"quantity of population" is correct and usable in written English.
You can use it when talking about the number of people living in a particular area or place. For example: "The quantity of population in the city has increased by 10% over the last year."
One was Aldous Huxley's older brother, Julian, who as vice president of the British Eugenics Society wrote in 1926: "Unless [civilised societies] invent and enforce adequate measures for regulating human reproduction, for controlling the quantity of population, and at least preventing the deterioration of quality of the radical stock, they are doomed to decay".
These kinds of rates are accurate in the early time of the outbreak of infectious diseases or the low quantity of population, and the dynamics properties are relatively simple.
For example, when the density of population living in one patch reaches one threshold, that is to say, when the quantity of population reaches the superior limit, intraspecific competition for limited resources increases, the population in this patch will move to another patch.
But as a matter of fact, the Russian economy under Putin is weak and ineffectual -- the quantity of population with the money income below the subsistence minimum is growing rapidly.
The aim of the ACCESS Laboratory Network was to describe characteristics and trends in chlamydia testing and diagnosis in public and private laboratories nationally, providing stakeholders with a large quantity of population data on testing frequency and outcomes, and demographics of people who undergo chlamydia testing in most states of Australia.
Indeed, the EST database used for in silico SNP detection included sequences from samples of various origins (Corsica, Spain and Aquitaine, see Table 1), leading probably to the detection of a small quantity of population-specific in silico SNPs.
However, we demonstrate that IL-2 accumulation by T cells scales as a power law with antigen quantity, independently of population size, providing a shared quantitative readout of the global antigen load.
and the rising age (especially among the higher educated) at which couples marry and have children, leads to lower birthrates (Ehrenfels 1907, 35 ff).. Monogamy, Ehrenfels argues, leads to a decrease both in quality as well as the quantity of the population (compare Dickinson 2002, 259), and hence a deficit in the workforce that can be compensated for only through immigration (Ehrenfels 1907, 43).
There's a certain quantity of the population who are inherently criminal, and all we can do is catch and detain them.
Another strength of our weighted LD methodology is that it has relatively low requirements on the quality and quantity of reference populations.
If we are to assess uncertainties of average performance of quantities of this population, it is essential that we have clarified its meaning.
