Regulating services

Regulating services depend on ecosystems — especially soil — moderating natural processes. Soil plays a major role in climate regulation through carbon storage in organic matter and minerals; disturbed or eroded soils can release carbon and weaken this buffer. Soils also influence water flow: they absorb rainfall, reduce surface runoff, and recharge groundwater, helping with flood regulation and drought mitigation in both rural and urban catchments.

As water moves through soil, physical filtering and biological activity contribute to water purification and waste breakdown. Soil structure and vegetation cover provide erosion control and soil stabilisation on slopes and riverbanks. Below ground, diverse soil communities support pollination indirectly (through healthy habitats) and pest regulation through predation and competition among organisms.

When soils are compacted, contaminated, or stripped of vegetation, regulating services decline — floods become more severe, water quality suffers, and slopes become unstable. Many regulating services are less visible than food or timber, but they protect the infrastructure and communities that provisioning services depend on.