Invasive Species Presence

AUS-ASP-AGR-ISP General Moderate 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 final benchmark is presented in the required format below, followed by a detailed analysis of the ecological context, benchmark derivation, and the functional range of the indicator, including evidence-based detrimental thresholds for key invasive species.

Metric Definition:

Presence or absence of significant infestations of declared invasive plant or animal species within agricultural crop production systems.

Benchmark Definition:

Functional Absence is defined as a state where invasive species populations are managed to levels so low that they do not exert a measurable negative influence on ecosystem processes or agricultural productivity in arid shrublands agricultural crop production systems.

Justification:

This benchmark is derived from the best available real-world case study of regenerative management in a comparable semi-arid environment (Bokhara Plains, NSW), due to a lack of direct quantitative data for arid cropping systems. Confidence is 'Moderate' as the source represents a robust example of best-practice landscape regeneration, but is a proxy from a grazing system.

Sources (2)

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

The Science behind Regenerative Agriculture

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Preview of Managing for biodiversity: impact and action thresholds for invasive ...
Managing for biodiversity: impact and action thresholds for invasive ... Journal

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

View Source

Supporting Sources (3)

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

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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
Direct Evidence Journal

Expert commentary: Invasive species driving Australian biodiversity loss - CSIRO

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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 Conservation Target
  • Evidence Type ReferenceCondition

Lifecycle

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

Notes

The benchmark is a qualitative value representing Functional Absence, meaning no significant infestations and only minor occurrences of agricultural weeds managed without broadscale chemical or mechanical control. The literature does not support a lower critical threshold or optimal range for damaging invasive species; the ideal state is Functional Absence (zero negative impact). An Upper Detrimental Threshold is supported for key species such as European Rabbit (≥0.5 per hectare) and ecosystem transformers like Buffel Grass and Athel Pine.