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1.12 Natural Phenomena and Ecosystems

1.12 Natural Phenomena and Ecosystems . (Sec 5.1 pg 107-112 ) VIDEO (Crash Course – Succession) http://www.youtube.com/watch?v=jZKIHe2LDP8&feature=c4-overview-vl&list=PL8dPuuaLjXtNdTKZkV_GiIYXpV9w4WxbX.

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1.12 Natural Phenomena and Ecosystems

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  1. 1.12 Natural Phenomena and Ecosystems (Sec 5.1 pg 107-112) VIDEO (Crash Course – Succession) http://www.youtube.com/watch?v=jZKIHe2LDP8&feature=c4-overview-vl&list=PL8dPuuaLjXtNdTKZkV_GiIYXpV9w4WxbX

  2. Natural events are not caused by humans. They include things like volcanoes, floods, storms, etc. • Natural events can have a range of impact on ecosystems – from minor to huge.

  3. Recovery can be immediate, or take decades or centuries (full cycle of secondary succession)

  4. Natural phenomena can have positive AND negative effects on ecosystems • Weather-related phenomena = when a change in the climate causes a change in the species that survive (warmer winters, hotter summers, etc); or when extreme weather events have major impacts on ecosystems. • SEE TABLE 1 P.109 (and understand it!)

  5. Natural phenomena can have positive AND negative effects on ecosystems • Geological-related phenomena = when geological activity in Earth’s crust impacts ecosystems (e.g. volcanoes, earthquake, etc.) • SEE TABLE 2 P.111 (understand it!)

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