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<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>10-02-2026
                                          (
                                          <div title="Date identifies when the resource was issued" xml:lang="eng">Publication</div>
<div title="Date identifies when the resource was issued" xml:lang="fre">Publication</div>)
                                       </dd>
</dl>
<dl>
<dd>27-05-2025
                                          (
                                          <div title="Date identifies when the resource was brought into
        existence
      " xml:lang="eng">Creation</div>
<div title="Date identifies when the resource was brought into
        existence
      " xml:lang="fre">CrÃ©ation</div>)
                                       </dd>
</dl>
<dl>
<dd> 17-07-2024<i class="fa fa-fw fa-arrow-right"> </i> 18-07-2024
                                           
                                          
                                          (<span xml:lang="eng">Temporal coverage</span><span xml:lang="fre">Couverture temporelle</span>)
                                          <br/></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"><a href="https://annuaire.ifremer.fr/cv/27836/" target="_blank">Trasch Martin
                                       (IFREMER)
                                       </a> 
                                    <a href="https://orcid.org/0000-0001-7451-2365" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:,Martin.Trasch@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/><a href="https://annuaire.ifremer.fr/cv/16551/" target="_blank">Repecaud Michel
                                       (IFREMER)
                                       </a> 
                                    <a href="https://orcid.org/0000-0001-6338-0125" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:,Michel.Repecaud@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/><a href="https://annuaire.ifremer.fr/cv/28257/" target="_blank">Perier Vincent
                                       (IFREMER)
                                       </a> 
                                    <a href="mailto:,Vincent.Perier@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">Du Parc Locmaria Geoffroy
                                    (Ship as A Service SAAS)
                                     
                                    <a href="mailto:info@serenmar.com" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/>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>
<div xml:lang="fre">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">PDG/REM/RDT/LHyMAR</p>
</div>
<div xml:lang="eng">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">PDG/REM/RDT/LHyMAR</p>
</div><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="">
<div xml:lang="fre">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Projet financÃ© dans le cadre de CPER Brest Bay Base (2023-2028) avec le soutient de la rÃ©gion Bretagne, du departement du
                                          finistÃ¨re et de Brest Metropole.
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">07/2024 : acquisition des donnÃ©es par la sociÃ©tÃ© Ship As A Service (SAAS).</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Capteurs utilisÃ©s : </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Imagerie du fond par sonar latÃ©ral (Klein 3500 haute rÃ©solution double frÃ©quence 450/900 Khz), rÃ©alisÃ©e par un AUV (AUV
                                          COMET 360, NEOTEK-SEA360Â®)
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Qualification des images sonar (densitÃ©, nature) par rÃ©alisation de prises de vue sous-marine  (transects ou stations gÃ©olocalisÃ©es)
                                          depuis un bathy vidÃ©o tractÃ© (camÃ©ra SD 1000 TVL et GoPro Hero 12 Black edition)
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">10/2024 :  estimation de la vitalitÃ© de lâherbier (densitÃ©, taille) Ã  partir de quadrats (0,1 mÂ²) en plongÃ©e sous-marine.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">05/2025 : Rapport final</p>
</div>
<div xml:lang="eng">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Project funded thanks to the Brest Bay Base CPER (2023-2028), with the financial supports of the Brittany region, Finistere's
                                          department and the city of Brest.
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">2024-07 : datas acquisition by Ship As A Service (SAAS) compagny :</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Sensors used :</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Sonar imaging by side-scan sonar (Klein 3500 high resolution dual frequency 450/900 kHz), performed by an AUV (AUV COMET
                                          360, NEOTEK-SEA360Â®)
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Sonar imaging qualification (density, type) by underwater photography  (seafloor transect or geolocated stations) from an
                                          towed video sledges  (equiped with camera SD 1000 TVL and  GoPro Hero 12 Black edition) 
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">2024-10 :  estimation of the vitality of the eelgrass (density, size) based on  quadrats samples (0,1 mÂ²) by scuba diving.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">05/2025 : final report</p>
</div>
</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="eng">Use limitation</div>
<div xml:lang="fre">Limitation d'utilisation</div>
</dt>
<dd><a href="https://creativecommons.org/licenses/by/4.0/">
<div xml:lang="fre">CC-BY (Creative Commons - Attribution)</div>
<div xml:lang="eng">CC-BY (Creative Commons - Attribution)</div></a></dd>
</dl>
<dl class="gn-useConstraints">
<dt>
<div xml:lang="eng">Use constraints</div>
<div xml:lang="fre">Contraintes d'utilisation</div>
</dt>
<dd>
<div title="Formal permission to do something" xml:lang="eng">License</div>
<div title="Formal permission to do something" xml:lang="fre">Licence</div>
</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="Vector data is used to represent geographic data
      " xml:lang="eng">Vector</div>
<div title="Vector data is used to represent geographic data
      " xml:lang="fre">Vecteur</div>
</dd>
</dl>
<dl>
<dt><span xml:lang="eng">Scale</span><span xml:lang="fre">Ãchelle</span></dt>
<dd>1:500<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:2154</dd>
</dl>
</td>
</tr>
</table>

> Citation proposalCiter la ressource Trasch Martin, Repecaud Michel, Perier Vincent (2026). Carte de la macroflore benthique du site d'essais de St Anne du Portzic (2024) St Anne sea test site's Benthic macroflora map's (2024).Sextant https://doi.org/10.12770/e5e39139-7550-4112-8bbc-96245ded532e

### accessData

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