Demographic methods across the tree of life
Demography is everywhere in our lives: from birth to death. Indeed, the universal currencies of survival, development, reproduction, and recruitment shape the performance of all species, from microbes to humans. The number of techniques for demographic data acquisition and analy…
"The most widely used measure of longevity is the period life expectancy at birth which is calculated from age specific death rates by life table methods. In 2002, John Bongaarts and Griffith Feeney introduced the revolutionary idea that this conventional estimate of period life…
The Economy and the Earth. Signs of stress; climate and water. Signs of stress: the biological base. The shape of the Eco-Economy. Building the solar/hydrogen Economy. designing a new materials Economy. Feeding everyone well. Protecting forest products and services. Redesigning …