1 Terms
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Fish farming
Of, or pertaining to the artificial mass cultivation of fish
Industry: Fishing
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Fish farming
actinic lights
Fishing; Fish farming
Actinics are a type of fluorescent light that is very blue. This is the color of light that is most useful to the chlorophyll in marine life, and is the color of the sea below 10 meters.
recruitment
Fishing; Fish farming
The amount of fish added to the exploitable stock each year due to growth and/or migration into the fishing area. For example, the number of fish that grow to become vulnerable to the fishing gear in ...
activated carbon
Fishing; Fish farming
This is carbon, looking like crumbled charcoal. It can absorb many compounds out of the water, and is especially good at removing yellowing compounds to keep the water clear. Carbon must be changed ...
recruitment curve, reproduction curve
Fishing; Fish farming
A graph of the progeny of a spawning at the time they reach a specified age (for example, the age at which half of the brood has become vulnerable to fishing), plotted against the abundance of the ...
age
Fishing; Fish farming
The number of years of life completed, here indicated by an arabic numeral, followed by a plus sign if there is any possibility of ambiguity (age 5, age 5+).
recruitment overfishing
Fishing; Fish farming
The rate of fishing above which the recruitment to the exploitable stock becomes significantly reduced. This is characterized by a greatly reduced spawning stock, a decreasing proportion of older ...
air pump
Fishing; Fish farming
A pump which supplies air for lift tubes, skimmers, bubblers, etc. The most common type are diaphragm pumps, though cylinder pumps are available for large installations.
