This page is dedicated to time-lapse movies of various plants and animals. The movies have been made independently or in collaboration with
students of mine. The movies may be downloaded directly from this webpage when available [download link provided] or supplied by the author upon request [achristensen at york.cuny.edu].
Movies may be played full screen by clicking the lower right of the thumbnail.
Subject: Mung bean (Vigna radiata) seedling taking up rhodamine
Methods: A three-hour image sequence (1 min intervals) was collected with a Nikon Eclipse SMZ1500 stereo
zoom microscope and a Nikon Ri1 color camera. The images were collected with NIS-Elements BR image acquisition software
and processed with ImageJ processing software.
Subject: Developing fruit fly (Drosophila melanogaster) sequence
Methods: Images were collected with a Nikon Eclipse SMZ1500 stereo
zoom microscope and a Nikon Ri1 color camera. The images were collected with NIS-Elements BR image acquisition software
and processed with ImageJ processing software.
Subject: Germinating alfalfa (Medicago sativa)
Methods: A three-day image sequence (2 min intervals) was collected with a Nikon Eclipse SMZ1500 stereo
zoom microscope and a Nikon Ri1 color camera. The images were collected with NIS-Elements BR image acquisition software
and processed with ImageJ processing software.
Methods: Images were collected with a Canon PowerShot A510 digital camera. The images were complied into a QuickTime movie using ImageJ,
a public domain Java image processing program.
Subject: Flowering Lobivia tiegeliana
Methods: The sequence of 284 images were collected at 10 min intervals over a 48 hour
period with a Canon PowerShot A510 digital camera. The images were complied into a QuickTime movie using ImageJ,
a public domain Java image processing program. The movie is presented at roughly 14 fps.
Methods: The sequence of 319 images were collected at 10 or 20 min intervals with a Canon PowerShot A510 digital camera. The images were complied into a QuickTime movie using ImageJ,
a public domain Java image processing program. The movie is presented at roughly 7 fps. The smell was funky, and the compilation is tragic.
Methods: The image sequence was collected with a Canon PowerShot A510 digital camera. The images were complied into a QuickTime movie using ImageJ,
a public domain Java image processing program. The movie is presented at roughly 29 fps.
Methods: The image sequence was collected with a Canon PowerShot A510 digital camera. The images were complied into a QuickTime movie using ImageJ,
a public domain Java image processing program. The movie is presented at roughly 15 fps.