Others argued that frogs and toads undergo natural population fluctuations.

Elton later applied these ideas of population fluctuations to animals.

The plant would be observed for population fluctuations and its reproduction process, as not much is known about it currently.

In addition, numbers vary widely between years due to the large population fluctuations.

One study was able to detect seasonal population fluctuations, the causes of which have not yet been deduced.

By re-connecting the fragments, the population fluctuations can decrease dramatically.

One main problem is that of the delayed effects of population fluctuation.

The budgetary decisions taken by the federal government has a severe impact on the population fluctuations in the southern parts of Florida.

It has been suggested that the seasonal population fluctuations may be taken advantage of.

The post office had disbanded by 1915 after significant population fluctuations.