- FranÃ§ais

<table class="table gn-sextant-view-table">
<tr>
<td><span xml:lang="eng">Date(s)</span><span xml:lang="fre">Date de la donnÃ©e</span></td>
<td>
<dl>
<dd>07-10-2025
                                          (
                                          <div title="Date identifies when the resource was issued" xml:lang="fre">Publication</div>)
                                       </dd>
</dl>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Author(s)</span><span xml:lang="fre">Auteur(s)</span></td>
<td class="" data-gn-read-more="" data-line-number="10">Jade Millot
                                    (Ifremer)
                                     
                                    <a href="https://orcid.org/0009-0003-8813-0677" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:jade.millot@orange.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/><a href="https://annuaire.ifremer.fr/cv/16857/" target="_blank">Vaz Sandrine
                                       (IFREMER)
                                       </a> 
                                    <a href="https://orcid.org/0000-0002-7365-8335" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:,Sandrine.Vaz@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Contact(s)</span><span xml:lang="fre">Contact(s)</span></td>
<td data-gn-read-more="" data-line-number="10">Sextant
                                    (IFREMER)
                                     
                                    <a href="mailto:sextant@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Source</span><span xml:lang="fre">Source</span></td>
<td>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Ifremer</p><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Lineage</span><span xml:lang="fre">GÃ©nÃ©alogie</span></td>
<td data-gn-read-more="">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">1- Funiculina quadrangularis presenceâabsence data compiled from the MEDITS database.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">2- Environmental predictors extracted from Bio-Oracle and EMODnet for present conditions and two future climate scenarios
                                       (SSP1-2.6, SSP2-4.5 and SSP5-8.5) by 2050 and 2100.
                                    </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">3- Records resampled to reduce spatial autocorrelation: 30 datasets generated through bootstrapping after variogram analysis
                                       to determine the optimal resolution of the resampling grid.
                                    </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">4- Each dataset split into independent calibration and testing subsets using spatial blocks (blockCV).</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">5- Species distribution predicted using four algorithms: GAM, GLM, RF, and GBM.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">6- Model performance evaluated (AUS and TSS). Only the best-performing models were selected, and their predictions averaged
                                       in an ensemble model weighted by TSS.
                                    </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">7- Future projections produced under climate change scenarios.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">8- Binary presenceâabsence maps generated by applying a 0.52 probability threshold to define presence.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">9- Differences between present and future predictions used to identify climate refugia (areas remaining suitable for the species
                                       in the future), habitat losses and gains.
                                    </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">10- Model disagreement among individual models included in the ensemble = standard deviation of predictions.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">11- Environmental extrapolation assessed with the ExDet tool, based on Mahalanobis distance between calibration and projection
                                       spaces:
                                    </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Univariate extrapolation: values outside the calibration range for at least one predictor.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Analogous conditions: environments within the calibration space.</p>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Constraints</span><span xml:lang="fre">Contraintes</span></td>
<td class="gn-record-view_tablecell_aerate">
<dl class="gn-useLimitation">
<dt>
<div xml:lang="fre">Limitation d'utilisation</div>
</dt>
<dd><a href="https://creativecommons.org/licenses/by/4.0/">CC-BY (Creative Commons - Attribution)</a></dd>
</dl>
<dl class="gn-useConstraints">
<dt>
<div xml:lang="fre">Contraintes d'utilisation</div>
</dt>
<dd>
<div title="Formal permission to do something" xml:lang="fre">Licence</div>
</dd>
</dl>
<dl class="gn-otherConstraints">
<dt>
<div xml:lang="fre">Autres contraintes</div>
</dt>
<dd>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">We do our best to ensure that the data is complete, accurate and useful. However, because the processing required to generate
                                             the data is complex, we cannot be liable for omissions or inaccuracies. The data and any related materials contained therein
                                             are provided âas isâ, without warranty of any kind, either expressed or implied, including but not limited to, fitness for
                                             a particular purpose, non-interference, system integration, or non-infringement. The entire risk of use of the data shall
                                             be with the user.
                                          </p>
</dd>
</dl>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Spatial informations</span><span xml:lang="fre">Informations gÃ©ographiques</span></td>
<td>
<dl>
<dt><span xml:lang="eng">Data type</span><span xml:lang="fre">Type de donnÃ©es</span></dt>
<dd>
<div title="Grid data is used to represent geographic data" xml:lang="fre">Raster</div>
</dd>
</dl>
<dl>
<dt><span xml:lang="eng">Resolution</span><span xml:lang="fre">RÃ©solution</span></dt>
<dd>0.04 Â°<br/></dd>
</dl>
<dl>
<dt><span xml:lang="eng">Coordinate system</span><span xml:lang="fre">SystÃ¨me de coordonnÃ©es</span></dt>
<dd>EPSG:4326</dd>
</dl>
</td>
</tr>
</table>

> Citation proposalCiter la ressource Jade Millot, Vaz Sandrine (2025).Habitat suitability of the vulnerable seapen Funiculina quadrangularis in the Mediterranean (under SSP of the IPCC).Sextant https://doi.org/10.12770/80056e6d-c896-4fd3-92af-5d05a9736f0b

### accessData

## Overviews

## Spatial extent

## Keywords