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DISTURBANCES

DISTURBANCES. Natural Human. Definition. An event that will damage an ecosystem by harming or killing off living organisms. Natural. Triggered by environmental phenomena Examples: Storms (hurricanes, tornadoes, etc) Volcanic eruptions Forest fires Droughts Floods Frost/glaciers

  • species extinction
  • natural human
  • logging deforestation
  • human action
  • overuse
  • environmental phenomena
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DISTURBANCES

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  1. DISTURBANCES Natural Human

  2. Definition • An event that will damage an ecosystem by harming or killing off living organisms

  3. Natural • Triggered by environmental phenomena • Examples: • Storms (hurricanes, tornadoes, etc) • Volcanic eruptions • Forest fires • Droughts • Floods • Frost/glaciers • Heat waves • Landslides

  4. Human • Triggered by human action • Principal source of disturbances • Examples: • Logging/Deforestation • Oil spills • Mining • Eutrophication • Garbage waste • Overuse of CO2  Greenhouse effect • Air Pollution • Depletion of fisheries • Species extinction/overhunting

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