Ecosystems

• Ecosystem: a community of living and non-living environment
• Natural factors changing the ecosystem: drought, flood, fire, disease
• Human management changing to ecosystem: fish stocking, changing pH of water, altering nutrient levels of water (eutrophication)
• Distribution of global ecosystems

  A) taiga

  B) savanna grassland

  C) deciduous

  
• Different Ecosystems

  A) Equator

  B) North Pole

  
• Sand dune locations: north and south Wales
• Development of sand dune requires:

  • plenty of sand
  • strong winds to transport sand particles via saltation
  • obstacle to trap sand e.g plants
• Impacts of human activity in sand dunes:

  • attractive for leisure walking
  • farmers use dunes for grazing animals
  • sand often removed for building purposes
  • coastal management relies to supply of sand so dunes can't form
• Growth of tourism factors:

  -leisure time - increase in paid leave days

  -greater awareness

  -increased life expectancy - older people travelling

  -package holidays

  -internet - research destinations and make arrangements
• Ecotourism lets ecotourists:

  • protect the environment
  • support local communities
  • recycle
  • use and buy from the locals
  • respect local customs and traditions
• Short-haul travel: places within 3hr by flight
• Short-haul travel: London

  • London Eye
  • Big Ben
  • Buckingham Palace
  • and other London landmarks
• Long-haul travel: Traveling long distances, often overseas
• benefits of tourism:

  • improved living standards for locals
  • safari parks protect animals
  • locals can make money
• disadvantages of tourism:

  • jobs can be low paid and temporary
  • traditional ways lost to make a living