File:AaRiverFrance Rubanier couvert bactéries.jpg
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| Description |
Feuille de rubanier asphyxiée par la pullulation de bactéries filamenteuses, dans l'Aa où ce phénomène était constant sur 10 km environ dans les années 1985-1990. C'est sur cette section de l'Aa qu'on a identifié des souches mutantes de bactéries chlororésistantes (Nord-Nature Saint Omer, SOS Nature-Défense des milieux humides). La situation s'est fortement améliorée depuis 1995 concernant la qualité de l'eau, avec l'extension de la station d'épuration de l'usine et des changements de process. Il y a eu aussi des pollutions accidentelles, ou de lessivage suivant des pluies d'orage. |
| Date | circa 1990 |
| Source | Own work |
| Author | F Lamiot |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
  
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| This licensing tag was added to this file as part of the GFDL licensing update. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:34, 23 August 2008 | | 844 × 551 (206 KB) | Cropbot (talk | contribs) | upload cropped version, operated by User:Finavon. Summary: border cropped |
| 11:28, 5 May 2007 |  | 866 × 573 (220 KB) | Lamiot (talk | contribs) | {{Information |Description=Feuille de rubanier asphyxiée par la pullulation de bactéries filamenteuses, dans l'Aa où ce phénomène était constant sur 10 km environ dans les années 1985-1990. C'est sur cette section de l'Aa qu'on a identifié des sou |
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