Sentence examples for by changes in fertility from inspiring English sources
We find no evidence that these estimates are driven by changes in fertility or selection into live births.
Trends in breast cancer incidence may also have been affected by changes in fertility patterns (Laudico et al, 2009).
We analysed recent time trends in the incidence and mortality of these cancers in England and Wales and assessed whether they can be explained by changes in fertility and oral contraceptive use.
Although it has been repeatedly shown that Plasmodium reduces egg production in Anopheles mosquitoes [ 15- 17] including the Keele population from which the refractory and highly susceptible genotypes were selected by Hurd et al. [ 13], our sensitivity and elasticity analyses show that λ is minimally affected by changes in fertility.
Timing has always had an important influence on quantum, which is largely a measurement issue, since some of the measures that are used to study the quantum of fertility are not exclusively affected by changes in the timing of fertility.
In contrast to selection mediated by early survival, variation in the linear selection gradients were less explained by variance in fertility than by time alone (3% versus 8% and 2% versus 11%), indicating that temporal linear trends in the selection gradients were not accounted for by changes in the variance in relative fertility alone.
Changes in fertility will not affect it much.
Changes in fertility make long-term projections tricky, but the UN reckons that by 2100 the planet's population will be rising past 10.9 billion, and be much older.
