“population size”造句，怎麼用population size造句

promotion of family planning to control the population size and improve the health of the people

Secondly, the use of demographic analysis modeling to predict the next decade, demographic changes, including population size, number of households, family size and family type.

Now we know exactly where the penguins are, the next step will be to count each colony so we can get a much better picture of population size.

Its population size is believed to be declining because of the impact of human and the loss, fragmentation, degradation of habitats during recent years.

Some technical measures were used in the breed control of Hequ horse, such matters as defining conservation region, determining effective population size and having a right foundation herd etc.

If you are referring to population size, however, that is the size of a small city.

Effective population size and breeders selection manners affect the effect of breeds conservation.

The rapid “postshock” bounce of the population growth rate in the late 17th century was related to the dramatically reduced population size and the coupled increase of food supply per capita.

We can make little progress in working toward optimum population size until we explicitly exorcize the spirit of Adam Smith in the field of practical demography.

For reasons of mathematical purity, they all assumed an infinite population size.

A shortage of food resources in populated areas increases the likelihood of armed conflicts, famines, and epidemics, events that thus reduce population size.

Based on analysis of population size class structure, the trend of population density of Schima superba changing with individual DBH was similar to skew normal distribution.

But this was largely a reflection of population size.