Device and method for harvesting zooplankton or other micro...

A - Human Necessities – 01 – K

Patent

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A01K 79/00 (2006.01)

Patent

CA 2584629

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.

L'invention concerne un dispositif de récolte de zooplancton (1) et autres micro-organismes dans une masse d'eau (2). Le dispositif de récolte selon l'invention comprend notamment un diffuseur de bulles (3) conçu pour être immergé dans la masse d'eau (2) et conçu pour dégager des bulles de gaz (4), de préférence des bulles d'air, dans la masse d'eau de façon à ce que lesdites bulles (4) s'accrochent au zooplancton (1) et l'amènent à la surface (21) de ladite masse d'eau (2) où il est récolté à l'aide d'un écumeur ou d'un chalut (5). Ledit chalut est en outre conçu comme un écumeur et équipé d'un tube de transport reliant l'arrière dudit écumeur à un navire qui remorque le chalut et traite simultanément le zooplancton récolté.

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