Biological filtration

Biological filtration

These philtres make use of bacteria to break down wastes in the water into substances which are less toxic to the inhabitants, in a process known as the nitrogen cycle. Examples are under gravel filters, sponge filters, and trickle filters.

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Part of Speech: noun
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Industry/Domain: Fishing
Category: Fish farming
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Related terms

biological filtration

Fishing; Fish farming

These filters make use of bacteria to break down wastes in the water into substances which are less toxic to the inhabitants, in a process known as the nitrogen cycle. Examples ...

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Industrial machinery; Industrial lubricants

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Biology; Cell biology

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Biotechnology; Genetic engineering

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Environment; Environmental conservation

The mechanical process which removes particulate matter by separating water from solid material, usually by passing it through sand.

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Household appliances; Vacuum cleaners

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bycatch

Fishing; Fish farming

Bycatch (or by-catch) is the portion of a fishing catch caught unintentionally in a fishery, in addition to the targeted catch, and discarded as unwanted or commercially unusable.

fishery

Fishing; Fish farming

The industry or occupation devoted to the catching, processing, or selling of fish, shellfish, or other aquatic animals.

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Fishing; Fish farming

Fishing mortality rates that may provide acceptable protection against growth overfishing and/or recruitment overfishing for a particular stock. They are usually calculated from ...

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Fishing; Fish farming

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brackish

Fishing; Fish farming

Water that part-way between freshwater and marine. A number of species prefer partly-salty water.

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Fishing; Fish farming

Sometimes sold as sea monkeys, these shrimp grow to about 1/4 inch and are used as a live food for fish. They are easily hatched and their eggs may be stored dry for years.