Jon Roygard

Review of Horizons Regional Council Sustainable Land Use Initiative (SLUI)

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Report on Horizons Groundwater Level Monitoring Network and Groundwater Quantity Management Issues

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Modelling and Management of PM in Taumarunui

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Drinking Water Quality in the Horizons Region

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Management and Modelling of PM in Taihape

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Investigating Sediment As a Source of Phosphorus for Phormidium Blooms

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Upper Manawatu : an Analysis at Low Flow

Technical Report to Support Policy Development

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Regional Water Allocation Framework

Technical Report to Support Policy Development

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A Framework for Managing Non-Point Source and Point Source Nutrient Contributions to Water Quality

Technical Report to Support Policy Development

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Identifying the Optimum Land Area and Pond Volume Required for Combined Land-Water Discharge of Shannon's Waste Water

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An Investigation of Opportunities for Combined Land-Water Discharge of Feilding's Wastewater

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Derivation of Mean Annual Low Flow Statistics for the Proposed One Plan Water Allocation Framework

Technical Report to Support Policy Development

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An Evaluation of the Capacity of Andesitic Tephra, from the Ruapehu District, to Remove Dissolved Phosphorus from Municipal Wastewater

Small-Scale Pilot Study

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Overview of Dairy Farm Water Supplies in the Manawatu-Wanganui Region

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Informing a Lake Weed Harvesting Strategy at Lake Horowhenua

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Science 2012-13 Operational Plan

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Turakina and Rangitikei Groundwater Allocation

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2019 State of Environment

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Water Allocation Project Upper Manawatu Catchment

Water Resource Assessment - Allocation Limits and Minimum Flows: Technical Report to Support Policy Development

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Weed Harvesting Strategy for Lake Horowhenua

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Advice on a Monitoring Programme to Assess the Ecological Effects of Phormidium on Macroinvertebrate Communities

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Feasibility of Biocontrol of Lagarosiphon Major in New Zealand

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Surface Water Allocation in the Mid-Lower Manawatu Catchment (Mana_7 to Mana_13)

Consented and Actual Water Use

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Permitted Activity Water Takes

Comparison of Options: Technical Report to Support Policy Development

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Smart Farming

Using Technology to Support 'best Practice' Management of Farm Dairy Effluent

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Groundwater Availability in the Upper Manawatu

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Awapuni Landfill

Review of Environmental Issues Arising from Leachate Discharge

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Identifying Point Source and Non-Point Source Contributions to Nutrient Loadings in Water Ways in Three Catchments in the Manawatu-Wanganui Region

Technical Report to Support Policy Development

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Quality Assurance and Archiving of Historic Hydrometric Flow Gaugings in Horizons Region

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The Effect of River Flow and Nutrients on Phormidium Abundance and Toxin Production in Rivers in the Manawatu-Whanganui Region

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Assessment of the Impacts of the Awapuni Landfill Leachate on the Manawatu River

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Assessment of Fish Populations in Lake Horowhenua, Levin

Client Report Prepared for Horizons Regional Council

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Overview of Horizon's Surface Water Monitoring Programmes

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Groundwater Lag Times in the Water Discharges from the Whanganui, Rangitikei and Manawatu Catchments

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Freshwater 2012-13 Operational Plan

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Ecological Survey of Wetlands SW Waiouru

Waione, Takarangi, Roses, Kutroa, Raketepauma Science Reserve and Otahupitara

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State and Trends in Dissolved Nutrients in Rivers of the Manawatu-Wanganui Region

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Assessment of Twelve Coastal Lakes in the Manawatu-Wanganui Region Using LakeSPI

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Environmental Farm Plans, Manawatu Freshwater Clean-Up Fund Project

Project Report

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Review of Horizons Coastal Groundwater Monitoring Network

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