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Quentin & Co<br>
<br>
It depends what you mean by "survey". I would put each visit to a
sampling location (such as a plot) in the event core, and put all
the taxa that are observed in a non-core table. The properties of
the entire survey (project) would go to the EML metadata.<br>
<br>
Hannu<br>
<br>
On 2015-11-11 10:20, Quentin Groom wrote:
<blockquote
cite="mid:CALr=EE1M92iAYK6wLjZBAcfn2q0Ws_4yYY8tuUYot0OWYbv9nA@mail.gmail.com"
type="cite">
<div dir="ltr">I'm rather confused how the Darwin Core Star Schema
is meant to work for survey data.
<div><br>
</div>
<div>Darwin Core can have one of two Core files, taxon or
occurrence. The most appropriate for a survey would seem to
be occurrence. So I imagine that in the star schema you could
also have a related event file detailing the date and location
of each survey and a non-core taxon file detailing the taxa
that are observed.</div>
<div><br>
</div>
<div>However, this does not seem to be possible. The DWC-A
validator (<a moz-do-not-send="true"
href="http://tools.gbif.org/dwca-validator/">http://tools.gbif.org/dwca-validator/</a>),
assumes only on core id in the core file so you can't link an
occurrence both to a taxon and to an event. This is also true
in the Darwin Core Archive Assistant (<a
moz-do-not-send="true"
href="http://tools.gbif.org/dwca-assistant/">http://tools.gbif.org/dwca-assistant/</a>).
The solution seems to be to put all the information from the
taxon core file into the occurrence file, but keep the
separate event file linked with the core occurrence id.</div>
<div><br>
</div>
<div>Is this correct? It seems rather counter intuitive.</div>
<div><br>
</div>
<div>Regards</div>
<div>Quentin<br clear="all">
<div>
<div class="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div><br>
</div>
<div><br>
</div>
<div>Dr. Quentin Groom</div>
<div>(Botany and Information Technology)</div>
<div><br>
</div>
<div>Botanic Garden Meise</div>
<div>Domein van Bouchout</div>
<div>B-1860 Meise</div>
<div>Belgium</div>
<div><br>
</div>
<div>ORCID: 0000-0002-0596-5376</div>
<div><br>
</div>
<div>Landline; +32 (0) 226 009 20 ext. 364</div>
<div>FAX: +32 (0) 226 009 45</div>
<div><br>
</div>
<div>E-mail: <a moz-do-not-send="true"
href="mailto:quentin.groom@plantentuinmeise.be"
target="_blank">quentin.groom@plantentuinmeise.be</a></div>
<div>Skype name: qgroom</div>
<div>Website: <a moz-do-not-send="true"
href="http://www.botanicgarden.be"
target="_blank">www.botanicgarden.be</a></div>
<div><br>
</div>
</div>
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<pre class="moz-signature" cols="72">--
Hannu Saarenmaa, Research Director
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University of Eastern Finland
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