Sub Layers:
Name: Estuaries
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Description: Indicators of ecosystem health are monitored nationwide to assess the state and trend in estuarine and coastal water quality. The indicators are: chlorophyll-a, visual clarity, dissolved oxygen, dissolved reactive phosphorus, Enterococci, faecal coliforms, ammoniacal nitrogen, nitrate-nitrite nitrogen, suspended solids, total phosphorus, total nitrogen and turbidity.
Water quality state is the median value in milligrams per litre for 2013–2017. Water quality trend is the change in each variable (2008–2017) and stated as ‘improving’, ‘worsening’ or ‘indeterminate’.
Copyright Text: Source: Local and regional councils. Managed by Stats NZ and Ministry for the Environment.
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