The effects of different land uses on nitrogen and phosphorus loss in stream water from catchments in Purukohukohu experimental basin / J.G. Cooke

By: Cooke, J.G.
Contributor(s): Water Quality Centre (Hamilton, N.Z.).
Series: Internal report / Water Quality Centre, Hamilton: no. 81/14Publisher: Hamilton, N.Z. : Hamilton Science Centre, 1981Description: 35 leaves : illustrations ; 30 cm.Subject(s): OXYGEN | STREAMS | URBAN RUNOFF | NEW ZEALAND | WATER QUALITY In: Internal report / Water Quality Centre, HamiltonSummary: Phosphorus and inorganic nitrogen data collected from the Purukohukohu experimental basin between 1972 and 1979 are examined. There was a pronounced seasonal and flow-related variation of nitrate concentrations in all three catchments. Mean annual nitrate concentrations in Puriki, which was converted from pasture to pines in 1973, have declined from 150 mg.m-3 in 1972 to approximately 130 mg.m-3 in 1979.
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JOURNAL JOURNAL WELLINGTON
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STACK NO. 81/14 1 Available J017852

Phosphorus and inorganic nitrogen data collected from the Purukohukohu experimental basin between 1972 and 1979 are examined. There was a pronounced seasonal and flow-related variation of nitrate concentrations in all three catchments. Mean annual nitrate concentrations in Puriki, which was converted from pasture to pines in 1973, have declined from 150 mg.m-3 in 1972 to approximately 130 mg.m-3 in 1979.

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