Dictionary of ichthyology. 2009.
acceptable biological catch — subjectively estimated amount of catch of a given species from a given region. The sustainable harvest used to set the upper limit of the range of potential annual total allowable catch. Also called allowable biological catch … Dictionary of ichthyology
ABC — allowable biological catch (a term used by a management agency which refers to the range of allowable catch for a species or species group. It is set each year by a scientific group created by the management agency and is the subjectively… … Dictionary of ichthyology
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
Overfishing — Atlantic cod stocks were severely overfished in the 1970s and 1980s, leading to their abrupt collapse in 1992 Overfishing … Wikipedia
environment — 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… … Universalium
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Cetacean bycatch — Group of Fraser s dolphins. Cetacean bycatch is the incidental capture of non target cetacean species by fisheries.[1] Species which are seriously affected by this include dolphins, porpoises, and … Wikipedia
Discards — Fisheries scientists sorting discards (mainly sprat, small herring and whiting) from targeted species (Nephrops norvegicus) in a trawl catch. Discards are the portion of a catch of fish which is not retained on board during commercial fishing… … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
