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            <gco:CharacterString>Principaux éléments du suivi des marées vertes :

Sur Loire Bretagne :
Réseau DCE RCS (réseau de contrôle de surveillance de la DCE) :
- en MO Ifremer, depuis 2007,
- comprend des suivis aériens (3 dates annuelles, mai, juillet, sept) sur le littoral du Mont St Michel à la pointe Nord de l’Ile de Ré (phare des Baleines), pour les sites comprenant des échouages d'ulves sur baies sableuses = tracé des dépôts sur SIG, sur vasières = tracé des surfaces d'algues vertes pour le max annuel de 2008 à 2010 et sur une partie des sites seulement depuis 2011 (10 ME),
-des enquêtes auprès de toutes les communes sur les volumes de ramassage, coût, destination des algues ramassées,
Réseau complémentaires RCO - CIMAV :
- en MO CEVA avec financement AELB, CG22, 29, 35, 56 et CRB, depuis 2002,
- comprend des suivis aériens (4 survols complémentaires sur une liste déterminée de sites = sites principaux sur le littoral breton), digitalisation des surfaces d’échouages comprend suivis en « quotas azotés » et « phosphorés » sur une liste déterminée de sites = indication du niveau nutritionnel vu par les algues
- comprend des évaluations en biomasses totales des sites (dépôts sur estran et infralittorales par plongées) : sur les sites principaux, détermination des sites à suivre annuellement
Réseau complémentaires RCO :
- en MO CEVA avec financement AELB, depuis 2011,
- comprend des suivis aériens (2 survols complémentaires sur une liste déterminée de sites = 14 sites principaux sur le littoral entre le pays de Loire et l’Ile de Ré), digitalisation des surfaces d’échouages
- comprend suivis en « quotas azotés » et « phosphorés » sur une liste déterminée de 14 sites = indication du niveau nutritionnel vu par les algues
-pourrait comprendre des évaluations en biomasses totales des sites (dépôts sur estran et infralittorales par plongées) : évaluation des possibilités techniques en cours

Sur Seine Normandie :
- en MO Ifremer, depuis 2008,
- comprend des suivis aériens (3 dates annuelles, mai, juillet, sept) sur le littoral du Tréport au Mont St Michel, pour les sites comprenant des échouages d'ulves sur baies sableuses = tracé des dépôts sur SIG,
- des enquêtes auprès de toutes les communes sur les volumes de ramassage, coût, destination des algues ramassées,

Sur Artois Picardie :
- en MO Ifremer, année 2009,
- a comporté des suivis aériens (2 dates annuelles, mai, juillet) sur le littoral du la Frontière Franco-Belge au Tréport, pour les sites comprenant des échouages d'ulves sur baies sableuses = tracé des dépôts sur SIG,
- a comporté des enquêtes auprès de toutes les communes sur les volumes de ramassage, coût, destination des algues ramassées,

Sur Adour Garonne :
- en MO Ifremer, depuis 2011,
- comprend des suivis aériens (3 dates annuelles, mai, juillet, sept) sur le littoral de l’Ile d’Oléron, pour les sites comprenant des échouages d'ulves sur plage = tracé des dépôts sur SIG,
- des enquêtes auprès de toutes les communes sur les volumes de ramassage, coût, destination des algues ramassées.</gco:CharacterString>
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                        <gco:CharacterString>DCSMM : Descripteurs</gco:CharacterString>
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                     <gmd:eastBoundLongitude>
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                     <gmd:southBoundLatitude>
                        <gco:Decimal>43.37</gco:Decimal>
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            <gco:CharacterString>Maître d'ouvrage :
CEVA 
Ifremer

Maîtres d'œuvre :
CEVA

Financeur(s) :
Région  Bretagne
Départements bretons
AELB
AESN
AEAG 
IFREMER
CEVA</gco:CharacterString>
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               <gmd:dateTime/>
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                        <gmd:CI_Citation>
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                              <gco:CharacterString>Inspire specifications</gco:CharacterString>
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                           <gmd:date>
                              <gmd:CI_Date>
                                 <gmd:date>
                                    <gco:Date>2012-01-16</gco:Date>
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                                 <gmd:dateType>
                                    <gmd:CI_DateTypeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode"
                                                         codeListValue="creation">creation</gmd:CI_DateTypeCode>
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               <gmd:processStep>
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                     <gmd:description>
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Ulves
Niveau d’eutrophisation

Paramètre(s) observé(s) ou mesuré(s) :
Biomasse, surface touchée, volumes de ramassage, coût, destination des algues ramassées
Teneurs en azote, phosphore</gco:CharacterString>
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                        <gco:CharacterString>Plan(s) d'échantillonnage :  Spatial</gco:CharacterString>
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