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instantaneous rates
(english) In fishery biology, instantaneous rates are used to describe the decrease in numbers of fish over time as 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. Z is the instantaneous total mortality rate, usually composed of M + F, where M is the natural mortality rate and F is the mortality rate caused by the fishery.. (See also: natural mortality)
taux instantanés
(french) En biologie des pêches, les taux instantanés sont un indice de la baisse en nombre de poissons en fonction du temps comme Nt = No * e^-Zt où No est le nombre initial et Nt le nombre de poisson restant à la fin du temps t. Z est le taux de mortalité totale instantanée, habituellement composé de M + F où M est le taux de mortalité naturelle et F est le taux de mortalité due à la pêche. (See also: natural mortality)
taxas instantâneas
(portuguese) Na biologia pesqueira, as taxas instantâneas são usadas para descrever o decréscimo do número de peixes no tempo, como Nt = No * e^-Zt , onde N é o número inicial e Nt é o número dos peixes remanescentes ao fim do tempo t. Z é a taxa instantânea total da mortalidade, usualmente composta por M + F, onde M é a taxa de mortalidade natural e F é a taxa de mortalidade causada por pesca. (See also: natural mortality)

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