4.2.1- The value and distribution of ecosystems.

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  • 4.2.1- The value and distribution of ecosystems.
    • ECOSYSTEM- An Ecosystem is a community of plants and animals, with non-living factors of the environment.
      • BIOTIC- Living.
      • ABIOTIC- Non living.
    • There are two types of ecosystem: Terrestrial and Aquatic.
      • Terrestial
        • Temperate Grasslands.
        • Desert.
        • Deciduous Forest
        • Savannah.
        • Coniferous Forest
        • Tropical Rainforest.
        • Tundra
      • Aquatic
        • Shallow ocean waters.
        • Deep ocean water.
        • Deep ocean surface.
    • Terrestrial.
      • The location is also dependant on the amount of Precipitation created.
      • Dependant on the location and latitude of the location
      • Tundra- Cold and Dry Ecosystem.
      • Grasslands- Flat areas dominated by Grasses.
      • Tropical Rainforest- Warm and wet area.
      • Deserts- Dry and hot. High temperature during the day. Low at night.
    • Aquatic.
      • Coral Reef- Warm Sea, near the equator.
      • Open Ocean- Whales, Sharks etc.
      • Shoreline- Where sea and land meet.
      • Flowing water- Rivers and streams.
      • Standing water- Water that doesn't move. Lakes and Wetlands.
    • The value of Ecosystems as providers of goods and services.
      • Provisioning services- Supply the goods themselves, Timber, food, water.
      • Regulating services- Govern climate and rainfall e.g. flooding.
      • Cultural services- Beauty and recreation that contribute to our spiritual welfare.
      • Supporting services- Soil formation and nutrient cycling which underpin growth and production.
      • Example-CORAL REEF- Tourism, Food and Fishing, Coastal protection, Medicine, Home and Nursery for 25% of all marine life.

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