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Coastal Ecosystems

Coastal Ecosystems imagery.
The Marlborough Sounds is a special place and to keep it that way the Council is improving how it monitors and manages the coastal environment. Good quality information on our coastal ecology is essential to understanding the effects of aquaculture, forestry and other land uses.
  • Sedimentation >

    When Captain Cook visited Marlborough’s east coast in 1770 he named Cloudy Bay for its discoloured waters caused by sediment from floods of the Wairau and Awatere Rivers.
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  • Sounds Water Quality >

    Council’s coastal monitoring programme provides essential information for good decisions on resource consents, future planning and protection for the Sounds.
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  • Hydrodynamic Models >

    Hydrodynamic models simulate how the tides and currents flush in and out of the Sounds, how nutrients come and go and the ecological effects of marine farming and land-uses.
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  • Significant Marine Sites >

    Marlborough District Council and the Department of Conservation have produced a report that identifies 129 significant sites that support rare or special features.
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  • Estuaries >

    Healthy estuaries are home to a wide range of birds, fish and aquatic invertebrates and they have an important role in processing run-off from different land uses in the surrounding area.
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  • Picton Bays >

    Picton Bays, which includes Picton Harbour, Waikawa and Shakespeare Bay, are an iconic part of Marlborough. Picton is the gateway to the Marlborough Sounds.
    More info

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Marlborough Coastal Sounds Advice Newsletter.
Image link to Cruise Guide.
Image link to e-plan - online resource management plan.