succession. primary succession the establishment and development of an ecosystem in an area that was...
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![Page 1: Succession. Primary Succession The establishment and development of an ecosystem in an area that was previously uninhabited Lichens and mosses Grasses](https://reader038.vdocuments.site/reader038/viewer/2022110116/55167b1a550346a25b8b4665/html5/thumbnails/1.jpg)
Succession
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Primary Succession
• The establishment and development of an ecosystem in an area that was previously uninhabited
Lichensand
mosses
GrassesAnd
small shrubs
Large shrubs and small trees
Large trees
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Surtsey: A Case Study• The island of Surtsey formed by volcanic
eruption off of the coast of Iceland during the period from 1963 - 1967
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Surtsey – Post Eruption
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Surtsey Today
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Secondary Succession
• The recovery of a damaged ecosystem in an area where the soil was left intact
Fireweed Sequoia seedling
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Case Study: Yellowstone National Park
1988 – Devastating forest fires burn much of Yellowstone National Park.
Photo: National Parks Service
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Yellowstone National
Park
1988 – Park mapshowing areas
(1.6 million acres)burned by theseries of fires.
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Yellowstone National Park
1988 fires – The immediate aftermath.
Photo: National Parks Service
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Yellowstone National
Park• One year after the
fires• Note the
appearance of fireweed
Photo: National Parks Service
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Yellowstone National Park
• Ten years after the fires (1998)
Photo: National Parks Service
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Yellowstone National Park
• Twenty years after the fires (2008)
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Case Study - Chernobyl
• In April, 1986, a nuclear power plant in the former USSR experienced a core meltdown and a catastrophic release of radioactivity into the environment.
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Chernobyl
• Surrounding towns and villages had to be immediately, permanently abandoned.
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Chernobyl – Twenty Years Later
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Chernobyl – Twenty Years Later
Pripyat town square.
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Chernobyl – Twenty Years Later
Pripyat Soccer Stadium opened in 1986.
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Chernobyl – Twenty Years Later
A local highway.