Humans and the Galapogas

1) Red Quinie tree introduced and out competes the Scalesie Trees

2) It chanes the cosystem through aggressive growth

3) Native Cacaotilla shrubs almost eradicated from Santa CRuz

4) The Galapogas Petrel lost nesting sites and numbers fell as a consequence

1) Goats introduced and out competed the giant tortoise for food

2) Changes the habitat from forest to grassland

3) destroyed tortoise nesting sites

4) Soil Erosion

1) Increase in fishing for exotic species and international demand for shark fins

2) whales and seal harvested to be sold internatinoally faster than they can reproduce

3) Reductions in Biodiversity

Increase in population size from 5000 to 28,000 by 2005

More Pollution and Buildings Demand for Oil Increase

Land needed for agriculture Oil Spill

Destruction and fragmentation of habitats

Scalesia trees and shrubs are eradicated on Santa Cruz and San Cristabal