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File:Encroutement localisé sur le fond de l'Authie amont barrage B2 9 aout 2017a.jpg

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Français : Vue subaquatique d'un phénomène de biominéralisation (Encroutements bactériens localisés) ici observés dans le fleuve Authie (Pas-de-Calais) près du pont qui précède le barrage B2 le 09 aout 2017 à faible profondeur (par rapport au "niveau d'étiage" estival). Remarque : un zoom sur le centre de l'image montre une fibre translucide avec seulement quelques zones pigmentées vertes. Passage de truitelles observées ce jour.
English: Phenomenon of biomineralization (localized bacterial encounters) here observed in Authie River near the bridge that precedes dam B2 on 09 August 2017 at shallow depth (relative to summer "low water level"). Note: A zoom on the center of the image shows a translucent fiber with only some green pigmented areas.
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Author Lamiot
Camera location50° 20′ 41.97″ N, 1° 50′ 03.31″ E  Heading=301.64° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current08:41, 19 August 2017Thumbnail for version as of 08:41, 19 August 20173,564 × 2,418 (1.41 MB)Lamiot (talk | contribs)User created page with UploadWizard

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