Gently gliding like spectres in the midnight black depths, these zooplankton are the subject of the latest crowdsourcing science project from the Zooniverse team that brought us Galaxy Zoo.
These eerie images of fantastical zooplankton were captured off the coast of southern California by an underwater robot called the In Situ Ichthyoplankton Imaging System – ISIIS for short. Like an ocean-based scanner, the robot casts the shadows of the tiny translucent plankton onto a high-resolution digital sensor to make these beautiful, ghostly pictures.
The Plankton Portal project calls for online volunteers to donate some time classifying the size, orientation and type of plankton in millions of images captured by ISIIS.
The ISIIS robot works quickly: in a three-day excursion, it papped so much plankton that it would take the research team from the University of Miami and Oregon State University three years to analyse if they were working alone. It's no good putting a computer on the case – it could tell a shrimp from a jellyfish, but the human eye is much better at detecting the differences between intricate arrays of species from the same family.
Understanding plankton will improve our a global view of the function and health of the ocean – small they may be, but they are major players in the carbon cycle.
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