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LAWA
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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
Wellington region
West Coast region
Topics
Air Quality
Swimming
Estuaries
Groundwater Quality
Lakes
Land Cover
River Quality
Water Quantity
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Glossary Item
Erosion
The process of wearing away soil and land surfaces by the actions of water, wind, or ice.
