Record Cleaner Service

Phenology Rule

The phenology rule is about the time of year in which a taxon may be observed. It is possible for a taxon to have multiple rules for different life stages.

The decision about which rule to apply is illustrated below.

Diagram showing decision logic for the phenology rule

The test confirms that the record does not occur prior to or after the acceptable range.

The date of the record must be wholely out of range for failure.