File:Étang de poulguidou.jpg
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Summary[edit]
DescriptionÉtang de poulguidou.jpg |
Français : « L’étang de Poulguidou est un maillon remarquable de la chaîne floristique et écologique unissant les milieux humides et littoraux à ceux de l’intérieur ». (pr Strullu).
D’une superficie de 35 hectares, l’étang de Poulguidou fait l’objet d’un arrêté de protection de biotope (19 en Bretagne) en raison de son grand intérêt biologique tenant à plusieurs paramètres : des niveaux d’ eau variables au long de l’ année(variations des hauteurs de 1m50 en année normale) offrant des conditions hydriques variées, des natures de sols différents depuis le sable de la cuvette centrale jusqu’à des sols profonds riches en matière organiques ;la proximité relative de la mer (3.5km) marquée par la présence de certaines plantes cantonnées au littoral. Les nombreuses combinaisons offertes par ces différentes natures induisent des formations végétales diversifiées : végétation aquatique, prairies, roselières, landes, tourbières, bas marais. La richesse botanique et ornithologique du site sont reconnues attestées par la présence d’espèces rares et protégées ; la drosera rotundifolia et intermédia (deux plantes carnivores qui se nourrissent en capturant des insectes) et la spirante d’été (orchidée) grassette du Portugal, rhyucaspore blanc, illicèbre verticillé pour les espèces végétales ; grèbes castagneux, sternes pierregarins, hérons cendrés, aigrettes gazettes entre autres pour les oiseaux. |
Date | |
Source | Own work |
Author | Mairie de mahalon |
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বাংলা ∙ brezhoneg ∙ English ∙ français ∙ 日本語 ∙ македонски ∙ +/− |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:46, 26 July 2016 | 2,816 × 2,112 (2.57 MB) | Mairie de mahalon (talk | contribs) | User created page with UploadWizard |
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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.
Camera manufacturer | Panasonic |
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Camera model | DMC-TZ2 |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/3.3 |
ISO speed rating | 100 |
Date and time of data generation | 15:23, 21 July 2008 |
Lens focal length | 4.6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Ver.1.0 |
File change date and time | 15:23, 21 July 2008 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:23, 21 July 2008 |
Meaning of each component |
|
Image compression mode | 4 |
APEX exposure bias | 0.66 |
Maximum land aperture | 3.44 APEX (f/3.29) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |