Microbial Respiration
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 15 benchmarks together — the OptimalRange form drives the primary score, while 14 guard(s) constrain the result.
Evidence & Context
Functionally, a critically low threshold for microbial respiration, below which ecosystem services are likely compromised, is estimated at approximately 3.5 mg CO₂-C/kg/day.
Critically low microbial respiration rate indicating compromised ecosystem function and degraded soil biological activity.
This threshold marks the minimum microbial respiration rate below which soil biological activity and ecosystem services are likely compromised in arid karstic woodlands and shrublands under grazing.
Estimated from proxy study continuous grazing treatment and supported by ecological theory on aridity thresholds and microbial metabolic decoupling.
Sources (1)
Soil respiration and its Q10 response to various grazing systems of a typical steppe in Inner Mongolia, China
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