search

PlantPhenoOntology / ppo

An ontology for describing the phenology of individual plants and populations of plants, and for integrating plant phenological data across sources and scales.
16 stars 8 forks source link

">50% of leaves colored" and "All leaves colored" phenophases #77

Closed edenny closed 8 months ago

edenny commented 9 months ago

Unlike ">50% leaves fallen" or "All leaves fallen", the phenophases for ">50% of leaves colored" and "All leaves colored" include a great deal of uncertainty about what percentage leaves are actually still present on the plant since after leaves color, they tend to fall off.

So mapping these phenophases as {senescing true leaves present} with a lower and upper value is maybe misleading. I'm trying to figure out how to acknowledge/document this uncertainty.

Perhaps add a caveat in the comments for the PPO trait that possibly some or all of these senescing true leaves are no longer attached to the plant but on the ground below it?

Other thoughts?

edenny commented 8 months ago

Discussed this in the team meeting and we decided it did not really matter so much. Nevertheless, I will think about the best way to document that this uncertainty exists in certain datasets, whether that is just a note in the mapping file or a comment included with the PPO trait that this is a common way to record colored leaves in in situ datasets.