Valuing Ecosystem Services for Land Projects

Updated 2026-11-02 · 4 min read · By the akar.earth specialist team

A practical guide to ecosystem service valuation for land projects in Indonesia: methods, data needs, a step-by-step process and how to avoid inflated numbers.

Ecosystem service valuation estimates the benefits a landscape provides, such as water regulation, flood and coastal protection, pollination, fisheries support and carbon storage, first in physical units and then, where it helps a decision, in money. For land projects it is most useful for making the case to funders, governments and communities, not as a number to put on a brochure.

In Indonesia the services at stake are concrete: mangroves that reduce coastal flood damage, peat forests that prevent fire and haze, upland forests that keep irrigation water flowing to rice fields. A good valuation links these services to specific beneficiaries and decisions.

Common services and how they are valued

Step-by-step valuation process

1. Define the decision. Is this for a funding proposal, a disclosure, a land-use plan or community negotiations? The decision sets the scope.
2. Map the ecosystem and its condition. Use land cover, field data and condition indicators. Ecosystem extent and condition come before any money values.
3. Identify beneficiaries. Farmers downstream, fishing villages, a city water utility, a plantation company. Each service needs a beneficiary to have value.
4. Quantify physical flows. Model or measure the service. Tools such as InVEST and hydrological models are common; field data improves credibility.
5. Choose valuation methods suited to each service, preferring market or cost-based methods where possible.
6. Avoid double counting. Do not add the value of clean water and the value of the fish that depend on it if one causes the other.
7. Report uncertainty and ranges, not single headline numbers.
8. Present results with the physical metrics, so readers can check the logic.

Frameworks to align with

• SEEA Ecosystem Accounting: the UN statistical standard for ecosystem extent, condition and service accounts. Useful for alignment with government accounting.
• TNFD: companies assessing nature dependencies and impacts need service data. See TNFD for land companies.
• Carbon standards with co-benefit labels: CCB and SD VISta use evidence of community and biodiversity benefits. See co-benefits.

Using valuation in finance

Valuation helps structure blended finance. If a mangrove project reduces flood damage to a port or a regional economy, there may be a case for public or concessional money alongside carbon revenue. Valuations can also support result-based payment discussions and benefit-sharing negotiations. Keep carbon revenue projections separate from wider economic values, since they serve different audiences.

Indonesia specifics

Data availability varies. Java and Bali have dense hydrological and economic data; Papua and Maluku often do not. Benefit transfer from studies in other countries needs adjustment for income levels, ecosystem type and local context. Community knowledge about fisheries, forest products and water is often the best available data and should be recorded systematically.

Worked framing: a mangrove belt

Consider a mangrove restoration project on an eroding coast in North Sumatra. A sound valuation would proceed like this, without inventing numbers before data exist:

1. Extent and condition: hectares restored, canopy cover and width of the belt, measured in the field and by imagery.
2. Physical services: reduction in wave energy reaching villages and ponds, area of nursery habitat for crabs and fish, carbon removed.
3. Beneficiaries: households behind the belt, pond owners, fishers who use the channels.
4. Values: avoided repair costs to bunds and houses, change in catch reported by fishers, carbon credit revenue.
5. Distribution: who gains each benefit, and who bears the costs, such as former pond users.

The result is a set of linked physical and money values, each traceable to evidence. It supports both a funding proposal and a benefit-sharing discussion with the community.

Common mistakes

• Adding up total values for an entire province and presenting them as project benefits.
• Using global average values per hectare without local adjustment.
• Double counting carbon credit value and social cost of carbon.
• Valuing services with no identifiable beneficiary.
• Leaving out who loses if land use changes.

Our biodiversity valuation service produces site-level valuations with transparent assumptions. For background, see the biodiversity hub and biodiversity credit methods.