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Population Ecology

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

POPULATION

ALL THE MEMBERS OF ONE SPECIES IN AN AREA
2.

POPULATION GROWTH

(NATALITY + IMMIGRATION) - (MORTALITY + EMIGRATION)
3.

EXPONENTIAL GROWTH

GROWTH WITHOUT LIMITING FACTORS
4.

DENSITY DEPENDENT LIMITING FACTORS

COMPETITION, DISEASE, PREDATION
Photo by bayucca (busy)
5.

DENSITY INDEPENDENT LIMITING FACTORS

NATURAL DISASTERS
Photo by arkhangellohim
6.

LOGISTIC GROWTH

GROWTH EXPERIENCED IN THE PRESENCE OF LIMITING FACTORS
7.

POPULATION DISPERSION PATTERNS

8.

AGE STRUCTURE PYRAMIDS

PREDICT POPULATION CHANGE IN THE FUTURE
9.

SURVIVORSHIP CURVES

PROVIDE CLUES TO REPRODUCTIVE STRATEGIES

Mr Graba

www.mrgraba.net