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POPULATION ECOLOGY
[object Object],Population:  all the individuals of a species that live together in an area Demography:  the statistical study of populations, make predictions about how a population will change
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],1. Size: number of individuals in an    area
[object Object],[object Object],[object Object],[object Object],[object Object],RATE OF GROWTH & AGE DISTRIBUTION
PRE-REPRODUCTIVE REPRODUCTIVE POST-REPRODUCTIVE
Population of a Stable Country   
THREE TYPES OF POPULATIONS
Which is growing faster?  You decide!
[object Object],2. Density: measurement of population per unit area or unit volume Pop. Density = # of individuals  ÷ unit of space
 
[object Object],[object Object],4 Factors that affect density
4 Factors that affect density ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],4 Factors that affect density
Immigration Emigration Births Deaths Population Change + + - - Factors That Affect Future Population Growth
[object Object],[object Object],[object Object],[object Object],[object Object]
clumped even (uniform) random THREE TYPES OF DISPERSION
Population Dispersion
OTHER FACTORS THAT AFFECT POPULATION GROWTH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
OTHER FACTORS THAT AFFECT POPULATION GROWTH ,[object Object],[object Object]
[object Object],Carrying Capacity (k) Nu m b e r Time J-shaped curve (exponential growth) S-shaped curve (logistic growth)
 
CARRYING CAPACITY --------------------------------------------------  CARRYING CAPACITY
2 Life History Patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
2 Life History Patterns ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HUMAN POPULATION THROUGH THE AGES
HUMAN POPULATION THROUGH THE AGES
Human Population Growth

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Population ecology 2011

Notas del editor

  1. .
  2. Although several species may share a habitat they each have their own niche. A niche is a very narrow range where a species fits within a habitat.
  3. Although several species may share a habitat they each have their own niche. A niche is a very narrow range where a species fits within a habitat.
  4. Although several species may share a habitat they each have their own niche. A niche is a very narrow range where a species fits within a habitat.
  5. Although several species may share a habitat they each have their own niche. A niche is a very narrow range where a species fits within a habitat.
  6. Ok so