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One important renewable resource is biodiversity: The different life forms and life sustaining processes
Biodiversity has four main components
Species Diversity Genetic Diversity Ecological Diversity Functional Diversity
Biodiversity
The biological and chemical processes such as energy flow and matter recycling needed for the survival of living things.
Functional Diversity
Biodiversity provides us with:Natural Resources (food water, wood, energy, and medicines)
Natural Services (air and water purification, soil fertility, waste disposal, pest control)
Aesthetic pleasure
Why Should We Care About Biodiversity?
Fossil Evidence, chemical analysis, Ice Core samples, and DNA analysis demonstrate that the biodiversity today is different from the biodiversity in the past
Biodiversity of the Past
Figure 4-4
Ecosystem Services Ecosystem Function Food Security Drugs and Medicine Tourism and Recreation Keeping in Touch With Nature
Benefits of Biodiversity
Increased biodiversity means more stability and better chance at bouncing back
Keystone species: take it away, ecosystem fumbles
Ecosystem Function
Increased biodiversity (of crops) means more stable (disease resistant, tougher)
Is this better for the future? Seed banks
Food Security
Lots of drugs come from plants and other organisms (mostly the rainforest)
Aspirin
Drugs and Medicine
Ecotourism (should have a balance between money and ecosystem)
Great Barrier Reef Costa Rica Fishing/Hunting
Tourism and Recreation
Biophilia: the need to connect with nature
Outdoor activities People “need” this Nature-deficit
disorder Children/people are spending less and less
time outdoors
Keeping in touch with Nature
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