The domestic cat was introduced before christ in these parts, how would you encode this on a checklist in DarwinCore?
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Short message to follow the answers.
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The taxon core would be:
alien-mammals-checklist:taxon:f1f1a32768b381663234cafe4d2dac22 alien-mammals-checklist:taxon:f1f1a32768b381663234cafe4d2dac22 Felis catus Linnaeus, 1758 Animalia Chordata Carnivora Felidae Felis species ICZN en http://creativecommons.org/publicdomain/zero/1.0/ INBO https://www.inbo.be/en/norms-data-use INBO https://doi.org/10.1016/j.tree.2011.03.023 Checklist of alien mammals of Belgium
And the distribution extension:
alien-mammals-checklist:taxon:f1f1a32768b381663234cafe4d2dac22 ISO_3166-2:BE-VLG Flemish Region BE present introduced established pet -753/2024 https://waarnemingen.be/species/20332/observations/?date_after=1000-04-08&date_before=2024-06-01&country_division=&search=&advanced=on&user=&location=&sex=&month=&is_validated=on&life_stage=&activity=&method=&validation_status= 753 voor Christus tot 476 na Christus (Romeinse periode)
Thanks to Matt I’ve found this github issue: eventDate for historical datasets with negative date (BC) · Issue #785 · gbif/pipelines · GitHub
However, we are dealing with Checklist data, not occurrences.
@pieter as per my according you can do this- Understand Negative Dates, Check System Compatibility & Create the Record
We are planning to give it a go and send it to gbif test to see what happens in the pipeline. I don’t think we’ve gotten to it yet, have we @Sanne ?
Correction: We’ve done it and it works; Felis catus Linnaeus, 1758