Science and Engineering Papers
This collection houses research from the Faculty of Science and Engineering at the University of Waikato.
All items in Research Commons are provided only to permit fair dealing for the purposes of research or private study. They are protected by copyright with all rights reserved unless otherwise indicated.
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Boat electrofishing survey of fish abundance in the Ohau Channel, Rotorua, in 2016
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016, 2017)The aim of the survey was to provide on-going monitoring of the fish communities and abundance by boat electrofishing in the Ohau Channel, especially fish species that are taonga to Maori (tuna, or eels, morihana, or ... -
Taranaki Biodiversity Priorities Forum discussion report
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)On February 26th 2016 the Taranaki Biodiversity forum for regional priority setting was attended by around 75 people who represented Taranaki Biodiversity Trust members and interested parties. The objective of the forum ... -
Waitangi Soda Springs alum dosing – bioavailability of aluminium 2013
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)Continuous alum dosing of the Waitangi Soda Springs at Lake Rotoehu commenced in 2010 to reduce inflows of dissolved reactive phosphorus to Lake Rotoehu. Analyses of bioaccumulation in the tissues of kōura and goldfish ... -
Boat electrofishing survey of the Awatapu Lagoon and lower Tarawera River
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)The Department of Conservation (DOC) and Bay of Plenty Regional Council contracted the University of Waikato to conduct a boat electrofishing survey of the Awatapu Lagoon, the old Rangitaiki River channel and the lower ... -
Comparative fish abundance in the shallow Waikato lakes Whangape and Hakanoa
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)The Waikato-Tainui College for Research and Development contracted the University of Waikato to conduct boat electrofishing estimates of the fish abundance in lakes Whangape and Hakanoa; both are shallow, riverine lakes ... -
Ecological monitoring of artificial destratification effects in Lake Rotoehu: 2014-2015
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)Lake Rotoehu is a shallow (mean depth 8 m), polymictic eutrophic lake in the Rotorua lakes district. Catchment land use intensification has contributed to a decline in water quality and persistent cyanobacterial algal ... -
Ecotoxicological review of alum applications to the Rotorua Lakes
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)The use of alum (aluminium sulphate) has become a recognised technique for the restoration of freshwater systems. When added to water, alum dissociates and dissolved aluminium undergoes a series of hydrolysis reactions ... -
Anthropogenic phosphorus loads to Lake Rotorua
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)Past wastewater disposal practices and ongoing catchment land-use intensification have resulted in the eutrophication of Lake Rotorua. These changes have been associated with elevated nutrient loads to the lake from point ... -
Lake Rotorua treated wastewater discharge: Environmental effects study
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)Rotorua Lakes Council is undertaking a decision-making process to resolve how treated municipal wastewater from the city of Rotorua (Bay of Plenty) should be discharged after 2019, when irrigation operations at the Land ... -
Facilitating rafting on the Kaituna River: The effect of manipulating Lake Rotoiti outflow on the function of the Ohau diversion wall
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2013)The University of Waikato was requested by Bay of Plenty Regional Council to quantify the effectiveness of the Ohau diversion wall when controlling the Kaituna River outflow during high and low flows. The Ohau diversion ... -
Puarenga Stream alum dosing – Summary of effects on lake biota 2015
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)Continuous alum dosing of the Puarenga Stream commenced in early 2010 to reduce inflows of dissolved reactive phosphorus to Lake Rotorua. Analyses of bioaccumulation in the tissues of macrobiota were undertaken in February ... -
Environmental cues for koi carp (Cyprinus carpio) spawning aggregations and bottleneck locations near Huntly, New Zealand
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2015)Koi carp (Cyprinus carpio) were monitored from August to December 2014 near Huntly, in the north Waikato, to document migratory and spawning behaviour. Monitoring involved a combination of daily water level and temperature ... -
A water quality model for Lake Tikitapu
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2014)Lake Tikitapu is a small lake in the Rotorua Te Arawa Lakes region which is extensively used for recreation and sporting events, and is of cultural significance to Iwi (Te Arawa). It is an attractive and popular lake with ... -
Boat electrofishing survey of fish abundance in the Ohau Channel, Rotorua, in 2015
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)The aim of the survey was to provide on-going monitoring of the fish communities and abundance by boat electrofishing in the Ohau Channel, especially fish species that are taonga to Maori (eels, goldfish, and koura). In ... -
Waitangi Soda Springs alum dosing – bioavailability of aluminium 2015
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)Continuous alum dosing of the Waitangi Soda Springs at Lake Rotoehu commenced in 2010 to reduce inflows of dissolved reactive phosphorus to Lake Rotoehu. Analyses of bioaccumulation in the tissues of kōura and goldfish ... -
Boat electrofishing survey of fish abundance in the Ohau Channel, Rotorua, in 2013
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2014) -
Lake Rotorua and Lake Rotoehu: Total and non-crystalline aluminium content in bottom sediments
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016) -
Boat electrofishing survey of the Kaituna River and Bell Road oxbow
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2014) -
Modelling the impact of sewage reticulation in the Lake Tarawera catchment
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2016)In order to inform efforts being considered for the management of catchment sources of nutrient pollution into Lake Tarawera, a study was commissioned by the Lake Tarawera Ratepayers Association. This study, conducted by ... -
Waikato shallow lakes modelling
(Environmental Research Institute, Faculty of Science and Engineering, The University of Waikato, 2017)The principal aim of this study is to apply a modelling approach to identify, evaluate and prioritise specific in-lake and catchment restoration options which could be applied to improve the water quality and ecological ...
