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Slide Notes

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Untitled Haiku Deck

Published on Mar 19, 2016

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PRESENTATION OUTLINE

KEYSTONE

  • A keystone species is a species
  • That has a disproportionally large effect.
  • Such species are described as playing a
  • Critical role in mainaining the structure
  • Of an ecological community.
Photo by satshot2010

WEB OVER CHAIN

  • Food webs show multiple pathways of
  • energy transfer and chain only shows
  • One pathway. Webs are more complex
  • Rather than food chain which makes them
  • More stable.
Photo by bikashdas

ECOSYSTEM/ BIODIVERSITY

  • While the keystone is under the least pressure
  • Of any of the stones in an arch, the arch still collapses
  • Without it. Ecosystem may experience a dramatic shift
  • If a keystone species is removed.
Photo by ecstaticist