Caption: Birch tree (Betula sp) with an abnormal growth (or bur) on its trunk. Such growths are often caused by a virus or other stressing agent, and they do not always harm the tree.

Release details: Model release not required. Property release not required.

Keywords: 10 seconds or greater, betula, betula sp, betulaceae, birch, birch tree, birch trees, birches, bur, burl, burr, close up, close-up, closeup, damage, damaged, deciduous, disease, flora, forest, forests, growth, knot, knots, natural, nature, no-one, nobody, outdoors, outside, plantae, problems, tilt up, tilting up, tree, tree trunk, tree trunks, trees, trunk, trunks, virus, woods

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Birch tree with bur

K003/3469 Rights Managed

Downloadable master

Duration: 00:00:17.11

Frame size: 1920x1080

Frame rate: 25

Audio: Yes

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 761.7M


Capture format: HDV

Codec: Apple ProRes 422 (HQ)

Please contact Science Photo Library if you require the original, or other formats.


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