Hi all,

Thanks, Andrea and André :-) for your replies.

Just to be clear, this is how I should do:

In the event core, I leave `samplingProtocol` blank, because each event will have two sampling methods. The sampling method should be included in `measurementType`of the (Extended)MeasurementsOrFacts DwC Extension.

If using the ExtendedMeasurementsOrFacts, as Andrea recommends, I should include the occurrence ID from table occurrences in the column `occurrenceID`.

Is this correct?

I am curious what will happen when GBIF ingests the data. Will any of the sampling methods be associated with the occurrences?

Cheers,

Rui

------------------

Rui Figueira
Coordenador do Nó Português do GBIF
ruifigueira@isa.ulisboa.pt
Instituto Superior de Agronomia
Herbário
Tapada da Ajuda, 1349-017 Lisboa, Portugal
Tel. +351 213653165 | Fax. +351 213653195
http://www.gbif.pt
http://www.isa.ulisboa.pt

Hi Rui,

What about using SampleEvent core with MeasurementOrFacts DwC extension to store both event measurements(BraunBlanquet Scale value and % of coverage.) in addition to the Occurrence DwC extension for the occurrences.

No duplicates and you keep all original data.

My2cents

Ir Andre Heughebaert

GBIF Node Manager at Belgian Biodiversity Platform
+32(0)2238 3796
WTC III, 30 Bld Simon Bolivarlaan; B-1000 Brussels, Belgium

ORCID 0000-0002-7839-5300

On Mon, 20 Jul 2020 at 18:34, Rui Figueira <ruifigueira@isa.ulisboa.pt> wrote:

Dear all,

One of our publishers is preparing an event based dataset with plant
surveys, where two measurements were taken at each location: a Braun
Blanquet Scale value and % of coverage.

The normal option to create this dataset would be to make two event
records for each plot, one for each survey method. This allows to
preserve all original data, but will result in two occurrences for the
same species at the same plot.

The other option would be to report only one of the survey methods,
avoiding occurrence duplication, but not preserving data for the other
method.

Would anyone have a suggestion how to prepare the dataset, so that it
keeps values for both methods and does not create duplication of
occurrences?

Or the duplication is not an issue, and we should publish data for both
methods?

Thanks,

Rui

--
------------------

Rui Figueira
Coordenador do Nó Português do GBIF
ruifigueira@isa.ulisboa.pt
Instituto Superior de Agronomia
Herbário
Tapada da Ajuda, 1349-017 Lisboa, Portugal
Tel. +351 213653165 | Fax. +351 213653195
http://www.gbif.pt
http://www.isa.ulisboa.pt

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