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Biodiversity and Sustainability

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Biodiversity and Sustainability Science 10 Ms. McGrath Biodiversity Let s think about it: What is bio ? What is diversity ? What is biodiversity ? – PowerPoint PPT presentation

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Title: Biodiversity and Sustainability


1
BiodiversityandSustainability
  • Science 10
  • Ms. McGrath

2
Biodiversity
  • Lets think about it
  • What is bio?
  • What is diversity?
  • What is biodiversity?

3
Biodiversity
  • the number and variety of life forms
  • found within a specific region, as well as
  • all the number and variety of
  • ecosystems within and beyond that
  • region

4
Biodiversity
  • Biologically diverse ecosystems
  • Healthy
  • Complex
  • Stable

5
Succession
  • Nature tends to increase diversity over
  • time.

6
Succession
7
Monoculture
  • Monoculture
  • the growing of one species of organism (ex a
  • lawn, a wheat field or corn field)
  • All of the species are identical
  • Few complex food webs
  • Disease can spread quickly
  • Often requires extensive use of pesticides and
    herbicides to stop nature from biodiversifying

8
Monoculture
9
Resilience
  • the ability of an ecosystem to remain
  • functional and stable in the presence of
  • disturbances to its parts
  • The greater diversity
  • More resilience to invasive species
  • More disease resistant
  • More plant cover

10
Resilience
11
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12
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