- at midwater level
- Рыбоводство: вполводы
Универсальный англо-русский словарь. Академик.ру. 2011.
at midwater level
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Blackline rasbora — Taxobox name = Blackline rasbora status = LR/cd | status system = IUCN2.3 image width = 250px regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Cypriniformes familia = Cyprinidae genus = Rasbora species = R. borapetensis… … Wikipedia
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Bottom trawling — The Celtic Explorer, a research vessel engaged in bottom trawling … Wikipedia
perciform — ▪ fish order Introduction any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… … Universalium
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
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
Fish farming — Intensive koi aquaculture facility in Israel Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. A facility… … 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
Paris — /par is/; for 2 also Fr. /pann rddee /, n. 1. Matthew. See Matthew of Paris. 2. Ancient, Lutetia Parisiorum, Parisii /peuh riz ee uy /. a city in and the capital of France and capital of Ville de Paris Department, in the N part, on the Seine.… … Universalium
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
