19 juin 2022
7
19
/06
/juin
/2022
17:35
Le 14 juin 2022
Plongée méridienne au Jaï, dans des eaux chaudes – plus de 25°C – mais encore claires - du moins tant que le vent ne se lève pas – grâce aux faibles rejets de l’usine de Saint-Chamas et à la pluviométrie scotchée à zéro depuis des semaines. Les fonds sablonneux ou vaseux du Jaï manquent souvent d’herbier pour y trouver les hipocampes de retour dans l’étang de Berre, et on y observe plutôt palourdes et escargots au niveau des fonds… une prolifération de cnétophores (groseilles de mer), aux allures de méduses… mais non urticants !
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ponte de poissons et blennie camouflée
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les habitants les plus nombreux : palourdes et leurs prédateurs escargots
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