Abundance index

Abundance index

Information obtained from samples or observations and used as a measure of the weight or number of fish which make up a stock.

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

abundance index

Fishing; Marine fishery

A relative measure of the weight or number of fish in a stock, a segment of the stock (e.g. the spawners), or an area. Often available in time series, the information is ...

abundance index

Fishing; Fish farming

Information obtained from samples or observations and used as a measure of the weight or number of fish which make up a stock.

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Retail; Supermarkets

An alphabetical list of products and prices handled by a wholesaler.

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Banking; Investment banking

Indicator which can be used to compare the value or level of a statistic with its value or level at an earlier point in time, accounting for changes due to factors such as price ...

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Art history; Visual arts

In semiotics, a sign whose meaning derives from the connection of one thing with another through a cause and effect relationship, such as footprints being the index of a certain ...

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Anthropology; Cultural anthropology

A spirit-bubble leveling device on the vertical circle of major surveying instruments.

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 ...