(par 5.2.0) Carrying Capacity
http://en.wikipedia.org/wiki/Carrying_capacity From Wikipedia, the free encyclopedia The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water and other necessities available in the environment. In population biology, carrying capacity is defined as the environment’s maximal load,[1] which is different from the concept of population equilibrium. For the human […]
(par 5.2.0) Optimum population (from wikipedia)
http://en.wikipedia.org/wiki/Optimum_populationFrom Wikipedia, the free encyclopedia Optimum population refers to the size of a population that produces the best results according to chosen end targets. One text from 1926 presented a single end target as being “…the largest per capita income of consumers’ goods possible under the given conditions”.[1] Other potential end targets in favour of lower levels of population […]
(par 5.2.0) I=PAT (Impact of human activity on the environment) (from wikipedia)
http://en.wikipedia.org/wiki/I_%3D_PAT From Wikipedia, the free encyclopedia I = PAT is the lettering of a formula put forward to describe the impact of human activity on the environment. I = P × A × T In words: Human Impact (I) on the environment equals the product of P= Population, A= Affluence, T= Technology. This describes how our growing population, affluence, and technology contribute toward […]