File:Hépatique immergée pied de berge de la rivière Les Baillons à Enquin-sur-Baillons aout 2017.jpg

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

Original file ‎(3,992 × 2,432 pixels, file size: 1.65 MB, MIME type: image/jpeg)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
Description
Français : vue subaquatique d'une hépatique (Marchantiophyta) immergée à qq cm sous la surface en pied de berge dans la rivière "Les Baillons" à Enquin-sur-Baillons, dans le Bassin de la Canche, dans le département du Pas-de-Calais (France), ici en aout 2017.


Les principales plantes aquatiques de cet herbier sont en 2017 le Faux Cresson de fontaine (Apium nodiflorum aussi dénommé Ache nodiflore), la Véronique aquatique (Veronica anagallis-aquatica), le Potamot pectiné, localement le Rubanier dressé (Sparganium erectum), une glycérie (Glyceria plicata) et sur berge le cresson de fontaine (aussi dit « officinal » (Nasturtium officinale). En 2017 en été l'eau était cristalline ; même en période très pluvieuse ... avec peu de périphyton sur les plantes et peu d'indices d'eutrophisation (algues filamenteuses localement). Durant mon passage je n'y ai pas vu d'oiseaux ni amphibiens ou couleuvres et très très peu de poissons (quelques truites, pas d'épinoches, mais les poissons peuvent se cacher facilement dans ces herbiers), mais la flore était vraiment remarquable pour la région.

Photo subaquatique prises à partir de la berge (pour ne pas perturber le milieu).
English: Underwater view of a Marchantiophyta sp. in the river "The Baillons" in Enquin-sur-Baillons in the basin of the Canche in the department of Pas-de -Calais (France), here in August 2017.
Date
Source Own work
Author Lamiot

Licensing

[edit]
I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current16:23, 19 August 2017Thumbnail for version as of 16:23, 19 August 20173,992 × 2,432 (1.65 MB)Lamiot (talk | contribs)User created page with UploadWizard

You cannot overwrite this file.

There are no pages that use this file.

File usage on other wikis

The following other wikis use this file:

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:Hépatique_immergée_pied_de_berge_de_la_rivière_Les_Baillons_à_Enquin-sur-Baillons_aout_2017.jpg&oldid=679234368"