plankton trawl
1Plankton — For other uses, see Plankton (disambiguation). Photomontage of planktonic organisms Plankton (singular plankter) are any drifting organisms (plants …
2Continuous Plankton Recorder — The Continuous Plankton Recorder (CPR) survey is one of the longest running marine biological monitoring programmes in the world. Started in 1931 by Sir Alister Hardy, the CPR has provided marine scientists with their only measure of plankton… …
3Manta trawl — 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… …
4ring trawl — a coarse mesh plankton net used to collect fish larvae …
5agassiz trawl — ˈagə(ˌ)sē noun Usage: usually capitalized A Etymology: after Alexander Agassiz died 1910 American zoologist : a dredge that consists of a heavy rectangular iron frame to which is fitted the mouth of a bag of stout netting and that is used in… …
6commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …
7undersea 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… …
8Fisheries 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… …
9Valdivia-Expedition — Die Valdivia 1898 Die Valdivia Expedition war die erste groß angelegte deutsche Expedition zur Erforschung der Tiefsee. Ihr Initiator und wissenschaftlicher Leiter war der Zoologe Carl Chun. Das Forschungsschiff Valdivia, ein für die Expedition… …
10environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
