population ecology

Population

groups of individuals of the same species living in the same area.

Population Ecologist

study the dynamics and structure of population.

Population Structure

refers to the makeup of a population.

Population Structure Example.

age, (young or old), sex (male or female).

Instrinsic Growth Rate

the difference between the birth and death rate.

R

bith rate

What can r indicate?

if a population will increase, decrease, or remain the same.

Carrying Capacity

the number of individuals the environment can support.

Logistic Growth

s curved

Renewable sources

fish, wood.

Variance and The Standard deviation

indicate whether values are near the average (low variability) or far from the average (high variability).

Standard Deviation

is the square root of the variance.

Total Fertility

average # of children a woman would have.

Infant Mortality

annual # of deaths of infants under the age of 1.

Life expectancy

average of # of years of a new born infant can expect to live.

Doubling Time

the time it takes for the size of a population to double in size.