Microbial Respiration

AUS-TSR-CON-SMR General Moderate confidence

Benchmark Value

84 mg/kg/day
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 Point, 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 calculated value of approximately 84 mg CO₂-C kg⁻¹ day⁻¹ represents a robust estimate for a high-functioning conservation rainforest.

Metric Definition:

Microbial respiration rate measured as the flux of carbon dioxide (CO2) from the soil surface resulting from microbial metabolic activity.

Benchmark Definition:

Microbial respiration rate indicating the metabolic activity of soil microbes in a high-functioning conservation tropical rainforest ecosystem.

Justification:

Derived from field-measured soil respiration in a primary forest analogue and converted to mass-based units using a soil bulk density of 0.65 g/cm³ specific to Australian tropical rainforest Ferrosols. Supported by peer-reviewed data from relevant, high-functioning ecosystems and transparent calculations.

Sources (1)

Preview of Soil Respiration - Natural Resources Conservation Service
Soil Respiration - Natural Resources Conservation Service Journal

Reforestation, carbon sequestration and relationships between soil attributes in the Wet Tropics of Australia (Schmidt et al., 2014)

View Source

Context

  • Region Australia
  • Biome Tropical & Subtropical Rainforests
  • Land Use Conservation / Protected Natural Areas
  • Assessment Conservation Target
  • Vegetation Forest
  • Evidence Type ReferenceCondition

Lifecycle

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

Notes

Represents the best available condition for a protected tropical rainforest. Indicates the metabolic pulse of a system in dynamic equilibrium with high biological activity, chemical richness, and physical integrity.