Device and method for catching zooplankton or other microorganisms
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United States of America Patent
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May 25, 2010
Grant Date -
Jun 19, 2008
app pub date -
Oct 28, 2005
filing date -
Oct 28, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A harvesting device for zooplankton (1) or other micro organisms in a body of water (2). The new and inventive in the harvesting method is amongst others a bubble diffuser (3) arranged for being submerged in the body of water (2) and arranged for releasing gas bubbles (4) preferably air, in the body of water so as for said bubbles (4) may attach to zooplankton (1) and bring them closer to the surface (21) of said body of water (2) for collection by means of a skimmer or trawl (5). Said trawl is further arranged as a skimmer with a transportation tube from the aft of said skimmer to a vessel which both tows the trawl and processes the harvested zooplankton at the same time.
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