Litter Cover

AUS-TMI-LVG-LIT General Moderate confidence

Benchmark Value

90 %

Thresholds: Lower: —, Upper: 90

Direction: Lower is desirable ↓

Form: UpperThreshold

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.

Contributing Benchmarks

CompositeFramework Primary LowerThreshold Guard OptimalRange Guard LowerThreshold Guard UpperThreshold Guard OptimalRange Guard CompositeFramework Guard Point Guard MinimumOnly Guard MinimumOnly Guard OptimalRange Guard

Evidence & Context

Excessive litter accumulation (>90-100%) can physically smother and inhibit the emergence of new grass seedlings.

Metric Definition:

Upper detrimental threshold for litter cover indicating negative ecological effects.

Benchmark Definition:

An upper detrimental threshold for litter cover where excessive accumulation harms pasture regeneration in tropical maritime island grazing lands.

Justification:

High litter amounts (>500 g/m² or >90-100% cover) inhibit seedling recruitment and can cause nitrogen immobilization.

Sources (1)

Nutrient Cycling in Pastures - UF/IFAS Range Cattle Research & Education Center GreyLiterature

Nutrient Cycling in Pastures - UF/IFAS Range Cattle Research & Education Center

View Source

Supporting Sources (4)

Additional references from the underlying research that informed this benchmark.

Assessing groundcover | MBFP | More Beef from Pastures - MLA, accessed August 10, 2025,

Direct Evidence

Revegetation - International Erosion Control Association

View Source

Preview of Managing ground cover for economic and sustainability outcomes on grazing lands in the Great Barrier Reef Lagoon catchments. - Queensland Government publications, accessed May 11, 2025,

Managing ground cover for economic and sustainability outcomes on grazing lands in the Great Barrier Reef Lagoon catchments. - Queensland Government publications, accessed May 11, 2025,

Regulatory Framework Journal

Effect of reduced grazing pressure on sediment and nutrient yields in savanna rangeland streams draining to the Great Barrier Reef - CSIRO Research Publications Repository, accessed July 19, 2025

View Source

Requirements for graziers | Environment, land and water | Queensland Government, accessed July 30, 2025,

Contextual Support Government

Soil Health & Your Wealth - presented by Graeme Sait - Regional Development Australia, accessed July 30, 2025,

View Source

The Wambiana grazing trial | FutureBeef, accessed July 19, 2025,

Direct Evidence Journal

FutureBeef. (2011). The Wambiana grazing trial: Key learnings for managing for rainfall variability and land condition in northern grazing lands. Meat & Livestock Australia.

View Source

Context

Region Australia
Biome Tropical & Subtropical Maritime Islands
Land Use Livestock Grazing & Pasture
Assessment Pristine Reference
Evidence Type DegradationThreshold

Lifecycle

Status Active
Version 1
Effective From 19 Mar 2026

Notes

Above this threshold, litter can smother seedlings and reduce pasture resilience.

Related Benchmarks

Other benchmarks in the AUS-TMI-LVG-LIT family.