Fish farming

Fish farming

Of, or pertaining to the artificial mass cultivation of fish

Contributors in Fish farming

Fish farming

The catch (in numbers) taken from a fish stock when it is in equilibrium with fishing of a given intensity, and (apart from the effects of environmental variation) its abundance is not changing from ...

Equlibrium yield

Fishing; Fish farming

The yield in weight taken from a fish stock when it is in equilibrium with fishing of a given intensity, and (apart from effects of environmental variation) its biomass is not changing from one year ...

Exploitation pattern

Fishing; Fish farming

The distribution of fishing mortality over the age composition of the fish population, determined by the type of fishing gear, area and seasonal distribution of fishing, and the growth and migration ...

Exploitation rate

Fishing; Fish farming

The proportion of a population at the beginning of a given time period that is caught during that time period (usually expressed on a yearly basis). For example, if 720,000 fish were caught during ...

External philtre

Fishing; Fish farming

Any philtre not kept inside the aquarium, but connected with hoses. Canister philtres are an example of these.

Philtre

Fishing; Fish farming

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...

Fishing effort

Fishing; Fish farming

1. The total fishing gear in use for a specified period of time. When two or more kinds of gear are used, they must be adjusted to some standard type. 2. Effective fishing effort.