Fish farming

Fish farming

Of, or pertaining to the artificial mass cultivation of fish

Industry: Fishing

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Fish farming

Aragonite

Fishing; Fish farming

The substance that makes up coral skeletons and coral sand. It's a form of CaCO3.

Spawning stock biomass pe recruit (SSB/R)

The expected lifetime contribution to the spawning stock biomass for a recruit of a specific age (e.g., per age 2 individual). For a given exploitation pattern, rate of growth, and natural mortality, ...

Sponge philtre

Fishing; Fish farming

This philtre 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 ...

Standardisation

Fishing; Fish farming

The procedure of maintaining methods and equipment as constant as possible. Without standardisation 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 ...

Sustainable yield

Fishing; Fish farming

The number or weight of fish in a stock that can be taken by fishing without reducing the stock biomass from year to year, assuming that environmental conditions remain the same.