A manta trawl is a net system for sampling the surface of the ocean. It resembles a manta ray, with metal wings and a broad mouth. The net it pulls is made of thin mesh, and the whole trawl is towed behind a scientific research vessel.[1] The manta trawl is useful for collecting samples from the surface of the ocean, such as sampling the plastic pieces making up the great Pacific garbage patch as well as the associated plankton.
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- ^ Moore, Charles."Trashed: across the Pacific Ocean, plastics, plastics, everywhere", Natural History, November, 2003
Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction