Based on this figure of a sensitivity analysis: growth rate (X) 2 1- 0 Response to 10% increase in vital rates adult current juvenile adult population survival survival reproduction Would a 10% increase in adult reproduction save the population from a decline?
Sensitivity analysis is a technique used to determine how the output of a model or system changes when the input values are changed. In other words, it is a way of measuring how sensitive the output is to changes in the input.
Vital rates are measures of the frequency of vital events in a population, such as births, deaths, marriages, and divorces. They are typically expressed as the number of events per 1,000 people in a population per year.
There are two main categories of vital rates:
Crude rates: Crude rates measure vital events in the general population without taking into account any demographic characteristics, such as age, sex, or marital status. Examples of crude rates include the crude birth rate (CBR), the crude death rate (CDR), and the crude rate of natural increase (CRNI).
Refined rates: Refined rates measure vital events in specific demographic subgroups. Examples of refined rates include the age-specific birth rate (ASBR), the age-specific death rate (ASDR), and the infant mortality rate (IMR).
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