Invasive Species Presence

AUS-ASP-AGR-ISP General High confidence

Benchmark Value

No specific value — see range
Direction: Lower is desirable ↓
Form: CompositeFramework

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

The detrimental threshold is reached upon its establishment and formation of dense, continuous swards.

Metric Definition:

Establishment and formation of dense, continuous swards of Buffel Grass (Cenchrus ciliaris) that alter fire regimes.

Benchmark Definition:

Detrimental threshold defined as the establishment of dense, continuous swards of Buffel Grass in arid shrublands agricultural crop production systems.

Justification:

This threshold is supported by evidence that dense Buffel Grass swards fundamentally alter fire regimes and cause irreversible biodiversity loss.

Sources (1)

Preview of Invasive species and their impacts on agri-ecosystems - CSIRO PUBLISHING | The Rangeland Journal, accessed July 7, 2025
Invasive species and their impacts on agri-ecosystems - CSIRO PUBLISHING | The Rangeland Journal, accessed July 7, 2025 Journal

Expert commentary: Invasive species driving Australian biodiversity loss - CSIRO

View Source

Supporting Sources (4)

Additional references from the underlying research that informed this benchmark.

Preview of Final report - MLA, accessed July 19, 2025,
Final report - MLA, accessed July 19, 2025,
Direct Evidence

Queensland Government guidelines for grazing lands

View Source
Preview of How Biodiversity-Friendly Is Regenerative Grazing? - Frontiers, accessed August 5, 2025,
How Biodiversity-Friendly Is Regenerative Grazing? - Frontiers, accessed August 5, 2025,
Direct Evidence Journal

The Science behind Regenerative Agriculture

View Source
Preview of Managing for biodiversity: impact and action thresholds for invasive ...
Managing for biodiversity: impact and action thresholds for invasive ...
Direct Evidence Journal

Research and prospects of environmental DNA (eDNA) for detection of invasive aquatic species in East Asia - Frontiers

View Source
Preview of New pasture plants intensify invasive species risk - PMC - PubMed Central, accessed August 6, 2025,
New pasture plants intensify invasive species risk - PMC - PubMed Central, accessed August 6, 2025,
Direct Evidence Journal

Athel pine or tamarisk (Tamarix aphylla) - Weed Management Guide - Department of Natural Resources and Environment Tasmania

View Source

Context

  • Region Australia
  • Biome Arid Shrublands & Stony Plains
  • Land Use Agricultural Crop Production
  • Assessment Not Stated
  • Evidence Type DegradationThreshold

Lifecycle

  • Status Active
  • Version 1
  • Effective From 6 Jun 2026

Notes

Represents a qualitative state change rather than a numeric density; presence of dense, connected swards is the critical threshold. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.