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Freshwater quality

Reports to assist the development of the Gisborne Freshwater Plan.

Waipaoa River Catchment Modelling, Gisborne District Council and Horticulture NZ source modelling report - August 2016

Jacobs
This report outlines the development and testing of the nitrogen and phosphorus nutrient model developed for the Waipaoa and Taruheru Rivers.  It includes modelling the impact of two different land use intensification scenarios and reports the results of these.
Waipaoa River Catchment source modelling report [PDF, 3.9 MB] 

Summer bio-monitoring survey for the Waipaoa and associated river catchments February 2015

Murray Palmer (Nga Mahi Te Taiao)
This report outlines the results of the summer survey in the Waipaoa and associated catchments (Waikanae, Taruheru) in terms of periphyton, macrophytes, macroinvertebrates and overall physical habitat.
Summer biomonitoring survey for the Waipaoa and associated river catchments [PDF, 3.5 MB]

Winter biomonitoring survey for the Waipaoa River and associated catchments - September 2014

Murray Palmer (Nga Mahi Te Taiao)
This report contains information from 14 freshwater sites in the Waipaoa and associated catchments (Waikanae, Taruheru) in terms of periphyton, macrophytes, macroinvertebrates, overall physical habitat, and specified physico-chemical parameters.
Winter biomonitoring survey for the Waipaoa River and associated catchments [PDF, 4.8 MB]

Land management practices and nutrient losses from farms on the Poverty Bay Flats - August 2014

R Gentile, S Green, K Mason, C van den Dijssel, P Johnstone, B Clothier (Plant and Food Research)
Report to gain better understanding of the impact of land management practices on the nutrient losses from farms on the Poverty Bay Flats.
Note this document is subject to copyright
Land management practices and nutrient losses from farms on the Poverty Bay Flats (2mb 78 pages)

Freshwater quality monitoring in the Gisborne district, stock-take, review, and recommendations - April 2014

Michelle Greenwood and Martin Unwin (NIWA)
Report to assess how representative the monitoring site locations were of the greater Gisborne Region and to provide advice prioritising a list of environmental parameters to monitor in light of current and likely future attributes in the National Objectives Framework (NOF).
Note this document is subject to copyright
Freshwater Quality Monitoring in the Gisborne District, Stock-take, review, and recommendations (1.3mb 63 pages)

Advice on characterisation of groundwater and surface water in the Poverty Bay Flats - June 2014

PA White, K Bekele and C Tschritter (GNS)
This report provides advice and recommendations that aim to improve characterisation of the Poverty Bay flats groundwater and surface water system, to support future development of Gisborne District Council's (GDC) water management policies.
Advice on characterisation of groundwater and surface water in the Poverty Bay flats to support policy development by GDC (3mb, 35 pages)

Recommendations for water quality monitoring of a new dairying area Upper Motu Catchment - November 09

Deborah J. Ballantine, Rob J. Davies-Colley (NIWA)
This report outlines a suitable monitoring network for the Upper Motu catchment. Monitoring programme should focus on fine sediment, forms of nitrogen and phosphorus and the faecal indicator E.coli.
Please note this document is subject to copyright 
Recommendations for water quality monitoring of a new dairying area Upper Motu Catchment (1.5mb 41 pages)

Sedimentation history of Waipaoa catchment - September 2011

Mike Marden (Landcare Research)
Review of the pre and post human settlements erosion and sedimentation rates in Waipaoa catchment.
Sedimentation history of Waipaoa catchment (3.67mb 58 pages)

Biological monitoring of rivers in Gisborne district - benefits, costs and recommendations - December 2012

Richard Storey (NIWA)
Benefits of monitoring the 4 main groups of riverine biota plus physical habitat quality in addition to physico-chemical water quality. It outlines the context for monitoring the ecological health of rivers, describes the practicalities and costs of a biological monitoring programme and makes recommendations for beginning a biomonitoring programme.
Please note this document is subject to copyright 
Biological monitoring of rivers in Gisborne District (255kb 23 pages)

Faecal source tracking - applications to surface and groundwater in Gisborne - October 2011

Brent Gilpin, Andrew Chappell, Beth Robson, Meg Devane (ESR)
Environmental impact and risks to human health of the different types and levels of faecal contaminants. Identifies the sources and quantities of microbial contamination in the Wainui Stream and in the Wharekopae River. Describes the potential uses and limitations of faecal source tracking and how the data gathered can be used to inform robust management responses.
Faecal source tracking applications to surface and groundwater in Gisborne (1.3mb 50 pages)

Sustainable coastal subdivision in Gisborne: discriminating faecal source contamination of freshwater of coastal communities - June 2008

Wendy Williamson (ESR)
Data for a small preliminary study carried out to determine the microbial quality of one recreational water site and 3 groundwater sites along the mid-eastern coast: the Hamanatua Stream lagoon (Okitu), which is used for recreational contact, and groundwater from bores in Wainui, Okitu and Makorori.
Discriminating faecal source contamination of freshwater of coastal communities (1.15mb 39 pages)

Te Aitanga a Mahaki "Eels as environmental sentinels" - 2012

Ian Ruru
Eels as a environmental indicator for freshwater quality.
Te Aitanga a Mahaki "Eels as environmental sentinels (1mb 21 pages)

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