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Water quality: related PDFs

State and Trends of River Water Quality in the Manawatū-Whanganui Region

January 2020
This study analysed the available river water quality data in the Manawatū-Whanganui Region. The report describes the state of water quality...

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Solutions assessment for Regional Water Plan Change

January 2020
Environment Canterbury worked with the Waimakariri  zone committee over a number of years to develop a plan to manage water quality...

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Nitrogen allocation in the Hurunui catchment (Canterbury region) and its relevance for dryland farming

December 2018
This memo sets out the current state of nitrogen allocation in the Hurunui catchment in the Canterbury region.

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State and trends of river water quality in the Manawatū-Whanganui Region

December 2018
Analysis of river water quality state and trends for the Manawatū-Whanganui Region for the period up to 2017.

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Aggregating trend data for environmental reporting

December 2018
Methods for aggregating trend analyses performed on many sites to summarise broad-scale water quality changes.

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Water quality trend analysis functions for R

July 2018
The LWP-Trends library to undertake water quality trend analysis in the R statistical computing environment (updated 30 January 2020).

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Predictive modelling of current and natural loads of nutrient and estimation of anthropogenic increases

October 2017
Predictive modelling of current and natural loads of nutrient and estimation of anthropogenic increases

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Consideration of proposed fencing rules in New Zealand with respect to contaminant generation at the national scale

September 2017
Consideration of proposed fencing rules in New Zealand with respect to contaminant generation at the national scale

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Review of Waipaoa Catchment Plan Limits

May 2017
Review of Waipaoa Catchment Plan Limits

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Review of the Ruataniwha Water Storage Scheme Issue 12

April 2017
Review of the Ruataniwha Water Storage Scheme Issue 12

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