Sentence examples for migration and mortality from inspiring English sources

All of these problems are compounded by the lack of comprehensive data on population size, nesting and foraging sites, migration and mortality.

The ONS says these projections, which are produced every two years, are not forecasts and are based on the most recent population figures and a set of underlying assumptions about fertility, migration and mortality.

An expected range of deviation from 100 should be accounted for by changes in the population such as migration and mortality.

Although particular types of life events in populations are often studied separately, this study investigated the joint effects of three major event types in South African women's lives: motherhood, migration and mortality.

At the second step, the working-age term in the second term of the right-hand side of Eq. 1 is decomposed further into changes due to the three components of the demographic balance at working ages: cohort turnover, migration, and mortality.

Information on movement, migration and mortality has been collected that would be difficult or impossible to collect by any other means.

To account for possibly non-constant trends in the relation between migration status and mortality, we preferred to run separate models for each period rather than to introduce interaction terms between migration status and period.

The relationships between migration background and mortality may therefore be assumed to be stable over time.

This is because period may have non-constant effect on mortality as well as on the relationship between migration status and mortality.

An HDSS starts with a baseline survey and then conducts a follow-up survey to gather health and demographic indicators (i.e. fertility, migration, morbidity, and mortality) (13).

The model presented achieves this by incorporating a spatially-explicit animal migration and road mortality model into an accepted optimal road alignment algorithm to propose low-cost roads that maintain the animal population above a minimum threshold by the end of a specified design horizon.