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Regions
Auckland region
Bay of Plenty region
Canterbury region
Gisborne region
Hawke's Bay region
Manawatū-Whanganui region
Marlborough region
Nelson region
Northland region
Otago region
Southland region
Taranaki region
Tasman region
Waikato region
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Topics
Air Quality
Swimming
Estuaries
Groundwater Quality
Lakes
Land Cover
River Quality
Water Quantity
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Glossary Item
Sedimentation
Settling or depositing of
sediment
onto the bottom of waterways.
