Changing household composition, labor patterns, and fertility in a highland New Guinea population

Demography, the study of the characteristics of populations, is central to ecology. The size, distribution, and other characteristics of populations are assumed to reflect, respond to, and have an impact on other living things and the nonorganic factors that comprise the environment. However, when we study human populations, as Johnson demonstrates in this study of a Highland New Guinea community on which excellent demographic records have been...