# fishing rate

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**fishing coefficient**— rate of exploitation (the fraction, by number, of the fish in a population at a given time, which is caught and killed by man during the year immediately following (= FA/Z when fishing and mortality are concurrent). The term may also be applied… … Dictionary of ichthyology**fishing mortality**— A mathematical expression of the rate of deaths of fish due to fishing. Fishing mortality is often expressed as a rate that indicates the percentage of the population caught in a year; e.g. a fishing mortality rate of 0.2 implies that… … Fisheries — dictionary**rate of fishing**— instantaneous rate of fishing mortality (the decrease in numbers of fish over time when fishing and natural mortality act concurrently (Nt No * e^ Zt , where No is the initial number and Nt is the number of the remaining fish at the end of time t … Dictionary of ichthyology**Fishing techniques**— There is an intricate link between various fishing techniques and knowledge about the fish and their behavior including migration, foraging and habitat (Keegan 1986). All fish traps and methods of catching fish are based on this intimate… … Wikipedia**Fishing trawler**— For other types of trawlers, see Trawler (disambiguation). The Irish RSW tank trawler Brendelen[1] in Skagen harbour A fishing trawler (also called a dragger) is a commercial fishing vessel designed to operate fishing trawls. Traw … Wikipedia**rate of natural increase**— instantaneous rate of surplus production (equal to rate of growth plus rate of recruitment less rate of natural mortality all in terms of weight and on an instantaneous basis. In a balanced or equilibrium fishery, this increment replaces what is… … Dictionary of ichthyology**fishing mortality rate**— the fraction of an initial stock which would be caught during the year (or season) if no other causes of mortality operated. Usually expressed as an instantaneous rate (the percentage of fish dying at any one time) and can reach 2.0 or higher.… … Dictionary of ichthyology**fishing effort**— 1) the total fishing gear in use for a specified period of time, expressed as trap hauls for example; when two or more kinds of gear are used, they must be adjusted to some standard type before being added. Successful adjustment should make… … Dictionary of ichthyology**fishing mortality**— deaths or removal of fish from a population due to fishing. Usually expressed as the annual mortality, the percentage of fish dying in one year, or the instantaneous rate F, the percentage of fish dying at one time. F can range from 0 for no… … Dictionary of ichthyology**rate of removal**— An inexactly defined term that can mean either rate of exploitation or rate of fishing depending on the context … Fisheries — dictionary