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Les algues ont été emprisonnées dans le filet puis, par un rinçage du filet, transférées dans des pots collecteurs. De retour au laboratoire, les scientifiques se sont servis d'un microscope pour identifier, compter, mesurer et photographier les spécimens.
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During three summers of research, samples were taken every two weeks from 20 sites that were located between Smiths Falls and the Rideau Falls. Samples were also taken irregularly from 54 additional sites. Phycologists (scientists who study algae) collected algae by towing a very fine meshed net through the water behind a boat. The algae were captured in the net, and then they were rinsed off the mesh into collecting jars. Back at the laboratory, scientists used a microscope to identify, count, measure and photograph the specimens.
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