The benthic grab

When scientists want to sample the organisms that live on or just below the surface of the ocean floor (the benthos) they commonly use a Benthic Grab to collect a portion of the ocean floor. Benthic Grabs can take a bite out of the benthos. Various sizes and approaches work with different organisms and sediment types. The aim is to bring to the surface a complete sample of both the sediment and the organisms found there.
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mlc1us picture
@ 2012-07-24 15:25:49