Litter Cover
Benchmark Value
Scoring Curve
This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context. The scoring engine uses 8 benchmarks together — the OptimalRange form drives the primary score, while 7 guard(s) constrain the result.
Evidence & Context
The upper boundary for litter cover in this context is a management threshold, not a natural saturation point. ... The upper bound is proposed at 80%. This level provides a substantial buffer above the critical erosion threshold, maximizing benefits such as moisture retention and soil temperature moderation. However, capping cover at 80% prevents the development of a "thick" or "heavy" litter layer that would constitute an unacceptable fire hazard (approaching fuel loads of >2 t/ha) and would significantly inhibit the regeneration of native flora.
Total native ground cover percentage including both litter and living native vegetation
This benchmark represents the upper limit of litter cover to prevent fire hazards and inhibit native plant regeneration in arid urban environments.
Management threshold based on fire risk and ecological regeneration considerations in urban arid landscapes.
Sources (1)
Firewise Gardening - Shire of Serpentine Jarrahdale
View SourceSupporting Sources (2)
Additional references from the underlying research that informed this benchmark.
IN PRAISE OF GROUNDCOVER - Australian Rangeland Society -
View SourceMonitoring groundcover and soil degradation | Erosion - Agriculture Victoria
View Source