Measured foundation
Live seagrass, mangrove and geomorphic reef extent, each with its own observation period.
Global Ocean Accounts Partnership
Start an ocean account with the assumptions visible.
Measured ecosystem extent comes live from the Spatial Data Framework. Condition, service and valuation inputs remain transparent parameters for you to review.
Indicative, not official statistics. This is a defensible first draft for scrutiny and local replacement—not an authoritative national account.
Begin with a place
Choose a marine accounting area
Assumptions on the table
Every derived input is designed to carry its source, formula, plausible range and provenance class.
Built for review
Distinct data states, neutral disputed-area labels and explicit caveats prevent false completeness.