Litter Cover

AUS-TMI-CON-LIT General Moderate confidence

Benchmark Value

95 %
Direction: Higher is desirable ↑
Form: MinimumOnly

Scoring Curve

This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context.

Evidence & Context

Based on this synthesis of evidence from a best-practice site and general ecological principles, a litter cover of >95% is proposed as a scientifically defensible benchmark.

Metric Definition:

Percentage of ground surface covered by litter layer (dead and decomposing organic material)

Benchmark Definition:

This benchmark represents a minimum litter cover of 95% in tropical and subtropical maritime island forests under conservation management, indicating a nearly complete organic matter protection of the forest floor with natural gaps.

Justification:

The benchmark value is a robust scientific inference derived from qualitative descriptions and ecological principles, rather than a direct, quantitative field measurement from a peer-reviewed study focused on this specific metric.

Sources (1)

Preview of A Systematic Flora Survey, Floristic Classification and High-Resolution Vegetation Map of Lord Howe Island
A Systematic Flora Survey, Floristic Classification and High-Resolution Vegetation Map of Lord Howe Island Journal

Floristics and structure of the mossy cloud forest - of Mt Gower summit, Lord Howe Island - Ian Hutton

View Source

Supporting Sources (23)

Additional references from the underlying research that informed this benchmark.

Preview of (PDF) Consequences of biodiversity loss for litter decomposition across biomes, accessed August 3, 2025
(PDF) Consequences of biodiversity loss for litter decomposition across biomes, accessed August 3, 2025
Contextual Support Journal

(PDF) Consequences of biodiversity loss for litter decomposition across biomes, accessed August 3, 2025

View Source
Preview of 1 Background - Lord Howe Island Board, accessed August 3, 2025,
1 Background - Lord Howe Island Board, accessed August 3, 2025,
Direct Evidence Journal

National Soil Strategy, accessed August 3, 2025

View Source
Preview of Carbon, nitrogen and phosphorus contents and their ecological stoichiometric characteristics in leaf litter from the Jianfengling Tropical Montane Rainforest - Frontiers, accessed August 3, 2025
Carbon, nitrogen and phosphorus contents and their ecological stoichiometric characteristics in leaf litter from the Jianfengling Tropical Montane Rainforest - Frontiers, accessed August 3, 2025
Contextual Support Journal

Carbon, nitrogen and phosphorus contents and their ecological stoichiometric characteristics in leaf litter from the Jianfengling Tropical Montane Rainforest - Frontiers, accessed August 3, 2025

View Source
Preview of Changes in Leaf Litter Quality During Its Decomposition in a Tropical Planted Mangrove Forest (Can Gio, Vietnam) - Frontiers, accessed August 3, 2025
Changes in Leaf Litter Quality During Its Decomposition in a Tropical Planted Mangrove Forest (Can Gio, Vietnam) - Frontiers, accessed August 3, 2025
Contextual Support Journal

Vegetation Type and Soil Moisture Drive Variations in Leaf Litter Decomposition Following Secondary Forest Succession - MDPI, accessed August 3, 2025

View Source
Preview of Controls over leaf litter decomposition in wet tropical forests | Request PDF - ResearchGate, accessed August 3, 2025
Controls over leaf litter decomposition in wet tropical forests | Request PDF - ResearchGate, accessed August 3, 2025
Contextual Support

Controls over leaf litter decomposition in wet tropical forests | Request PDF - ResearchGate, accessed August 3, 2025

View Source
Preview of Environment Monitoring Systems & Data for Ecosystem Studies ..., accessed July 30, 2025,
Environment Monitoring Systems & Data for Ecosystem Studies ..., accessed July 30, 2025,
Methodology Source Government

(PDF) Evaluation of genetic markers for the metabarcoding of ...

View Source
Preview of Ground cover mapping methodology | Environment, land and water | Queensland Government, accessed August 3, 2025
Ground cover mapping methodology | Environment, land and water | Queensland Government, accessed August 3, 2025
Methodology Source Journal

Ground cover mapping methodology | Environment, land and water | Queensland Government, accessed August 3, 2025

View Source
Preview of Land Manager's Monitoring Guide - Ground cover indicator - BHP, accessed August 3, 2025
Land Manager's Monitoring Guide - Ground cover indicator - BHP, accessed August 3, 2025
Methodology Source GreyLiterature

TERN Ecosystem Surveillance plot layout. The corners and centre of the... - ResearchGate, accessed August 3, 2025

View Source
Preview of Leaf litter arthropod responses to tropical forest restoration - PMC, accessed August 3, 2025
Leaf litter arthropod responses to tropical forest restoration - PMC, accessed August 3, 2025
Contextual Support Journal

The Relationship Between Leaf Litter and the Biodiversity of Arthropods in the Four Forest Types of the Cloud Forest - Cloudbridge Nature Reserve, accessed August 3, 2025

View Source
Preview of Leaf litter decomposition rates: influence of successional age, topography and microenvironment on six dominant tree species in a tropical dry forest - Frontiers, accessed August 3, 2025
Leaf litter decomposition rates: influence of successional age, topography and microenvironment on six dominant tree species in a tropical dry forest - Frontiers, accessed August 3, 2025
Contextual Support Journal

Leaf litter decomposition rates: influence of successional age, topography and microenvironment on six dominant tree species in a tropical dry forest - Frontiers, accessed August 3, 2025

View Source
Preview of Lord Howe Island Biodiversity Management Plan - DCCEEW, accessed August 4, 2025,
Lord Howe Island Biodiversity Management Plan - DCCEEW, accessed August 4, 2025,
Direct Evidence Journal

Geology | Norfolk Island National Park | Parks Australia

View Source
Preview of Lord Howe Island Marine Park (Commonwealth Waters) Management Plan - DCCEEW, accessed August 3, 2025
Lord Howe Island Marine Park (Commonwealth Waters) Management Plan - DCCEEW, accessed August 3, 2025
Contextual Support Journal

Rodent Management in Norfolk Island National Park (DOCX 398 KB) - DCCEEW, accessed August 3, 2025

View Source
Preview of Lord Howe Island subtropical forests | EBSCO Research Starters, accessed August 3, 2025,
Lord Howe Island subtropical forests | EBSCO Research Starters, accessed August 3, 2025,
Contextual Support

Norfolk Island Plant Communities - Jerry Coleby-Williams

View Source
Preview of Lowland Rainforest of Subtropical Australia ecological community - listing advice, accessed July 20, 2025,
Lowland Rainforest of Subtropical Australia ecological community - listing advice, accessed July 20, 2025,
Contextual Support Journal

Biodiversity | Australia state of the environment 2021

View Source
Preview of Maintain and improve groundcover - Local Land Services, accessed July 27, 2025
Maintain and improve groundcover - Local Land Services, accessed July 27, 2025
Direct Evidence

Norfolk Island Environmental Assessment Executive Summary

View Source
Preview of Management and conservation - DCCEEW, accessed August 3, 2025,
Management and conservation - DCCEEW, accessed August 3, 2025,
Contextual Support

Great Barrier Reef Marine Park Authority, accessed August 3, 2025

View Source
Preview of Norfolk Island Environmental Assessment Executive Summary, accessed August 3, 2025,
Norfolk Island Environmental Assessment Executive Summary, accessed August 3, 2025,
Contextual Support Journal

Land Use Impacts on Coral Reef Health: A Ridge-to-Reef Perspective - Frontiers

View Source
Preview of Norfolk Island Environmental Assessment, accessed August 3, 2025,
Norfolk Island Environmental Assessment, accessed August 3, 2025,
Contextual Support Journal

Agricultural Audit and Land Use Capability Assessment for Norfolk Island | Policy Commons

View Source
Preview of Reef Water Quality Report Card 2021 and 2022 Ground cover monitoring methods, accessed August 3, 2025
Reef Water Quality Report Card 2021 and 2022 Ground cover monitoring methods, accessed August 3, 2025
Contextual Support Government

Reef Water Quality Report Card 2021 and 2022 Ground cover monitoring methods, accessed August 3, 2025

View Source
Preview of Seasonal ground cover - Landsat, JRSRP algorithm, Australia Coverage - TERN Data Discovery Portal, accessed July 22, 2025,
Seasonal ground cover - Landsat, JRSRP algorithm, Australia Coverage - TERN Data Discovery Portal, accessed July 22, 2025,
Methodology Source

Seasonal ground cover - Landsat, JRSRP algorithm, Australia Coverage - TERN Data Discovery Portal

View Source
Preview of Seasonal litter decomposition and accumulation in north Australian savanna - CSIRO Publishing, accessed August 3, 2025
Seasonal litter decomposition and accumulation in north Australian savanna - CSIRO Publishing, accessed August 3, 2025
Contextual Support Journal

www.publish.csiro.au, accessed May 16, 2025

View Source
Preview of The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC
The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC
Contextual Support Journal

The Effect of Leaf Litter Cover on Surface Runoff and Soil Erosion in Northern China - PMC

View Source
Preview of Untitled - Southern Research Station, accessed August 3, 2025
Untitled - Southern Research Station, accessed August 3, 2025
Contextual Support Journal

Norfolk Island Environmental Assessment, accessed August 3, 2025

View Source

Context

  • Region Australia
  • Biome Tropical & Subtropical Maritime Islands
  • Land Use Conservation / Protected Natural Areas
  • Assessment Conservation Target
  • Evidence Type ReferenceCondition

Lifecycle

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

Notes

No upper detrimental threshold — higher values are always better up to natural saturation. The benchmark is inferred from qualitative descriptions of 'closed forest' communities in high-integrity, well-managed conservation areas on Lord Howe Island, a World Heritage site representing best available condition.

Related Benchmarks

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

70 % Moderate
Conservation / Protected Natural Areas · Conservation Target
MinimumOnly Active v2
50 % Moderate
Conservation / Protected Natural Areas · Conservation Target
MinimumOnly Active v1