Philtre

Philtre

Philtres are devices which clean the water. They come in three broad categories: mechanical, chemical, and biological. There are many different types of filters, such as...

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Part of Speech: noun
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Blossary:
Industry/Domain: Fishing
Category: Fish farming
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philtre

Language; Encyclopedias

The name given to certain concoctions of herbs, often deleterious and poisonous, supposed to secure for the person administering it the love of the person to whom it was ...

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.

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 ...

biological reference points

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 ...

biomass

Fishing; Fish farming

Measure of the quantity, usually by weight in pounds or metric tons (2,205 pounds = 1 metric ton), of a stock at a given time.

brackish

Fishing; Fish farming

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

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