File:Patterns algues bactéries béton euralille 2 a4.jpg
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Français : Patterns réticulés et/ou circulaires d'algues vertes ou bactéries cyanophycées observés sur le sol d'une passerelle en béton, après quelques années (sur une partie relativement peu fréquentée) . Lieu : sur la "ZAC Euralille 2", à Lille, dans le nord de la France, le long de grands bâtiments dessinés par l'architecte Dominique Perrault pour la SEM Euralille, côté Bois habité). Ce pattern est apparu localement en pied de façade de verre (plusieurs étages) ainsi qu'à plusieurs endroits de la passerelle, ici en fin d'hiver. Il peut évoquer les motifs qui apparaissent sur le milieu de culture des boites de pétri lorsque des espèces y sont en compétition (ou en présence d'un toxique tels qu'un antibiotique pour une bactérie).
English: Cross-linked and / or circular patterns of green algae or cyanophytic bacteriae observed on the floor of a concrete walkway after a few years (on a relatively uncommon part). Location: on "ZAC Euralille 2", in Lille /northern France, along large buildings designed by the architect Dominique Perrault for the SEM Euralille. those patterns appeared locally at the foot of the glass façade as well as at several points of the walkway, here at the end of winter. Some of those patterns can evoke some patterns that appear on the culture medium of petri dishes when species compete (or in the presence of a toxicant such as an antibiotic for a bacterium). |
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| Source | Own work |
| Author | Lamiot |
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| current | 14:52, 18 April 2017 | | 4,181 × 3,305 (3.7 MB) | Lamiot (talk | contribs) | User created page with UploadWizard |
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