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      Spot sampling of nutrient concentrations in the Puarenga catchment, Rotorua

      Abell, Jonathan Michael; Hamilton, David P.
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      CBER_122.pdf
      1.351Mb
      Link
       cber.bio.waikato.ac.nz
      Citation
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      Abell, J.M. & Hamilton, D.P. (2011). Spot sampling of nutrient concentrations in the Puarenga catchment, Rotorua. CBER Contract Report No. 122, prepared for Tūhourangi Tribal Authority. Hamilton, New Zealand: Centre for Biodiversity and Ecology Research, The University of Waikato.
      Permanent Research Commons link: https://hdl.handle.net/10289/5804
      Abstract
      The Centre for Biodiversity and Ecology Research was approached by Tūhourangi Tribal Authority for assistance with measuring water quality in streams in the Puarenga Stream catchment. Water sampling was subsequently undertaken on 18 July 2011 and samples were analysed to determine concentrations of total and dissolved fractions of nitrogen and phosphorus.

      Nitrogen and phosphorus are both essential plant nutrients which, when present in excess, can cause eutrophication and associated water quality decline of freshwaters. High concentrations of dissolved forms of nitrogen can also be toxic to aquatic organisms. Excessive nitrogen and phosphorus concentrations are typically the result of pollution due to human activities, although groundwater in the Central Volcanic Plateau region can have elevated concentrations of phosphorus arising from natural geological sources.

      This report summarises the methods used, presents the results and places measured concentrations in context by drawing comparisons with both guideline and regional mean values.
      Date
      2011-09
      Type
      Commissioned Report for External Body
      Series
      CBER Contract Report
      Report No.
      No.122
      Publisher
      Centre for Biodiversity and Ecology Research, The University of Waikato
      Collections
      • Science and Engineering Papers [3071]
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