File:WolffiaArrhiza1.jpg
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DescriptionWolffiaArrhiza1.jpg |
English: Plants of Spotless watermeal, Wolffia arrhiza, in between some duckweed of Spirodela polyrhiza (large "leaves"). Every single "tiny ball" of less than 1 mm length is an own individual plant. The whole surface of the pond (about 800 m²) was covered like this.
Deutsch: Bestand der Wurzellosen Zwerglinse, Wolffia arrhiza, dazwischen einige Sprossglieder der Vielwurzeligen Teichlinse (Spirodela polyrhiza; große "Blätter"). Jedes der "Kügelchen" ist eine eigene Pflanze. Die gesamte Weiheroberfläche von ca. 800 m² war auf diese Weise bedeckt.
Polski: Wolfia bezkorzeniowa |
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Date | ||||
Source | Own work. Location: North-eastern Lower Saxony, Germany. | |||
Author | Christian Fischer | |||
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Attribution: Christian Fischer
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:25, 2 September 2008 | 3,008 × 2,000 (1.48 MB) | Fice (talk | contribs) | better version | |
12:35, 2 November 2005 | 1,634 × 1,136 (539 KB) | Fice (talk | contribs) | *Description: ''Wolffia arrhiza'' on the surface of a pond; in between some ''Spirodela polyrhiza'' (large "leaves"). *Beschreibung: '''Wurzellose Zwerglinse''' (''Wolffia arrhiza'') auf der Oberfläche eines Weihers; dazwischen einige Sprossg |
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Camera manufacturer | PENTAX Corporation |
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Camera model | PENTAX K100D |
Exposure time | 1/125 sec (0.008) |
F-number | f/22 |
ISO speed rating | 200 |
Date and time of data generation | 17:46, 2 September 2008 |
Lens focal length | 100 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | K100D Ver 1.00 |
File change date and time | 17:46, 2 September 2008 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 17:46, 2 September 2008 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 150 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |
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