Christchurch > Avon-Heathcote Estuary (Ihutai)

There are 64 records in this subcategory.


Department of Conservation. (n.d.) A Directory of Wetlands in New Zealand: Canterbury Conservancy. Page(s) 216-313.
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Keywords: altitude, Area, Avon - Heathcote Estuary, conservation measures, Cultural environment, ecological values, hydrological values, lake Coleridge, lake Ellesmere, lake Forsyth, Lake Lyndon, location, physical conditions, recreation, recreational values, social values, Te Waihora, wetland.
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Christchurch City Council, Christchurch Coastal Pathway, Rob Greenaway & Associates, Wraight Associates. (n.d.) Christchurch Coastal Pathway (CCP). (Christchurch City Council)
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Keywords: Avon - Heathcote Estuary, Christchurch, Christchurch Coastal Pathway, ecosystems, hydrological maps, hydrology, Mt Pleasant Redcliffs, recreation, Sumner, waterways history, wildlife.
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Christchurch City Council, Harris Consulting. (n.d.) Climate Change Case Study: Assessment of the impacts of sea level rise on floodplain management planning for the Avon River. (prepared for NZ Climate Change Office, Ministry for the Environment)
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Keywords: Avon - Heathcote Estuary, avon River, climate change, damage assessment, economic costs, financial costs, flood events, flooding, present value of costs, sea level rise, sea levels, stopbanks, storm event probability, tidal barrage, wet weather events.
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(2012) Canterbury regional urban stream sediment and biofilm quality survey. #ISBN 978- 1-927195-4. (Golder Associates, prepared for Environment Canterbury)
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Keywords: Arsenic, Avon River, Avon-Heathcote Estuary, Biofilm Quality, Cadmium, Chromium, Contaminants, Copper, Halswell River, Heathcote river, Instream Ecological Values, Interim Sediment Quality Guidelines, ISQG, Lead, Mecury, Metals and Metalloids, Nickel, organic carbon, PAHs, Polyaromatic Hydrocarbons, Sediment, Styx River, Trace Elements, urban land use, Urban Stream, Zinc, Zinc.
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Irvine, J R M, Laird, T E, Reid, C M, Thompson, N K. (2012) Sand volcanoes in the Avon-Heathcote Estuary produced by the 2010-2011 Christchurch Earthquakes: implications for geological preservation and expression. New Zealand Journal of Geology and Geophysics. Vol. 55. #3. Page(s) 249-254.
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Keywords: 2010 earthquake, 2011 earthquake, Avon-Heathcote Estuary, christchurch, earthquake, liquefaction, sand volcanoes.
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Marquet, Michelle Duncan, Ronlyn. (2012) What's in the water?: A Survey of Recreational Users of the Avon-Heathcote Estuary Ihutai. (prepared for Lincoln University, Environment Canterbury and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: attitudes, Avon-Heathcote Estaury, estuaries, estuary, health risk perceptions monitoring, health Risks, history, microbial pathogens, perceptions, pollution, recreation, recreational use, water quality.
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Schiel, Dave, Skilton, Jen, South, Paul, Zeldis, John. (2011) Effects of the Canterbury earthquakes on Avon- Heathcote Estuary / Ihutai ecology. #ISBN 978-1-927195-91. (NIWA, prepared for Environment Canterbury and Christchurch City Council)
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Keywords: ammonia-N, ANZECC, arsenic, Avon - Heathcote Estuary, bed height, Biota, carbon, Earthquake, epifauna, eutrophication, fauna, grain size, heavy metals, infaunal species, isotope ratios, Liquefaction, mut flats, nitrate, nitrogen, nutrient concentration, organic content, phosphorus, sediment, sediment size.
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Bolton-Ritchie, Lesley. (2011) Healthy Estuary and Rivers of the City Water quality and ecosystem health monitoring programme of Ihutai Water quality for contact recreation: Summary report on data collected over the summer of 2010-2011. #ISBN 978-1-927146-44. (Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, Avon River, Contact recreation guideline, E coli, E coli, escherichia coli, faecal contamination, heathcote river, microbial assessment category (MAC), recreation, sanitary inspection category (SIC), sewerage disposal, stormwater drains, suitability for recreation grade (SFRG), water quality.
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Bolton-Ritchie, Lesley. (2011) Healthy Estuary and Rivers of the City Water quality and ecosystem health monitoring programme of Ihutai: Water quality of the Avon-Heathcote Estuary/Ihutai: Summary report on data collected in 2010. #ISBN 978-1-927146-48. (Environment Canterbury)
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Keywords: 2010, ammonia nitrogen, Avon - Heathcote Estuary, chlorophyll A concentration, Chromium, copper, Dissolved Oxygen, dissolved reactive phosphorus, lead, metals, monitoring, nitrate-nitrite nitrogen, salinity, suspended solids, trigger value, water quality, water quality parameters, zinc.
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Bolton-Ritchie, Lesley. (2011) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: The sediments and biota of the Avon- Heathcote Estuary/Ihutai and tidal reaches of the Avon and Heathcote rivers: Summary report on data collected i. #ISBN 978-1-927146-41. (Environment Canterbury)
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Keywords: anemones, animals, biota, birds, cockles, contaminants, crabs, estuary, grain size, hoppers, mudflats, organic matter content, oxygenated, salinity, sediment, sediment quality, shellfish worms, snails, tidal reaches, water quality.
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Arnold, Jade, Bind, Jo, Hicks, Murray, Measures, Richards, Shankar, Ude, Zeldis, John. (2011) Mapping earthquake induced topographical change and liquefaction in the Avon-Heathcote Estuary. #ISBN 978-1-927195-90. (NIWA, prepared for Environment Canterbury)
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Keywords: aerial photos, Avon - Heathcote Estuary, evaluation, LiDAR, liquefaction, mean sea level, subsidence, tidal water surface extents, topographic change, topographic survey data, wetted area.
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Boyd, Felicity. (2010) A Recreational and Social History of the Avon-Heathcote Estuary. (prepared for Environment Canterbury Regional Council and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: attitudes, Avon-Heathcote Estaury, changes, changing land use, environmental issues, european settlement, historical overview, history, maori, ngai tahu, perceptions, pre-European, recreation, recreational activities, residential activities, urban development, water quality.
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Bolton-Ritchie, Lesley. (2010) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: The sediments and biota of the Avon-Heathcote Estuary/Ihutai and tidal reaches of the Avon and Heathcote rivers: Summary report on data collected in. #ISBN 978-1-927146-07. (Environment Canterbury)
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Keywords: anemones, animals, biota, birds, cockles, contaminants, crabs, estuary, grain size, hoppers, mudflats, organic matter content, oxygenated, salinity, sediment, sediment quality, shellfish worms, snails, tidal reaches, water quality.
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Bolton-Ritchie, Lesley. (2010) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: Water quality of the Avon-Heathcote Estuary/Ihutai: Summary report on data collected in 2009. #ISBN 978-1-927137-60. (Environment Canterbury)
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Keywords: ammonia nitrogen, ANZECC, Avon - Heathcote Estuary, biota, Chlorophyll-a, concentration, dissolved Oxygen, dissolved oxygen saturation, Dissolved reactive phosphorus, ecosystem health, Estuary, monitoring, nitrate-nitrite nitrogen, Nutrients, oxygen, river habitiat, salinity, Suspended solids, tidal reaches, trigger levels, trigger value, water quality, water quality parameters, water temperature.
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Davey, Gabrielle, Marsden, Islay. (2010) Population of Redcliff's Shrimp (Palaemon affinis). (prepared for the University of Canterbury, Environment Canterbury Regional Council and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: Avon-Heathcote Estaury, estuary, Palaemon Affinis, redcliff's, salinity, shrimp, species distribution.
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Fisher, Kelly. (2010) The Avon-Heathcote Estuary Ihutai Summer Research Projects. Lincoln Planning Review. Vol. 2. #2. Page(s) 28-29.
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Keywords: Avon-Heathcote Estuary, food gathering, history, recreation, shrim, tourism.
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Crawford, Sheena Fountain, Joanna. (2010) Tourism and recreation around the Avon-Heathcote Estuary/Ihutai: Current usage, awareness and perceptions of tourism and recreational opportunities. (prepared for Lincoln University, Environment Canterbury, the Avon-Heathcote Estuary Ihutai Trust and the Tertiary Education Commission)
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Keywords: Attitudes, avon-Heathcote Estaury, behaviour, common activities, estuaries, estuary, estuary visits, ocean Outfall, ocean outfall pipe, perceptions, recreation, recreational activities, significant sites, surveys, tourism, tourism use, walking, water user profile.
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Lizamore, Catherine Montgomery, Roy. (2010) Tourism and the Avon-Heathcote Esuary Ihutai: A rapid appraisal of services offered and key stakeholder perspectives. (prepared for Environment Canterbury, Avon-Heathcote Estuary Ihutai Trust and the Tertiary Education Commission)
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Keywords: Attitudes, interviews, Perspective, Ramsar status, recreation, research project, restaurants, social change, tourism, tourism potential, water use.
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Horn, Chrys. (2010) Waitaha Wai: Waterways of Christchurch. #ISBN: 978-1-877574-0. (Environment Canterbury Regional Council and Christchurch City Council)
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Keywords: Avon River, Avon-Heathcote Estuary, brooklands estuary, Brooklands Lagoon, Cashmere Stream, christchurch water supply, drainage, groundwater, halswell river, Ihutai, maori water values, monitoring, Ngai Tahu, Pollution, stream monitoring, styx catchment, surface water, Travis Swamp, Travis Wetland, values, water quality, water supplies, water values.
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Dibley, Douglas. (2009) Cockle resources in the Avon-Heathcote Estuary. (prepared for University of Canterbury and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: Austrovenus stutchburyi, avon-Heathcote Estaury, biological habitat, cockle, cockles, ecological habitat, estuaries, estuary, geographical information systems, GIS, patterns, sampling, stutchburyi, trends.
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Pearson, Renee. (2009) Foraminifera of the Avon-Heathcote Estuary. (prepared for the University of Canterbury, Environment Canterbury Regional Council and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: Avon-Heathcote Estaury, benthic foraminifera's, foraminifera, mapping, Protozoa, sampling, sediment sampling, species distribution.
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Bolton-Ritchie, Lesley. (2009) Healthy estuary and rivers of the City Water quality and ecosystem health monitoring programme of Ihutai Water quality for contact recreation: Summary report on data collected over the summer of 2008-2009. #ISBN: 978-1-877542-2. (Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, Avon River, Contact recreation guideline, E coli, E coli, escherichia coli, faecal contamination, heathcote river, microbial assessment category (MAC), recreation, sanitary inspection category (SIC), sewerage disposal, stormwater drains, suitability for recreation grade (SFRG), water quality.
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Batcheler, L, Bolton-Ritchie, L, Bond, J, Dagg, D, Dickson, P, Drysdale, A, Handforth, D, Hayward, S. (2009) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai. #ISBN: 978-1-86937-92.
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Keywords: Avon - Heathcote Estuary, ecosystem health, environmental values, food gathering, Ihutai, mahinga kai, monitoring, rivers.
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Bolton-Ritchie, L. (2009) Healthy estuary and rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai Water quality of the Avon-Heathcote Estuary/Ihutai: Summary report on data collected in 2008. #ISBN: 978-1-877542-2. (Environment Canterbury)
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Keywords: ammonia nitrogen, Avon - Heathcote Estuary, chlorophyll A concentration, Chromium, copper, Dissolved Oxygen, dissolved reactive phosphorus, lead, metals, monitoring, nitrate-nitrite nitrogen, salinity, suspended solids, trigger value, water quality, water quality parameters, zinc.
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Bolton-Ritchie, Lesley. (2009) Healthy estuary and rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: The sediments and biota of the Avon- Heathcote Estuary/Ihutai and tidal reaches of the Avon and Heathcote rivers: Summary report on data collected i. #ISBN: 978-1-877542-2.
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Keywords: anemones, animals, biota, birds, cockles, contaminants, crabs, estuary, grain size, hoppers, mudflats, organic matter content, oxygenated, salinity, sediment, sediment quality, shellfish worms, snails, tidal reaches, water quality.
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O'Connor, Kevin. (2009) How and Why Christchurch City Council and the Community should Clean Up McCormacks Bay. (McCormacks Bay Steering Group)
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Keywords: Avon - Heathcote Estuary, bathymetric, benthic, Benthos, biota, birds, causeway, culvert, ecology, ecosystem health, estuarine ecosystem, estuary, flow rates, goals, history, hydraulic analysis, Kayaking, McCormacks Bay, reclamation, recreation, sea lettuce, tidal exchange, tidal water surface extents, water quality, water quality, wetlands.
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Drake, Deanne, Stewart, Simon. (2008) A Baseline Description of Nitrogen Sources and Food Webs Prior to Large-Scale Restoration in Te Ihutai, Avon-Heathcote Estuary, New Zealand.
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Keywords: Avon-Heathcote Estaury, biogeochemistry, eutrophic status, Eutrophication, food webs, isotopes, isotopic description, nutrient, nutrient status, ocean Outfall, ocean outfall pipe, ocean Outfall Project.
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Murray, Daniel, Tipler, Cliff. (2008) Assessment of Effects on the Environment: Discharge of Overflows from the Christchurch Wastewater Network to the Avon and Heathcote Catchments. (URS New Zealand Limited, prepared for Christchurch City Council)
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Keywords: ANZECC, Assessment of Environmental Effects, Avon - Heathcote Estuary, Avon River, Avon River Catchment, Christchurch wastewater, consultation, cultural values, dilution, discharge permit, discharge to waterways, ecological values, faecal coliform concentrations, flow, flow characteristics, heathcote river, Heathcote River Catchment, heavy metals, kaitiakitanga, mahinga kai, overflow, recreational values, resource consent, stakeholders, taxa, transitional Regional Plan, wastewater, wastewater network, water quality, wet weather events.
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Bolton-Ritchie, Lesley. (2008) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai Water quality for contact recreation Summary report on data collected over the summer of 2007-2008. #ISBN: 978-1-86937-83. (Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, Avon River, Contact recreation guideline, E coli, E coli, escherichia coli, faecal contamination, heathcote river, microbial assessment category (MAC), recreation, sanitary inspection category (SIC), sewerage disposal, stormwater drains, suitability for recreation grade (SFRG), water quality.
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Bolton-Ritchie, Lesley. (2008) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai Water quality of the Avon-Heathcote Estuary/Ihutai: Summary report on data collected in 2007. #ISBN: 978-1-86937-84. (Environment Canterbury)
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Keywords: ammonia nitrogen, ANZECC, Avon - Heathcote Estuary, biota, chlorophyll-a, concnetrations, dissolved Oxygen, Dissolved reactive phosphorus, ecosystem health, Environmental values, estuary, Ihutai, monitoring, Nitrate-nitrite nitrogen, nNN, nutrients, oxygen, river habitiat, salinity, sediments, suspended soils, temperature, tidal reaches, trigger levels, water quality, water quality parameters.
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Bolton-Ritchie, Lesley. (2008) Healthy Estuary and Rivers of the City: Water quality and ecosystem health monitoring programme of Ihutai: The sediments and biota of the Avon- Heathcote Estuary/Ihutai and tidal reaches of the Avon and Heathcote rivers: Summary report on data collected i. #ISBN: 978-1-86937-84.
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Keywords: anemones, animals, biota, birds, cockles, contaminants, crabs, estuary, grain size, hoppers, mudflats, organic matter content, oxygenated, salinity, sediment, sediment quality, shellfish worms, snails, tidal reaches, water quality.
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Greenwood, Michellle. (2008) Metal Concentrations in Fish and Shellfish of the Avon-Heathcote Estuary/Ihutai and Rivers: 2008. (EOS Ecology, prepared for Environment Canterbury)
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Keywords: arsenic, Avon - Heathcote Estuary, Cadmium, Cockle shells, copper, heavy metals, lead, mecury, shellfish, trace Elements, zinc.
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Cochrane, T., O'Sullivan, A.D., Wheeler, Joe. (2008) The Tidal Ebb and Flow in a Constructed Wildlife Reserve. (prepared for the University of Canterbury and Christchurch City Council)
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Keywords: Charlesworth, Charlesworth Reserve, Charlesworth Wetlands, ebb and flow, hydrodynamic modelling, hydrodynamics, tide flow, water flow.
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Chague-Goff, Catherine, Goff, James. (2007) Avon-Heathcote Estuary (Ihutai): Palaeoenvironmental changes project – Final stage report. (National Institute of Water & Atmospheric Research Ltd (NIWA), prepared for Christchurch City Council)
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Keywords: Avon-Heathcote Estuary, Brooklands Lagoon, core samples, coring, dating, environmental changes, historical data, modelling, radiocarbon dating, South New Brighton, Taylors Mistake, Tsunami.
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Hart, Deirdre E, Jupp, K. L, Marsden, Islay, Partridge, Trevor. (2007) Ecology of the Avon-Heathcote Estuary: Comparative Salt Marsh Survey 2006-2007. (University of Canterbury prepared for the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: Avon-Heathcote Estaury, changes, estuarine ecosystem, GPS, mapping, patterns, salt marsh, salt marsh vegetation, sampling, surveys, trends, vegetation.

Hack, Lisa. (2007) Impacts of Drain Discharges on Sediment and Biota in a Defined Area of the Avon-Heathcote Estuary/Ihutai. (EOS Ecology, prepared for Environment Canterbury)
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Keywords: Avon - Heathcote Estuary, biota, Cockle shells, Concentration, discharges, heavy metals, ISQG, macroalgae, mahinga Kai, metals, mudflat snail, nutients, point-source, sediment, stalk eyed mud crab, Trigger levels, trigger value, zinc.
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Burge, P. I. (2007) Sedimentation in the Avon-Heathcote Estuary/Ihutai - an analysis of past and present studies. (prepared for Environment Canterbury Regional Council and the Avon-Heathcote Estuary Ihutai Trust)
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Keywords: annual sediment load, Avon River, Avon-Heathcote Estaury, christchurch outfall, christchurch wastewater, Christchurch wastewater treatment plant, Contaminant concentrations, estuary, future research, Heathcote River, literature review, nutrient levels, organic composition, organic contaminants, outfall drains, recommendations, review, sediment, sediment inputs, sediment load, sediment size, sedimentation.
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(2006) Central Plains Water Enhancement Scheme: Effects of Construction, Damming, Diversion and Water Use on Water Quality. (Kingett Mitchell Limited, prepared for URS New Zealand Ltd)
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Keywords: algae, Avon - Heathcote Estuary, Central Plains, Central Plains Water, Central Plains Water Enhancement Scheme, Construction effects, discharges, dissolved Oxygen, dissolved reactive phosphorus, DRP, estuares, hydrodynamics, hydrology, lake Ellesmere, lowland streams, microbiology, Nitrogen, nutrient concentration, nutrients, Pesticides, phosphorus, Rakaia, Selwyn River, surface runoff, surface water, surface water quality, suspended solids, te Waihora, temperature, turbidity, turbidity, Waianiwaniwa River Valley, waianiwaniwa Valley, waimakariri, water clarity, water quality, water quality, water races, wetlands.
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Dodson, Sarah. (2006) Reality versus Perception: User Perceptions of the Avon and Heathcote Rivers.
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Keywords: Avon catchment, Avon River, Christchurch water quality, Heathcote catchment, Heathcote river, perceptions, public awareness, Public perspectives, sampling, water quality.
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Bolton-Ritchie, Lesley, Main, Malcolm. (2005) Nutrient water quality Avon-Heathcote Estuary/Ihutai Inputs, concentrations and potential effects. (Environment Canterbury)
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Keywords: algae, algae decomposition, ammonia nitrogen, ANZECC, Avon - Heathcote Estuary, Concentration, dissolved reactive phosphorus, drains, drp, fish, macroalgae, nitrate-nitrite nitrogen, NNN, nutrient concentration, nutrient sources, nutrients, oxidation ponds, phytoplankton, sediments, seepage, stormwater, stormwater discharge, toe drains, total nitrogen, TP, trigger levels, trigger value, water quality.
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Christchurch City Council. (2003) Christchurch City Environmental Trends 2003 - Draft: The Coastal Environment. (Christchurch City Council)
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Keywords: Avon - Heathcote Estuary, beach, Brooklands Lagoon, Coastal wetlands, coastline, DIN, dissolved inorganic nitrogen, Dissolved reactive phosphorus, DRP, estuaries, heavy metals, nutrient, nutrient inputs, recreation, recreational water quality, sea level rise, water quality.
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Gilson, M, Mitchell, K. (1999) Christchurch City Surface Water Quality Data 1995-97. Water Quality trends 1986-97. Page(s) 253. (Christchurch City Council Waste Management Unit Laboratory)
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Keywords: Avon River, Avon River Catchment, bacteria, bacteria concentrations, Halswell Junction Road Retention Basin, Halswell River, Halswell River catchment, Heathcote River, Heathcote River Catchment, heavy metal concentrations, heavy metals, oxidation ponds, rainfall data, styx River, Styx River catchment.

(1999) Study of the Effects of Sea Level Rise for Christchurch. (Tonkin and Taylor Ltd, prepared for Christchurch City Council)
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Keywords: Avon - Heathcote Estuary, Avon River, Brooklands Lagoon, Christchurch, climate change, coastal processes, erosion, estimates of sea level rise, groundwater, heathcote river, impacts, Inundation, planning, protection measures, river bank erosion, salinity, Sea level rise, sediment supply, sedimentation, storm effects, Waimakariri River, water levels.
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Gilson, M. (1996) Christchurch City Surface Water Quality Data 1994-95. (Christchurch City Waste Management Unit Laboratory, prepared for Christchurch City Council)
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Keywords: Avon catchment, Avon River, Avon-Heathcote Estuary, bacteria, bacteriological concentrations, biological data, chemical data, Christchurch rivers, drains, Estuary, Halswell catchment, Halswell River, Heathcote catchment, Heathcote River, heavy metals, metal concentrations, monitoring, oxidation ponds, raw data, Styx Catchment, Styx River, surface water, tributaries, water quality data.

Robb, J.A.. (1994) Christchurch City Surface Water Quality Data 1993-94. (Christchurch City Council Waste Management Unit Laboratory, prepared for Christchurch City Council)
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Keywords: Avon catchment, Avon River, Avon-Heathcote Estuary, bacteria, bacteriological concentrations, biological data, chemical data, Christchurch rivers, drains, Estuary, Halswell catchment, Halswell River, Heathcote catchment, Heathcote River, heavy metals, metal concentrations, monitoring, oxidation ponds, raw data, Styx Catchment, Styx River, surface water, tributaries, water quality data.

Canterbury Regional Council. (1994) Shining Waters – Issues of an Urban Catchment. (Canterbury Regional Council)
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Keywords: Avon River, Avon-Heathcote Estuary, bank erosion, discharges, ecology, estuarine environment, Heathcote River, industrial pollution, land use, landscape values, mud crabs, oxidation ponds, Planning Issues, recreation, salinity, sewerage, urban development, urbanisation, Water Quality, wetland, wildlife population, Woolston Cut.

Robb, J. A. (1993) Christchurch City Surface Water Quality Data: 1992-93. (Christchurch City Council Drainage and Waste Management Unit Laboratory, prepared for the Christchurch City Council)
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Keywords: Avon river, Avon-Heathcote Estaury, bacteriological, cadmium, cashmere stream, chemical, chloride, chromium, city outfall drain, copper, dissolved oxygen, dissolved reactive phosphorus, Dudley Creek, E Coli, faecal coliforms, halswell river, haytons drain, Heathcote river, heavy metal concentration, heavy metals, Horseshoe Lake, kaputone stream, knights steram, lead, metal concentrations, moncks bay, nickel, nitrate, Nottingham stream, oxidation ponds, ph, smacks creek, styx river, Suspended solids, Waiarapa Stream, Waimairi Stream, zinc.

Thomson, S. D, Wong, C.C.P. (1992) Distribution of the Cockle, Chione Stutchburyi in the Avon-Heathcote Estuary Christchurch, New Zealand. (Christchurch Drainage Laboratory, prepared for Christchurch City Council)
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Keywords: Avon-Heathcote Estuary, biomass, biotic characteristics, Chione Stutchburyi, cockle, densities, land use change, oxidation pond, physical characteristics, sampling.

Griffin, J. M, Thomson, S. D. (1992) Distribution of the Tidal Mudflat Snail Amphibola Crenata in the Avon-Heathcote Estuary Christchurch, New Zealand. (Christchurch Drainage Laboratory, prepared for Christchurch City Council)
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Keywords: Amphibola Crenata, Avon-Heathcote Estuary, biological, biological data, discharge, mudflat snail, pollution, raw data, sampling, sewerage treatment, tidal mudflat snail, water quality.

McCombs, Kate, Partridge, Trevor. (1992) Vegetation of the Avon-Heathcote Estuary, Christchurch. (prepared for the Parks Unit, Christchurch City Council)
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Keywords: avon river, Avon-Heathcote Estaury, bexley, calders green, estuary, heathcote river, Ihutai, marsh, oxidation pond, penguin st, rat island, sandy point, sea rush, sea rush salt marsh, south brighton, vegetation characteristics, vegetation distribution, vegetation survey, wetland.

Robb, J. A. (1989) A Biological Evaluation of McCormacks Bay. (Christchurch Drainage Board)
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Keywords: algae, algae distribution, Avon-Heathcote Estuary, benthic invertebrates, Canterbury Drainage Board, invertebrates, management plan, McCormacks Bay, raw data, sampling, sediment, sediment characteristics, sediment size, sediment texture.

Noonan, M. J, Robb, J. A. (1988) Confirmed and Faecal Coliform Bacteria in Cockles (Chione Stutchburyi) in Estuaries near Christchurch, New Zealand. (Christchurch Drainage Board)
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Keywords: Avon-Heathcote Estuary, biological parameters, Brooklands Lagoon, Chione Stutchburyi, cockle beds, cockles, estuary, faecal coliform, faecal coliform bacteria, faecal coliform concentrations, microbiological, monitoring, surface water quality, trends, water quality.

Dang, Oanh, Gilson, M, Gnad, P. A, Robb, J. A., Rowell, P. B, Sibly, K. J, Sutherland, B. E, van der Velden, H. N. (1988) Heavy Metals in the Rivers and Estuaries of Metropolitan Christchurch and Outlying Areas. (Christchurch Drainage Board)
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Keywords: Avon River, Avon-Heathcote Estuary, biota, Christchurch Drainage Board, Christchurch treatment works, city outfall drain, cockles, copper, Heathcote River, heavy metal concentration, heavy metals, lead, mudflat snails, oxidation ponds, raw data, sampling, sediment characteristics, sediment size, spatial distribution, Styx River, wasterwater treatment, water resources, zinc.

Dall, C T. (1987) Studies on faecal coliform bacteria in sediment of the Avon-Heathcote Estuary, Christchurch, New Zealand. Vol. Master of Applied Sc. (University of Canterbury)
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Keywords: Avon-Heathcote Estuary, bacteria, bacteriological survey, estuaries, faecal coliform concentrations, sanitary bacteria, sediment, water quality.
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Ayrey, M. R. B, Baxer, K., Bensberg, M, Damen, A. M, Gilson, M, Kelly, W. B, Robb, J. A, Turner, B, Walsh, M. H, White, G. F. (1981) A Bacteriological Survey of the Avon-Heathcote Estuary, Christchurch, New Zealand. (Christchurch Drainage Board)
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Keywords: Avon-heathcote estuary, bacteria data, Bacteriological survey, Bromley sewerage plant, chemical data, discharges, estuarine water quality, estuary, faecal coliform, faecal coliform concentrations, monitoring, oxidation pons, recreation, sampling, surface water, Surface water quality, trends, wastewater discharge, wastewater disposal, wastewater treatment plant, water quality.

Stephenson, Robert. (1981) Aspects of the energetics of the cockle Chione (Austrovenus) stutchburyi in the Avon-Heathcote Estuary, Christchurch, New Zealand. Vol. Doctor of Philosophy. Page(s) 234. (University of Canterbury)
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Keywords: Avon-Heathcote Estuary, benthic, benthic community, Chione (Austrovenus) stutchburyi, Chione stutchburyi, cockles, macrofaunal, stutchburyi.
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Millhouse, David. (1977) Trace Metals in the Avon-Heathcote Estuary, Christchurch, New Zealand. (Estuarine Research Unit, Department of Zoology, University of Canterbury)
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Keywords: Avon-Heathcote Estuary, biota, concentration, estuary, metal contamination, metals, trace Elements, trace metals.

Robb, James A. (1975) An ecological study of the Bromley oxidation ponds and surrounding environs. Vol. Doctor of Philosophy. Page(s) 289. (University of Canterbury)
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Keywords: Avon River, Avon-Heathcote Estuary, Bromley sewerage station, heathcote river, nutrients, oxidation ponds, oxidation ponds nutrients, patterns, ph, sewerage treatment plant.
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Close, M E. (1973) Fish Populations of the Avon-Heathcote Estuary. 2: Breeding and Gonad Maturity. New Zealand Journal of Marine and Freshwater Research. Vol. 7. #1. Page(s) 45-66.
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Keywords: Avon-Heathcote Estuary, fish, fish populations, flounder, Ihutai, kahawai, mullet, nursery.

Kilner, A R, Knox, G. A. (1973) The Ecology of the Avon-Heathcote Estuary. (The Estuarine Research Unit, University of Canterbury, prepared for the Christchurch Drainage Board)
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Keywords: aesthetics, Algae, algae growth, algal blooms, Avon River, Avon-Heathcote Estuary, benthic microfauna, biota, dredging, effluent discharge, effluent dispersal, estuary, eutrophication, fauna, flood control, flood mitigation, flora, future management, Heathcote river, history, Nutrient, organic content, Pollution, Public Access, recreational use, salinity, sediment distribution, sediments, tidal movements, tide.

Webb, B F. (1972) Fish Populations of the Avon-Heathcote Estuary. 1: General Ecology, Distribution and Length-Frequency. New Zealand Journal of Marine and Freshwater Research. Vol. 6. #4. Page(s) 570-601.
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Keywords: Avon-Heathcote Estuary, feeding area, fish, fish populations, fish species, habitat, Ihutai.

Webb, B F. (1966) A study in the biology of the fish population of the Avon-Heathcote Estuary, Christchurch. Vol. Master of Science. Page(s) 413. (University of Canterbury)
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Keywords: Avon-Heathcote Estuary, estuarine, estuary, fish biology, fish biota, fish species, habitats, parasites.
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Bruce, A. (1953) Report on a Biological and Chemical Investigation of the Waters in the Estuary of the Avon and Heathcote Rivers. (Christchurch Drainage Board)
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Keywords: annotated maps, Avon, Avon River, Avon-Heathcote Estaury, bacteriological survey, biological, biological data, birds, chemical data, Christchurch Drainage Board, contaminant concentrations, contaminants, estuary, gastropoda, gastropods, heathcote, Heathcote River, maps, pollution, raw data, salinity, water quality, water quality indicators.

Christchurch City Council, Christchurch City Council. Fact Sheet: The Avon-Heathcote Estuary (Ihutai).
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Keywords: Avon - Heathcote Estuary, Bird species, fauna, flora, history, Jubilee Walkway, management issues, natural history, recreation, Southshore Spit, wetland.
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