Marine fishery

Marine fishery

The study and management of living marine resources and their habitat for the sustainable use of those resources and continued productivity, abundance.

Industry: Fishing

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Marine fishery

total mortality (Z)

Fishing; Marine fishery

1. A measurement of the rate of removal of fish from a population by both fishing and natural causes. Total mortality can be reported as either annual or instantaneous. Annual mortality is the ...

vessel monitoring system (VMS)

A satellite communications system used to monitor fishing activities-for example, to ensure that vessels stay out of prohibited areas. The system is based on electronic devices (transceivers), which ...

least squares

Fishing; Marine fishery

A statistical criterion for the estimation of the goodness of fit in correlation analysis. Least squares methods aim to minimize the sum of squared differences between the observations and the ...

multiplier

Fishing; Marine fishery

A number used to multiply a dollar amount to get an estimate of economic impact. It is a way of identifying impacts beyond the original expenditure. It can also be used with respect to income and ...

trolling

Fishing; Marine fishery

A surface and subsurface fishing method in which lines with baits or lures are dragged by a vessel at a speed of 2-10 knots. Trolling is used to catch tuna and tuna-like fish.

transaction costs

Fishing; Marine fishery

1. In the context of a market exchange of goods and services, transaction costs include the costs of time, effort, and other resources necessary to search out, negotiate, and consummate an exchange. ...