scientific data journal - data citation example

data-citation.xml

<ref-list content-type="data-citations">
<ref id="d1"><element-citation>
<named-content content-type="source">existing</named-content>
<source>Dryad Digital Repository</source>
<ext-link ext-link-type="dryad" specific-use="id" xlink:href="dryad.rv624">dryad.rv624</ext-link>
<year>2010</year>
<collab><contrib-group>
  <contrib>
    <name><surname>Brown</surname><given-names>Alison</given-names></name>
  </contrib>
  <contrib>
    <contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-6199-2343</contrib-id>
    <name><surname>Xiang</surname><given-names>Xu</given-names><suffix>Jr</suffix></name>
  </contrib>
</contrib-group>
</collab>
</element-citation></ref>
<ref id="d2"><element-citation>
<named-content content-type="source">new</named-content>
<source>SmallRepo</source>
<ext-link ext-link-type="smallrepo" specific-use="url" xlink:href="http://smallrepo.org/data/787700">787700</ext-link>
<year>2004</year>
<collab><contrib-group>
  <contrib>
    <contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-8205-121X</contrib-id>
    <name><surname>Smith</surname><given-names>Mary</given-names></name>
  </contrib>
  <contrib>
    <name><surname>Jones</surname><given-names>Peter</given-names><suffix>Jr.</suffix></name>
  </contrib>
  <contrib>
    <contrib-id contrib-id-type="orcid">http://orcid.org/0000-0002-5463-0974</contrib-id>
    <name><surname>Duncan</surname><given-names>Andrew</given-names><suffix>III</suffix></name>
  </contrib>
</contrib-group>
</collab>
<etal/>
</element-citation></ref>
</ref-list>
 

Was there a reason for not using the full DOI in your Dryad example above?