Battle for the Biosphere

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  • Battle for the Biosphere
    • Biomes and their distribution
      • What is a biome?
        • Large scale ecosystem
      • How are they distributed?
        • Tropical rainforest rich environment
        • desert found in tropics
        • temperate   deciduous    Forest found high altitudes
        • taiga (coniferous forest)
      • Biomes vary plant animals different processes the same
    • The influence of climate, altitude and soils on biomes
      • particular plants animals associated biomes cos variation
        • Temperature
        • Rainfall
        • Altitude
        • Geology and soils
      • If there is enough rainfall we find:
        • Tropical rainforest
        • Temperature  deciduous forest
        • Taiga
        • Tundra
      • How much falls when it falls controls whether biome will be:
        • Temperature rainforest
        • Grassland or desert
      • Altitude considered local factor cos controls both temp and rainfall
    • Biosphere service
      • regulation of climate
      • regulation of atmosphere gas
      • water regulation
      • water purification
      • soil formation and development
      • spiritual and religious effects
      • recreation and ecotourism
      • The carbon cycle
        • plants absorb Co2
        • plants use water growth transpire back atmosphere
        • vegetation regulates temperature
    • Goods from the biosphere
      • Food
        • few ppl depend directly on biosphere today
        • all we eat origin natural world
      • Medicine
        • if continue destroy plants animals species losing potential cure diseases
        • Quinine example of 'natural' medicine
      • Raw materials
        • face issues meeting energy needs in future
        • water supply threatened in global regions
    • Destroying the biosphere
      • Tar sands in Canada
        • forest must destroyed to get
      • Mountain-top removal in USA
        • Rivers water table degraded, as well fauna flora
      • Shrimp and prawn farmss in india
        • enviro changed cos shrimp farming
      • Palm oil in Malaysia
        • deforestation biodiversity decline occur land cleared to plant palm trees
      • Pt.2
        • Climate  change
          • Change weather patterns
          • changes in temperature
          • Changes in sea level
        • Impacts
          • Increased GG emissions
        • Effects on Biosphere
          • Less plankton
          • Migration of animals
          • Species stress and extinction
        • 3 main threats to biosphere
          • increased temp sea level
          • ACIDIFICATION due more Co2 absorbed by oceans
          • ANOXIA reduction of O2 in oceans
    • Biosphere conservation
      • Global
        • Ramsar Convention international treaty aim conserve wetlands
      • National
        • National parks preserve landscapes
      • Local
        • Biosphere Conservancy Mexico works local communal lands
    • Being sustainable at a local scale
      • SUSTAINABLE DEVELOPMENT  bring economic  enviro benefits
      • SUSTAINABLE MANAGEMENT
        • Conserve enviro 4 future generations
        • avoid bad practices  damage  ecosystem
        • education local people

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