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Published byBenjamin Skinner Modified over 9 years ago
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{ Biodiversity Components and Benefits
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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
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The number and abundance of species present in different communities Species Diversity
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The variety of genetic material within a species or population Genetic Diversity
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The variety of ecosystems found on an area or on earth Ecological Diversity
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The biological and chemical processes such as energy flow and matter recycling needed for the survival of living things. Functional Diversity
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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?
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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
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Ecosystem Services Ecosystem Function Food Security Drugs and Medicine Tourism and Recreation Keeping in Touch With Nature Benefits of Biodiversity
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Service that nature provides humans/ecosystems Clean air from plants Ecosystem Services
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Increased biodiversity means more stability and better chance at bouncing back Keystone species: take it away, ecosystem fumbles Ecosystem Function
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Increased biodiversity (of crops) means more stable (disease resistant, tougher) Is this better for the future? Seed banks Food Security
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Lots of drugs come from plants and other organisms (mostly the rainforest) other organisms (mostly the rainforest) Aspirin Drugs and Medicine
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Ecotourism (should have a balance between money and ecosystem) Great Barrier Reef Costa Rica Fishing/Hunting Tourism and Recreation
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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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Closer to the mainland, increased biodiversity biodiversity Bigger island, increased biodiversity Habitat fragmentation: The disruption of an organisms environment Island Biogeography
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