Lecture 35 Flashcards Preview

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Flashcards in Lecture 35 Deck (7)
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1
Q

Species at risk for extinction because of global warming

A
  • cold loving species with range restrictions
  • coral reef species, temperature or acid sensitive ones
  • species that cannot quickly adjust their habitat range
2
Q

Value of Biodiversity

A
  1. Sources for agriculture & medicine
  2. Commercial Value
  3. Recreational value
  4. Self preservation & ecosystem services
  5. intrinsic value
3
Q

Commercial Value

A
  • ecotourism and money spent in natural areas

- natural resource harvesting

4
Q

Recreational Value

A
  • camping
  • fishing
  • hunting
  • nature programs
  • scientific studies
5
Q

Self Preservation and ecosystem services

A
  • air and water purification
  • detoxification of wastes
  • pollination of food crops
  • protection against harmful UV
6
Q

Intrinsic Value

A
  • value for own sake

- moral or basic right to exist

7
Q

Human Induced Extinction Causes

A
  1. Overexploitation
  2. Introduction of Exotic Species
  3. Loss of mutualists
  4. Global Warming and Climate change
  5. Habitat destruction and alteration