Date post: | 24-Jun-2015 |
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Biodiversity
Professor X
What is Biodiversity?Different Species
Different Biomes Different Ecosystems
Types of Diversity
Genetic SpeciesEcosystem
How to Measure Biodiversity
Alpha Diversity Diversity within a particular area, community, or ecosystem
Measured By:Counting the number of species in an area
Comparing the number of species unique to each ecosystem
Multiplying the Alpha and Beta diversities in a region
Beta Diversity Species diversity between ecosystems
Gamma DiversityOverall diversity for different ecosystems within a region
Concerns
1/8 of all plant species are on the verge of extinction
140,000 species lost in one year
Threats
Habitat Destruction
Invasive Species
Pollution
Population
Overkill
Benefits
WaterOil
Rubber Oxygen
“Biodiversity boosts ecosystem productivity… [and] enables the ecosystem to prevent and recover from a variety of disasters.”
www.globalissues.org
Significance