Issues

• How should software distinguish eventDate format non-conformance from uncertainty about the date itself?

  tdwg/dwc-qa#219 · Filter by author amgedi opened on Oct 10, 2026

• How to express provenance of specimens on natural history collections

  term - dynamicPropertiesterm - MaterialEntityterm - record-level
  tdwg/dwc-qa#218 · Filter by author EstebanMH-SiB opened on May 18, 2026
  1

• Protected area names - where to add?

  term - Locationterm - new term
  tdwg/dwc-qa#217 · Filter by author nina14213 opened on Jan 29, 2026
  11

• Input by ?

  answeredother types of data - generalterm - MaterialEntityterm - Occurrenceterm - record-level
  tdwg/dwc-qa#216 · Filter by author gneve-FRA opened on Jan 14, 2026
  1

• How to report occurrences derived by interview?

  tdwg/dwc-qa#215 · Filter by author CecSve opened on Dec 18, 2025
  1

• How to categorize other conservation statuses and record information about the ecology of a taxonomy for a location

  tdwg/dwc-qa#214 · Filter by author beausoleilmo opened on Aug 22, 2025
  3

• Help with column naming for zooplankton and tick datasets

  tdwg/dwc-qa#213 · Filter by author Simone-Moras opened on Aug 13, 2025
  1

• catalogNumber vs materialEntityID

  newother types of data - extensionsterm - MaterialEntityterm - MaterialSampleterm - Occurrence
  tdwg/dwc-qa#211 · Filter by author weevil-see opened on Jan 29, 2025
  3

  

• Observing/collection method filtering

  tdwg/dwc-qa#210 · Filter by author laurabrenskelle opened on Jun 10, 2024
  1

• Pipe separators are interfering with Markdown-based feedback loops

  tdwg/dwc-qa#209 · Filter by author mjy opened on May 10, 2024
  5

• Use of International System of Units (SI) in sampleSizeUnit and what is the best practice

  answeredterm - Event
  tdwg/dwc-qa#208 · Filter by author EstebanMH-SiB opened on Apr 23, 2024
  1

  

• Start and End coordinates and depths in DarwinCore

  tdwg/dwc-qa#206 · Filter by author ValeriedeCarufel opened on Mar 11, 2024
  5

• Should WoRMS LSID be the value of dwc:taxonID or dwc:scientificNameID in Occurrence core/extension?

  tdwg/dwc-qa#203 · Filter by author ymgan opened on Jul 20, 2023
  20

• Different dynamicProperties fields in event.txt and occurrence.txt - what happens when the tables are joined?

  other types of data - extensionsterm - dynamicPropertiesterm - Eventterm - MeasurementOrFactterm - Occurrenceterm - record-level
  tdwg/dwc-qa#201 · Filter by author Mesibov opened on Apr 20, 2023
  6

• How can the basisOfRecord for a holotype be HumanObservation?

  tdwg/dwc-qa#200 · Filter by author Mesibov opened on Apr 7, 2023

• dwc:datasetName use to group datasets, yes, no, options please?

  new
  tdwg/dwc-qa#199 · Filter by author debpaul opened on Mar 16, 2023
  10

• dwc:month examples have text, do I assume we really only want the numeric?

  answered
  tdwg/dwc-qa#197 · Filter by author debpaul opened on Mar 15, 2023
  11

• can I put am or pm in eventTime?

  term - Eventterm - MeasurementOrFact
  tdwg/dwc-qa#196 · Filter by author debpaul opened on Feb 16, 2023
  2

• Mixing of DwC class terms in DwCA files

  tdwg/dwc-qa#194 · Filter by author cgarrettjones opened on Dec 15, 2022

• Is there a location for a plain list of dwc terms?

  tdwg/dwc-qa#193 · Filter by author RobLBaker opened on Nov 7, 2022
  1

• How to store information of multiple life stages in a museum sample when everything is together

  tdwg/dwc-qa#192 · Filter by author EstebanMH-SiB opened on Oct 28, 2022
  5

• Example, if possible, of a core file that includes both Checklist and Occurrence data?

  tdwg/dwc-qa#191 · Filter by author mjy opened on Sep 22, 2022
  1

• native lands

  answeredother types of data - generalterm - dynamicProperties
  tdwg/dwc-qa#190 · Filter by author mattbuys opened on Sep 5, 2022
  1

• Question to logical structure of DarwinCore classes and properties

  tdwg/dwc-qa#189 · Filter by author herb52 opened on Jul 25, 2022
  5

  

• Tools to write Darwin Core files?

  answered
  tdwg/dwc-qa#188 · Filter by author RoryMMMM opened on Jul 20, 2022
  1