What is biodiversity? The variety of living things in a place Worldwide: 2 - 30 million species • 900,000 insect species • 400,000 plant species • 10,000 bird species 20-30 plant species per m 2 in North American grasslands Where is Biodiversity? More tree species in 50 hectares than in all of North America in the Amazon
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What is biodiversity? The variety of living things in a place Worldwide: 2 - 30 million species 900,000 insect species 400,000 plant species 10,000 bird.
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What is biodiversity?
The variety of living things in a place
Worldwide: 2 - 30 million species• 900,000 insect species• 400,000 plant species• 10,000 bird species
20-30 plant species per m2 in North American grasslands
Where is Biodiversity?
More tree species in 50 hectares than in all of North America in the Amazon
Exploring Biodiversity: Bugs Galore!
• Kingdom
• Phylum
• Class
• Order
• Family
• Genus
• Species
Animalia
Chordata
Mammalia
Primate
Hominidae
Homo
Homo sapiens
Is Biodiversity constant?
Worldwide: Biodiversity “Hotspots”
Is Biodiversity constant?
Worldwide: Biodiversity “Hotspots”
Regionally: Land Use Differences
“Latitudinal Diversity Gradient”
Is Biodiversity constant?
Biodiversity is declining!
30% of species extinct by 2050
Worldwide: Biodiversity “Hotspots”
Regionally: Land Use Differences
“Latitudinal Diversity Gradient”
Habitat destruction
70%
30%
Species Living in 2000
Extant
Extinct
HIPPO• habitat destruction• invasive species • pollution• human over population • over-harvesting