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NOTE FRAMES - PowerPoint PPT Presentation


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NOTE FRAMES. An alternative method for taking notes. Handout has most of the information on it but is missing key phrases and/or terms. You must pay attention in order to fill in the blanks. TRY IT!!!. BIODIVERSITY and SUSTAINABILITY. Outline. What is biodiversity?

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note frames
NOTE FRAMES
  • An alternative method for taking notes.
  • Handout has most of the information on it but is missing key phrases and/or terms.
  • You must pay attention in order to fill in the blanks.
  • TRY IT!!!
outline
Outline
  • What is biodiversity?
  • What is sustainability?
  • How does biodiversity contribute to sustainability?
biodiversity
Biodiversity
  • The term “biodiversity” is a contraction of the phrase “biological diversity”.
  • Biodiversity means the richness and variety of life - of genes, species and ecosystems.
biodiversity1
Biodiversity
  • Biodiversity maintains the health of the earth and its people.
  • It provides us with food and medicine and contributes to our economy.
  • It tells us a lot about the health of the biosphere.
  • The greater the variety of species, the healthier the biosphere.
sustainability
Sustainability
  • The ability to maintain ecological processes over long periods of time.
  • Sustainability of an ecosystem is the ability of that ecosystem to maintain its structure and function over time in the face of external stress.
sustainability1
Sustainability
  • Is strongly linked to ecosystem health.
  • The more sustainable an ecosystem is, the healthier it is because it is able to “deal” with external stress better (i.e. limiting factors).
biodiversity and sustainability1
Biodiversity and Sustainability
  • The biodiversity of an ecosystem contributes to the sustainability of that ecosystem.
  • Higher/more biodiversity = more sustainable
  • Lower/less biodiversity = less sustainable
  • High biodiversity in an ecosystem means that there is a great variety of genes and species in that ecosystem.
slide10

Biodiversity and Sustainability

  • A great variety of genes and species means that the ecosystem is better able to carry out natural processes in the face of external stress.
  • Thus, the ecosystem is more sustainable.
biodiversity and sustainability2
Biodiversity and Sustainability
  • The more sustainable an ecosystem is, the better it is for the environment and for people.
  • People use ecosystems as sources of food, medicine and economy.
  • Thus, it is in everyone’s best interest to increase the sustainability of ecosystems.
  • How can we do this?
for example
For Example...
  • The greater the variety of genes and species of fish, plants and animals in the Lake Winnipeg ecosystem, the more biodiversity.
  • Higher biodiversity will increase the ecosystem’s sustainability
  • Why is this important?

Walleye

Whitefish

Northern pike

lake winnipeg
Lake Winnipeg
  • We rely on Lake Winnipeg’s ecosystem for many things:
    • fish for food and commercial use (revenue).
    • land and plants for food and revenue (agriculture).
    • nutrients from biogeochemical cycles.
    • water and landscape for tourism (beaches, etc.).