Ecology | PDF Report Categories

Trend assessment guidance including worked examples

May 2021
Guidance for the analysis of temporal trends in environmental data including and R code and data for worked examples.

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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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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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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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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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Definition of reference conditions for macroinvertebrate community index

March 2017
Definition of reference conditions for macroinvertebrate community index

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Current state and trends in water quality in New Zealand rivers paper

June 2016
Current state and trends in water quality in New Zealand rivers paper

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Current state and trends in water quality in New Zealand rivers

February 2016
National analysis of water quality state and trend in New Zealand rivers and lakes

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