File:Nénuphar provoquant une accumulation de feuilles mortes oct 2016 Moyenne-Deûle.jpg

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Français : Accumulation de feuilles mortes en automne (oct 2016) près du Pont Napoléon sur la Moyenne-Deûle (rivière semi-artificialisée et à courant très lent) sur une zone occupée (depuis 1 an) par des feuilles flottantes de nénuphar (Nénuphar jaune.
Ce nénuphar contribue ainsi à légèrement freiner l'export de feuilles mortes vers l'aval, constituant une cache supplémentaire pour certains poissons et une source de matière organique et de nutriments pour l'écosystème local.
Français : Accumulation of leaves in the fall (October 2016) il Lille (France) near the Napoleon Bridge on the Mid-Deûle River (semi-artificialized river and slow current) on an occupied area (for 1 year) by floating lily pads ( yellow lily.
This water lily contributes to slightly curb the export of leaves downstream, making additional cover for certain fish and a better source of organic matter and nutrients to the local ecosystem.
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Author Lamiot

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current15:23, 29 October 2016Thumbnail for version as of 15:23, 29 October 20164,554 × 2,424 (2.32 MB)Lamiot (talk | contribs)User created page with UploadWizard

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