decrease mortality rate

См. также в других словарях:

• Mortality rate — Crude death rate by country Mortality rate is a measure of the number of deaths (in general, or due to a specific cause) in a population, scaled to the size of that population, per unit time. Mortality rate is typically expressed in units of… …   Wikipedia

• mortality rate — 1) the rate at which the numbers in a population decrease with time due to various causes. The proportion of the total stock (in numbers) dying each year is the annual mortality rate. To facilitate calculations, mortality is expressed as an… …   Dictionary of ichthyology

• Mortality displacement — denotes a (forward) temporal shift in the rate of mortality in a given population, usually attributable to environmental phenomena such as heat waves or cold spells. During heat waves, for instance, there is usually an excess mortality rate in… …   Wikipedia

• mortality rates — are critical for determining the abundance of fish populations and the effects of harvesting strategies on yield and spawning potential from a stock. Fish abundance is a balance between the factors that act to increase the stock (births) and… …   Fisheries — dictionary

• mortality rates — are critical for determining the abundance of fish populations and the effects of harvesting strategies on yield and spawning potential from a stock. Fish abundance is a balance between the factors that act to increase the stock (births) and… …   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

• decrease — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ dramatic, drastic, great, large, marked, sharp, significant, substantial ▪ There has been a sharp decrease in pollution sinc …   Collocations dictionary

• mortality — noun ADJECTIVE ▪ high, low ▪ Poor hygiene led to high mortality among children. ▪ early, premature ▪ a condition that often results in premature mortality …   Collocations dictionary

• rate — {{Roman}}I.{{/Roman}} noun 1 speed/frequency ADJECTIVE ▪ constant, expected, regular, steady, unchanged ▪ slow ▪ the slow rate of change …   Collocations dictionary

• Infant mortality — World infant mortality rates in 2008[1] Infant mortality is defined as the number of infant deaths (one year of age or younger) per 1000 live births. Traditionally, the most common cause worldwide was dehydration from diarrhea. However, the… …   Wikipedia

• instantaneous rate of fishing mortality — used to describe 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. Z is the… …   Dictionary of ichthyology