Fish farming

Fish farming

Of, or pertaining to the artificial mass cultivation of fish

Industry: Fishing

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Fish farming

sponge filter

Fishing; Fish farming

This filter provides both mechanical and biological filtration. It consists of a large foam rubber (sponge) block connected to a lift tube or small power head. Water is drawn through the sponge, ...

assessment level

Fishing; Fish farming

Categories of the level of complexity of, and data available for each assessment: index of abundance (INDEX), yield-per-recruit analysis (YIELD), analysis of the age structure of the catch (AGE ...

The procedure of maintaining methods and equipment as constant as possible. Without standardization one cannot determine whether measurements of yearly differences in relative abundance are caused by ...

availability

Fishing; Fish farming

1) The fraction of a fish population which lives in regions where it is susceptible to fishing during a given fishing season. This fraction receives recruits from or becomes mingled with the ...

status of exploitation

Fishing; Fish farming

An appraisal of exploitation is given for each stock discussed in the Species Synopsis section using the terms unknown, protected, not exploited, underexploited, moderately exploited, fully ...

ballast

Fishing; Fish farming

The electrical supply for some lights, such as fluorescents and metal halide bulbs. These are available in several varieties, such as tar, transformer, and electronic. They must be properly matched ...

stock

Fishing; Fish farming

A part of a fish population usually with a particular migration pattern, specific spawning grounds, and subject to a distinct fishery. A fish stock may be treated as a total or a spawning stock. ...