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Summary
DescriptionRhizophora mangle (red mangrove) (San Salvador Island, Bahamas) 2 (15598675449).jpg |
Rhizophora mangle Linnaeus, 1753 - red mangrove in the Bahamas. Plants are multicellular, photosynthesizing eucaryotes. Most species occupy terrestrial environments, but they also occur in freshwater and saltwater aquatic environments. The oldest known land plants in the fossil record are Ordovician to Silurian. Land plant body fossils are known in Silurian sedimentary rocks - they are small and simple plants (e.g., Cooksonia). Fossil root traces in paleosol horizons are known in the Ordovician. During the Devonian, the first trees and forests appeared. Earth's initial forestation event occurred during the Middle to Late Paleozoic. Earth's continents have been partly to mostly covered with forests ever since the Late Devonian. Occasional mass extinction events temporarily removed much of Earth's plant ecosystems - this occurred at the Permian-Triassic boundary (251 million years ago) and the Cretaceous-Tertiary boundary (65 million years ago). The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction. The red mangrove principally lives in sheltered estuaries with its roots in and often submerged by marine water. Most angiosperms cannot tolerate such saline conditions. The plant’s vascular tissues transport nutrients and water throughout the plant, as do all vascular plants. The transported water is, of course, quite salty. This salt is not needed by the organism. The red mangrove concentrates the salt into a few leaves, which turn yellow. Eventually, the yellow, salt-rich leaf detaches and falls into the water. These leaves essentially act as kidneys for the whole plant. Classification: Plantae, Angiospermophyta, Rhizophorales, Rhizophoraceae Locality: northern shore of North Pigeon Creek Estuary, southeastern San Salvador Island, eastern Bahamas More info. at: <a href="https://en.wikipedia.org/wiki/Rhizophora_mangle" rel="nofollow">en.wikipedia.org/wiki/Rhizophora_mangle</a> |
Date | |
Source | Rhizophora mangle (red mangrove) (San Salvador Island, Bahamas) 2 |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/15598675449. It was reviewed on 12 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
12 November 2019
Items portrayed in this file
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24 March 2007
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:24, 12 November 2019 | 3,008 × 2,000 (2.57 MB) | Ser Amantio di Nicolao | Transferred from Flickr via #flickr2commons |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/800 sec (0.00125) |
F-number | f/7.1 |
Date and time of data generation | 11:13, 24 March 2007 |
Lens focal length | 200 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 22:19, 13 November 2014 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 11:13, 24 March 2007 |
Meaning of each component |
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Image compression mode | 4 |
Exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 90 |
DateTimeOriginal subseconds | 90 |
DateTimeDigitized subseconds | 90 |
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 | 1 |
Focal length in 35 mm film | 300 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Supported Flashpix version | 1 |
Image width | 3,008 px |
Image height | 2,000 px |
Date metadata was last modified | 17:19, 13 November 2014 |