A raceway pond is a long, relatively shallow open-pond made up of channels that wind around, sometimes in the pattern of an automotive raceway, though many ponds look like a very simple maze if looked at from above. Raceway ponds use paddle wheels to agitate the water and give it a direction of flow. The Department of Energys' Aquatic Species Program experimented with raceway ponds for the cultivation of algae. Many commercial producers of Spirulina,(blue-green algae), still use raceway ponds as their prime means of cultivation. A paddle steamer, paddleboat, or paddlewheeler is a ship driven by one or more paddle wheels driven by a steam engine. ... Species Spirulina corakiana Spirulina crispum Spirulina labyrinthiformis Spirulina laxa Spirulina laxissima Spirulina major Spirulina meneghiniana Spirulina nordstedtii Spirulina princeps Spirulina subsalsa Spirulina subtilissima Spirulina platensis Spirulina tenerrima Spirulina weissii Spirulina is a genus of filamentous cyanobacteria (commonly called blue-green algae), with a coil-like shape. ...
Algae culture is a form of aquaculture involving the farming of species of algae for purposes of producing food or other products that can be extracted from the cultivated species. ... A seaweed (Laurencia) up close: the branches are multicellular and only about 1 mm thick. ... A pond is a body of water smaller than a lake. ...
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