File:J20171219-0063—Dudleya traskiae—RPBG—DxO (39178167062).jpg
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[edit]DescriptionJ20171219-0063—Dudleya traskiae—RPBG—DxO (39178167062).jpg | Dudleya traskiae—Santa Barbara Island dudleya. The species is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere). It is also listed by both the State of California and federal government as 'Endangered'. D. traskiae is endemic to Santa Barbara Island, the smallest of the Channel Islands and the southernmost island in Channel Islands National Park. Stephen McCabe, the author of the Jepson Manual treatment for Dudleya, informs me that the species was once considered extinct until a few plants were rediscovered. People interested in the species should also read the Wikipedia entry for Dudleya traskiae. A Google search will reveal resources for further study of the species. The species seems to be making a slow comeback now that feral non-native rabbits and other invasive species have been removed from the island. Photographed at Regional Parks Botanic Garden located in Tilden Regional Park near Berkeley, CA. |
Date | |
Source | J20171219-0063—Dudleya traskiae—RPBG—DxO |
Author | John Rusk from Berkeley, CA, United States of America |
Camera location | 37° 53′ 36.24″ N, 122° 14′ 37.37″ W | View this and other nearby images on: OpenStreetMap | 37.893399; -122.243714 |
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[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by John Rusk at https://flickr.com/photos/12303842@N00/39178167062 (archive). It was reviewed on 27 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
27 October 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:18, 27 October 2019 | 3,650 × 3,650 (11.92 MB) | Rudolphous (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot G7 X |
Author | John Rusk |
Copyright holder | cc-by-nc-sa john rusk |
Exposure time | 1/200 sec (0.005) |
F-number | f/5 |
ISO speed rating | 125 |
Date and time of data generation | 2017:12:19 9:55:24 |
Lens focal length | 36.8 mm |
Software used | Picture Window Pro 64 v7.0.20 |
File change date and time | 09:55, 19 December 2017 |
Exif version | 2.3 |
Date and time of digitizing | 09:55, 19 December 2017 |
APEX shutter speed | 7.65625 |
APEX aperture | 4.65625 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Spot |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 10,584.13926499 |
Focal plane Y resolution | 3,648,000 |
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 | Auto white balance |
Digital zoom ratio | 0.0051948250114144 |
Scene capture type | Standard |
GPS tag version | 0.0.3.2 |
IIM version | 2 |
Keywords | DxO Kodak Porta 160 VC preset |