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Biodiversity hotspots

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  • 1. Biodiversity Hotspots “The most remarkable places on Earth are also the most threatened.” By B Shravani
  • 2. Definition • Contain at least 1,500 species of vascular plants • Has lost at least 70 percent of its original habitat.
  • 3. Causes • Unsustainable Consumption in northern countries • Extreme poverty in Tropics
  • 4. Biodiversity Hot-Spots The hots pots repres ent an opportunityto help cons erve the divers ity of life on earth
  • 5. The List • These 34 hot spots account for 2.3% of the Earth’s land area, yet over 50% of Earth’s plants and 40% of its land vertebrates.
  • 6. The List (cont.) • North and Central America • California Floristic Province • Caribbean Islands • Madrean Pine-Oak Woodlands • Mesoamerica
  • 7. The List (cont.) • South America • Atlantic Forest • Cerrado • Chilean Winter Rainfall-Valdivi • Tumbes-Chocó-Magdalena • Tropical Andes
  • 8. The List (cont.) • Africa • Cape Floristic Region • Coastal Forests of Eastern Africa • Eastern Afromontane • Guinean Forests of West Africa • Horn of Africa • Madagascar and the Indian Ocean Islands • Maputaland-Pondoland-Albany • Succulent Karoo
  • 9. A Few Helpful Definitions• Unique - Applying exclusively to an area.• Endemic - Native to a certain region.• Keystone species - central supporting element of a whole ecosystem; removal may have far reaching consequences.• Terrestrial – On land.