File:Hydrodynamic-Trails-Produced-by-Daphnia-Size-and-Energetics-pone.0092383.s003.ogv

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Original file (Ogg multiplexed audio/video file, Theora/Vorbis, length 17 s, 1,024 × 1,024 pixels, 8.99 Mbps overall, file size: 18.22 MB)

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English: A sample video illustrating the currents induced by Daphnia (video file format: avi). Fluid motion is solely caused by swimming Daphnia. Frame dimensions are 32 by 32 mm. The video, which was recorded by one of the PIV cameras during our preliminary measurements, shows daphnids of various sizes crossing the laser light sheet. The flow field can be observed visually by following the white seeding particles used for PIV measurements. Judging by the dispersion of seeded particles at each crossing of Daphnias, it can be convincingly noted that a sudden leap of induced currents is associated with larger Daphnias. The video additionally illustrates that even the passive sinking of larger Daphnias can induce much larger trails than those of smaller Daphnias swimming at a high speed.
Date
Source Video S1 from Wickramarathna L, Noss C, Lorke A (2014). "Hydrodynamic Trails Produced by Daphnia: Size and Energetics". PLOS ONE. DOI:10.1371/journal.pone.0092383. PMID 24671019. PMC: 3966788.
Author Wickramarathna L, Noss C, Lorke A
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Date/TimeThumbnailDimensionsUserComment
current04:43, 4 April 201417 s, 1,024 × 1,024 (18.22 MB)Open Access Media Importer Bot (talk | contribs)Automatically uploaded media file from Open Access source. Please report problems or suggestions here.

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Format Bitrate Download Status Encode time
VP9 720P 2.55 Mbps Completed 05:49, 29 August 2018 38 s
VP9 480P 1.27 Mbps Completed 05:49, 29 August 2018 27 s
VP9 360P 631 kbps Completed 05:49, 29 August 2018 25 s
VP9 240P 315 kbps Completed 05:48, 29 August 2018 14 s
WebM 360P 509 kbps Completed 04:45, 4 April 2014 21 s
QuickTime 144p (MJPEG) 993 kbps Completed 16:30, 3 November 2024 3.0 s

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