Interactions between crop sequences, weed populations and herbicide use in Western Australian broadacre farms: findings of a six-year survey - CSIRO Publishing
Contextual Support Journal

Interactions between crop sequences, weed populations and herbicide use in Western Australian broadacre farms: findings of a six-year survey - CSIRO Publishing

View Source
Preview of Reducing Risk, Securing the Future NSW Invasive Species Management Review Preliminary Report August 2024
Reducing Risk, Securing the Future NSW Invasive Species Management Review Preliminary Report August 2024
Contextual Support GreyLiterature

A strategy for dealing with invasive species in Australia, accessed August 9, 2025,

View Source

Context

  • Region Australia
  • Biome Temperate Grassy Woodlands & Plains
  • Land Use Agricultural Crop Production
  • Assessment Pristine Reference
  • Evidence Type DegradationThreshold

Lifecycle

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

Notes

Represents a tipping point for native biodiversity loss and ecosystem degradation.