Unit 1: Threatened UK Habitats - The Norfolk Broads

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  • Threatened UK Habitats: Norfolk Broads
    • Key Features
      • Freshwater habitat
        • Unique fisheries, wildfowl, marsh birds, insects and plants
      • Has historical and landscape value
    • Distribution
      • Make up the largest wetland area in England
      • Norfolk and Suffolk, East Anglia
    • Threats
      • Eutrophication caused by phosphates and nitrates from sewage and fertilizer run-off
        • Decline of natural food webs
      • Copypu (S. American rodent) escaped from fur farms
        • Burrows have damaged banks and caused flooding
      • Litter, noise, fuel pollution + salt-water incursion
    • Conservation Measures
      • Sediment removal from Broads and rivers to remove phosphates
      • Copyu eradication
      • Speed limits for boats
      • Public education and path maintenance
    • Creation
      • Peat was dug from the ground for fuel, creating large pits
        • These flooded, providing a network of lakes (broads) and surrounding marshland


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