Provisioning services
Provisioning services are the material and energy contributions that ecosystems supply for use in economic and other human activities. In the SEEA Ecosystem Accounting taxonomy, they include ecosystem contributions such as biomass, water, and genetic resources. They are measured as ecosystem-service flows, not simply as the full value of finished goods.
In simple terms
The System of Environmental-Economic Accounting treats ecosystem services as contributions of ecosystems to benefits used in economic and other human activity. Provisioning services are the material and energy outputs within that system, such as contributions to crops, timber, fish, water supply, or genetic resources. The accounting task separates the ecosystem’s contribution from labor, machinery, processing, transport, and other human inputs embodied in a final product. SEEA also groups regulating and maintenance services and cultural services separately. Other ecosystem-service classifications may use different categories, so their labels and totals should not be combined without reconciliation.
Why it matters
Conventional accounts can record the sale of food, timber, or water while making the ecosystem contribution and its degradation less visible. Measuring provisioning-service flows alongside ecosystem extent and condition can inform resource management and economic analysis. Careful boundaries help prevent double counting the value of an ecosystem contribution and the market value of the finished good produced with it.
Example
A national ecosystem account estimates the contribution of a forest ecosystem to timber supplied during the year, records the forest’s extent and condition, and distinguishes that ecological contribution from harvesting, milling, transport, and retail services. It reports water regulation or recreation under other SEEA service classes rather than placing every forest benefit in provisioning services.
How it differs
Ecosystem services
Ecosystem services is the umbrella for ecosystem contributions to human benefits; provisioning services are the SEEA class covering material and energy contributions, distinct from regulating and maintenance or cultural services.