The population pyramid displays the population composition in ... If there are more children than elderly people, the chart will have the shape of a true pyramid. Take 1950, for example. Here, the ...

The course is divided into three units. The first unit covers the premodern era, assessing the role of epidemics, famine, marriage patterns and fertility control on population dynamics. The second ...

Predictions of future population size often assume population structures are stable. Are we missing the boat if we ignore the occurrence of unstable or transient dynamics? Agricultural crops are ...