Pre-release. This site describes standard version 0.7.0-dev, which is in development and may change before version 1.0.0.
How well the soil around the tree is covered with mulch at the visit.
Some mulch, not well covered
Well covered
This page explains the standard and does not decide conformance: only the released corpus does. It describes glossary/observation-schemes.ttl at standard version 0.7.0-dev.