File:Kicking up rocks (5939687283).jpg
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Summary
[edit]DescriptionKicking up rocks (5939687283).jpg |
Using a D-net, the students group into teams of two or three to collect macroinvertebrates from the river, then identify their find and get an idea of what that tells about the quality of the stream. Here a group of students is turning up rocks to dislodge animals like caddisflies and mayflies so the river current will carry them into the net. Credit: Gary Peeples/USFWS www.fws.gov/asheville/ |
Date | |
Source |
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Author | U.S. Fish and Wildlife Service Southeast Region |
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This image, originally posted to Flickr, was reviewed on 24 November 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
Public domainPublic domainfalsefalse |
This image or recording is the work of a U.S. Fish and Wildlife Service employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. For more information, see the Fish and Wildlife Service copyright policy.
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current | 09:27, 24 November 2013 | 4,416 × 2,480 (5.54 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:AlbertHerring |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot G10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/3.5 |
ISO speed rating | 80 |
Date and time of data generation | 11:12, 31 May 2011 |
Lens focal length | 6.1 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 11:12, 31 May 2011 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 11:12, 31 May 2011 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 5.90625 |
APEX aperture | 3.625 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 15,123.287671233 |
Focal plane Y resolution | 11,324.200913242 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |