Litter Cover

AUS-AMR-AGR-LIT General Moderate confidence

Benchmark Value

85 %
Direction: Higher is desirable ↑
Form: Point

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

A reference value of 85% is proposed.

Metric Definition:

Litter Cover (%)

Benchmark Definition:

Litter Cover is the percentage of ground surface covered by litter, serving as a keystone indicator of ecosystem health and resilience in arid agroecosystems.

Justification:

The confidence in this benchmark is rated as Moderate. The rating is supported by a strong evidence base for the underlying ecological principles and the lower critical threshold, derived from multiple reputable Australian government and research sources. The primary factor precluding a 'High' confidence rating is the necessary extrapolation of data from analogous semi-arid lowland cropping systems to the specific Arid Mountain Ranges & Uplands biome.

Sources (5)

Preview of Characteristics of soil moisture under different vegetation coverage in Horqin Sandy Land, northern China - PubMed Central
Characteristics of soil moisture under different vegetation coverage in Horqin Sandy Land, northern China - PubMed Central Journal

Characteristics of soil moisture under different vegetation coverage in Horqin Sandy Land, northern China - PubMed Central, accessed July 27, 2025,

View Source
Preview of Maintaining groundcover to reduce erosion and sustain production - NSW Department of Primary Industries, accessed July 22, 2025,
Maintaining groundcover to reduce erosion and sustain production - NSW Department of Primary Industries, accessed July 22, 2025, Journal

Lang, D. (1979). Groundcover for pastures. Journal of Soil Conservation NSW.

View Source
Preview of No-Till Farming Victoria | Controlled Traffic | Zero Tillage - VicNoTill, accessed August 4, 2025,
No-Till Farming Victoria | Controlled Traffic | Zero Tillage - VicNoTill, accessed August 4, 2025, GreyLiterature

No-Till Farming Victoria | Controlled Traffic | Zero Tillage - VicNoTill

View Source
Preview of Rangelands - NSW Department of Primary Industries, accessed July 27, 2025,
Rangelands - NSW Department of Primary Industries, accessed July 27, 2025, Government

Rangelands - NSW Department of Primary Industries, accessed July 27, 2025,

View Source
Preview of Regenerative agriculture in Australia: the changing face of farming - Frontiers
Regenerative agriculture in Australia: the changing face of farming - Frontiers Journal

Stubble Retention in Cropping Systems - Gulbali Institute - Charles Sturt University, accessed August 4, 2025,

View Source

Supporting Sources (8)

Additional references from the underlying research that informed this benchmark.

Preview of Break Crops - Stubble Management Guidelines, accessed July 27, 2025,
Break Crops - Stubble Management Guidelines, accessed July 27, 2025,
Contextual Support Journal

Break Crops - Stubble Management Guidelines, accessed July 27, 2025,

View Source
Preview of Examining links between soil management, soil health, and public benefits in agricultural landscapes: An Australian perspective | Request PDF - ResearchGate, accessed August 10, 2025,
Examining links between soil management, soil health, and public benefits in agricultural landscapes: An Australian perspective | Request PDF - ResearchGate, accessed August 10, 2025,
Contextual Support Journal

Soil condition | NSW State of the Environment, accessed July 27, 2025,

View Source
Preview of Maintaining groundcover to reduce erosion and sustain production, accessed July 27, 2025,
Maintaining groundcover to reduce erosion and sustain production, accessed July 27, 2025,
Contextual Support Journal

Do regenerative grazing management practices improve vegetation and soil health in grazed rangelands? Preliminary insights from a space-for-time study in the Great Barrier Reef catchments, Australia - CSIRO Publishing, accessed July 23, 2025

View Source
Preview of Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria
Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria
Direct Evidence Government

Managing stubble | General agronomy | Crop production | Grains, pulses and cereals - Agriculture Victoria, accessed August 13, 2025

View Source
Preview of No-till farming - Wikipedia, accessed July 27, 2025,
No-till farming - Wikipedia, accessed July 27, 2025,
Contextual Support GreyLiterature

No-till farming - Wikipedia

View Source
Preview of Regenerative Agriculture Australia: Benefits and Practices - SONIC Natural Farming, accessed July 16, 2025,
Regenerative Agriculture Australia: Benefits and Practices - SONIC Natural Farming, accessed July 16, 2025,
Contextual Support GreyLiterature

Regenerative Agriculture Australia: Benefits and Practices - SONIC Natural Farming, accessed July 27, 2025,

View Source
Preview of Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed August 5, 2025,
Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed August 5, 2025,
Contextual Support Journal

Regenerative Agriculture—A Literature Review on the Practices and Mechanisms Used to Improve Soil Health - MDPI, accessed July 20, 2025,

View Source
Preview of Snapshot of Australian Agriculture 2025 - DAFF, accessed July 8, 2025
Snapshot of Australian Agriculture 2025 - DAFF, accessed July 8, 2025
Contextual Support Government

Snapshot of Australian Agriculture 2025 - DAFF, accessed July 27, 2025,

View Source

Context

  • Region Australia
  • Biome Arid Mountain Ranges & Uplands
  • Land Use Agricultural Crop Production
  • Assessment Not Stated
  • Evidence Type ReferenceCondition

Lifecycle

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

Notes

Lower Critical Threshold: 70%. This benchmark represents a best-on-offer condition for regenerative cropping systems in Australia's arid uplands, balancing erosion control with water use efficiency. Optimal Range: 70-95% cover is considered optimal, providing robust soil protection and moisture conservation. Upper Boundary Consideration: While 'more is generally better' for erosion control, cover >95% may present a net negative soil water balance in very dry years due to rainfall interception and the water cost of biomass production, representing an ecological upper limit in this water-limited biome. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.