Le Bras Hervé. ? Fluctuations and Growth of Populations Subjects to a Constraint. Fluctuations in populations which are observed or forecast in some circumstances are generally caused by a constraint on the population. It is shown that such situations can almost always be described in terms of...

The long term The period of population projections rarely exceeds 20 years. There is, therefore, some confusion between projections and forecasts. In this case, there is no ambiguity. The time-span is 100 years (2075) which shows clearly that the concern is with analyzing long-term consequences...