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LONG TERM & SHORT TERM ENVIRONMENTAL CHANGES. SHORT-TERM ENVIRONMENTAL CHANGE. Environmental change that occurs quickly and affects organisms immediately. SEASONS, differences in day and night. Warmer temperatures, rain and longer days helps plants begin growing in spring.

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short term environmental change
SHORT-TERMENVIRONMENTAL CHANGE

Environmental change that occurs quickly and affects organisms immediately

seasons differences in day and night
SEASONS, differences in day and night
  • Warmer temperatures, rain and longer days helps plants begin growing in spring.
  • Snails and birds know its time to lay eggs when days start getting longer.
floods
FLOODS

Soil already there so secondary succession to rebuild

hurricanes
HURRICANES

W hat kind of succession? Why?

slide7
FIRE

What kind of succession? Why?

drought
DROUGHT

What kind of succession? Why?

long term environmental change
LONG – TERM ENVIRONMENTAL CHANGE

Environmental change that occurs slowly over time and affects organisms over generations.

volcanic eruption
VOLCANIC ERUPTION

What kind of succession?

No soil so Primary Succession with a Pioneer Species to break

down rock into soil.

Lichens

slide18

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  • Very often the consequences for environmental change are not as drastic as extinction. Populations may be reduced in number, but rather than die out, they become endangered or threatened.
slide21

ENVIRONMENTAL CHANGES

Very often the consequences for environmental change are not as drastic as extinction. Populations may be reduced in number, but rather than die out, they become endangered or threatened.