theory that builds upon Malthus’ thoughts on overpopulation. Takes into count two factors that Malthus did not: population growth in LDC’s, and outstripping of resources other than food
OVERPOPULATION
The # of people in an area exceeds the capacity of the environment to support life at a decent standard of living
POPULATION DENSITIES
A measurement of the number of people per givin unit of land
POPULATION DISTRIBUTIONS
Description of locations on the Earths surface where populations live
POPULATION EXPLOSION
The rapid growth of the worlds human population during the past century, attended by ever-shorter doubling-times and accelerating rates of increase
POPULATION PROJECTION
predicts the future population of an area or the world
POPULATION PYRAMID
A bar graph representing the distribution of population by age and sex
RATE OF NATURAL INCREASE
How much the population increses compared to natural decreses
S-CURVE
traces the cyclical movement upwards and downwards in a graph
SEX RATIO
The ratio of men to women
STANDARD OF LIVING
refers to the quality and quantity of goods and services available to people and the way they are distributed within a population
SUSTAINABILITY
providing the best outcomes for human and natural environments both in the present and for the future
UNDERPOPULATION
it is the opposition to overpopulation and refers to a sharp drop or decrease in a region’s population
ZERO POPULATION GROWTH
A decline of the total fertility rate to the point where the natural increse rate equals zero