midwater drift
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undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… … Universalium
Bottom trawling — The Celtic Explorer, a research vessel engaged in bottom trawling … Wikipedia
Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… … Wikipedia
net — net1 nettable, adj. netlike, adj. /net/, n., v., netted, netting. n. 1. a bag or other contrivance of strong thread or cord worked into an open, meshed fabric, for catching fish, birds, or other animals: a butterfly net. 2. a piece of meshed… … Universalium
NET — National Educational Television. * * * ▪ mesh an open fabric of thread, cord, or wire, the intersections of which are looped or knotted so as to form a mesh. Nets are primarily used for fishing. The early stages in the manufacture and … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Great Pacific Garbage Patch — Garbage Island redirects here. For the episode of How I Met Your Mother, see Garbage Island (How I Met Your Mother). The Garbage Patch is located within the North Pacific Gyre, one of the five major oceanic gyres. The Great Pacific Garbage Patch … Wikipedia
Deep sea — zones For the IMAX film, see Deep Sea 3D. The deep sea, or deep layer[1], is the lowest layer in the ocean, existing below the thermocline and above the seabed, at a depth of 1000 fathoms … Wikipedia
Mariculture — Fish cages containing salmon in Loch Ailort, Scotland. Mariculture is a specialized branch of aquaculture involving the cultivation of marine organisms for food and other products in the open ocean, an enclosed section of the ocean, or in tanks,… … Wikipedia
Remotely operated underwater vehicle — Remotely operated vehicle redirects here. For vehicles operating out of water, see remote control vehicle. ROV at work in an underwater oil and gas field. The ROV is operating a subsea torque tool (wrench) on a valve on the subsea structure. A… … Wikipedia