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Modelling riparian buffers for water quality enhancement in the Karapiro catchment

Author

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  • Ramilan, Thiagarajah
  • Scrimgeour, Frank G.
  • Marsh, Dan

Abstract

The use of riparian land buffers is widely promoted as a method of mitigating the effects of sediment and nutrient runoff from intensive land use in New Zealand. Farmers receive advice and financial assistance from Regional Councils for activities such as establishment and planting of riparian buffers, but funding is limited. The effect of buffers on water quality goals varies across land types so the optimum size of riparian buffer width varies across farms. We build a stylised model to determine the optimum buffer width and apply it to the Karapiro catchment. The model can easily be extended to model salinity removal, conservation reserve programmes, establishing wetlands and carbon sequestration.

Suggested Citation

  • Ramilan, Thiagarajah & Scrimgeour, Frank G. & Marsh, Dan, 2010. "Modelling riparian buffers for water quality enhancement in the Karapiro catchment," 2010 Conference (54th), February 10-12, 2010, Adelaide, Australia 59166, Australian Agricultural and Resource Economics Society.
    • Handle: RePEc:ags:aare10:59166
    DOI: 10.22004/ag.econ.59166
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    Cited by:

    1. Buckley, Cathal & Hynes, Stephen & Mechan, Sarah, 2012. "Operating or not Operating at the Margin: Farmers Willingness to Adopt a Riparian Buffer Zone," Working Papers 148830, National University of Ireland, Galway, Socio-Economic Marine Research Unit.
    2. McVittie, Alistair & Norton, Lisa & Martin-Ortega, Julia & Siameti, Ioanna & Glenk, Klaus & Aalders, Inge, 2015. "Operationalizing an ecosystem services-based approach using Bayesian Belief Networks: An application to riparian buffer strips," Ecological Economics, Elsevier, vol. 110(C), pages 15-27.

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    Resource /Energy Economics and Policy;

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