File:Martensia spp, Batemans Marine Park, near Depot Beach NSW.jpg
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Summary
[edit]DescriptionMartensia spp, Batemans Marine Park, near Depot Beach NSW.jpg |
English: I first encountered Martensia in a narrow channel on rocky shelves on the NSW south coast, and was attracted by its striking iridescence. Over three visits, I have only ever found three specimens. This one was from near Depot Beach, Murramarang National Park, abutting the Batemans Marine Park NSW protected area.
Martensia is a genus of marine red macro algae (Division: Rhodophyta, Family: Delesseriaceae). According to the marine algae experts consulted, ID of the specific species here is difficult for two reasons. First is the need for microscopic analysis, particularly of reproductive traits, and also there is some taxonomic confusion. However, it is very probably one of M. australis, M. fragilis or M. elegans. |
Date | |
Source | Own work |
Author | RoyEdward |
Camera location | 35° 36′ 59.35″ S, 150° 19′ 25.76″ E | View this and other nearby images on: OpenStreetMap | -35.616486; 150.323823 |
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This image was uploaded as part of Wiki Loves Earth 2017.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:50, 28 May 2017 | 4,000 × 3,496 (2.3 MB) | RoyEdward (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 | Canon |
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Camera model | Canon PowerShot SD970 IS |
Date and time of data generation | 15:11, 16 April 2015 |
Exposure time | 1/50 sec (0.02) |
F-number | f/3.2 |
ISO speed rating | 80 |
Lens focal length | 6.6 mm |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Orientation | Normal |
File change date and time | 12:51, 18 May 2017 |
Software used | PaintShop Pro 15.00 |
Exif version | 2.21 |
Supported Flashpix version | 1 |
Color space | sRGB |
Meaning of each component |
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Image compression mode | 3 |
Date and time of digitizing | 15:11, 16 April 2015 |
APEX shutter speed | 5.65625 |
APEX aperture | 3.34375 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
Metering mode | Spot |
Flash | Flash did not fire, compulsory flash suppression |
Focal plane X resolution | 32,018.442622951 |
Focal plane Y resolution | 32,018.442622951 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1.953125 |
Scene capture type | Standard |
Structured data
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16 April 2015
35°36'59.350"S, 150°19'25.763"E
0.02 second
3.2
6.6 millimetre
- Files with coordinates missing SDC location of creation (36° S, 150° E)
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