REFERENCES

• Acreman, M., 2005. Linking science and decision-making: features and experience from environmental river flow setting. Environmental Modelling and Software, 20, 99–109.
   Web of Science ®Google Scholar
• Acreman, M., et al., 2008. Developing environmental standards for abstractions from UK rivers to implement the EU Water Framework Directive. Hydrological Sciences Journal, 53, 1105–1120.
   Web of Science ®Google Scholar
• Acreman, M. and Dunbar, M.J., 2004. Defining environmental river flow requirements—a review. Hydrology and Earth System Sciences, 8, 861–876.
   Web of Science ®Google Scholar
• Aqualinc. 2008. Sustainable freshwater management—towards an improved New Zealand approach. Christchurch, New Zealand: Aqualinc.
   Google Scholar
• Arthington, A.H., et al., 2006. The challenge of providing environmental flow rules to sustain river ecosystems. Ecological Applications, 16, 1311–1318.
   PubMed Web of Science ®Google Scholar
• Biggs, B.J.F., 1995. The contribution of disturbance, catchment geology and landuse to the habitat template of periphyton in stream ecosystems. Freshwater Biology, 33, 419–438.
   Web of Science ®Google Scholar
• Biswas, A.K., 2004. Integrated water resources management: a reassessment. Water International, 29, 248–256.
   Web of Science ®Google Scholar
• Booker, D.J., 2010. Predicting wetted width in any river at any discharge. Earth Surface Processes and Landforms, 35, 828–841.
   Web of Science ®Google Scholar
• Booker, D. and Acreman, M., 2007. Generalisation of physical habitat-discharge relationships. Hydrology and Earth System Sciences, 11, 141–157.
   Web of Science ®Google Scholar
• Booker, D.J. and Dunbar, M.J., 2004. Application of Physical HAbitatSIMulation (PHABSIM) modelling to modified urban river channels. River Research and Applications, 20, 167–183.
   Web of Science ®Google Scholar
• Booker, D., Dunbar, M., and Ibbotson, A., 2004. Predicting juvenile salmonid drift-feeding habitat quality using a three-dimensional hydraulic-bioenergetic model. Ecological Modelling, 177, 157–177.
   Web of Science ®Google Scholar
• Booker, D.J. and Snelder, T.H., 2012. Comparing methods for estimating flow duration curves at ungauged sites. Journal of Hydrology, 435, 78–94.
   Web of Science ®Google Scholar
• Bovee, K.D., et al., 1998. Stream habitat analysis using the instream flow incremental methodology. US Geological Survey, Biological Resources Division, Information and Technology Report.
   Google Scholar
• Crow, S.K., Booker, D.J., and Snelder, T.H., 2012. Contrasting influence of flow regime on freshwater fishes displaying diadromous and nondiadromous life histories. Ecology of Freshwater Fish, 22 (1), 82–94.
   Web of Science ®Google Scholar
• Dodds, W.K.K. and Welch, E.B., 2000. Establishing nutrient criteria in streams. Journal of the North American Benthological Society, 19, 186–196.
   Web of Science ®Google Scholar
• Dudgeon, D., et al., 2006. Freshwater biodiversity: importance, threats, status and conservation challenges. Biological Reviews, 81, 163–182.
   PubMed Web of Science ®Google Scholar
• Environment Waikato, 2008. Proposed Waikato Regional Plan: proposed variation no. 6—water allocation. Analysis of alternatives, benefits and costs under s32 of the Resource Management Act 1991—Explanation of the approach taken in the variation. Hamilton, New Zealand: Environment Waikato. Available from: http://www.waikatoregion.govt.nz/ [Accessed March 2013].
   Google Scholar
• Ganora, D., et al., 2009. An approach to estimate nonparametric flow duration curves in ungauged basins. Water Resources Research, 45 (10), W10418.
   Web of Science ®Google Scholar
• Gippel, C., Jacobs, T., and McLeod, T., 2002. Environmental flows and water quality objectives for the River Murray. Water Science and Technology, 45 (11), 251–260.
   PubMed Web of Science ®Google Scholar
• Gleick, P., 1998. Water in crisis: paths to sustainable water use. Ecological Applications, 8, 571–579.
   Web of Science ®Google Scholar
• Harding, J.S. and Winterbourn, M.J., 1997. An ecoregion classification of the South Island, New Zealand. Journal of Environmental Management, 51, 275–287.
   Web of Science ®Google Scholar
• Hayes, J.W., Stark, J.D., and Shearer, K.A., 2000. Development and test of a whole-lifetime foraging and bioenergetics growth model for drift-feeding brown trout. Transactions of the American Fisheries Society, 129, 315–332.
   Web of Science ®Google Scholar
• Holling, C.S., 1980. Adaptive environmental assessment and management. Bath, UK: John Wiley and Sons.
   Google Scholar
• Hurndell, R., Roygard, J., and Watson, J., 2007. Regional water allocation framework: technical report to support policy. Palmerston North, New Zealand: Horizons Regional Council. Available from: http://www.horizons.govt.nz [Accessed March 2013].
   Google Scholar
• Jowett, I.G. and Biggs, B., 2008. Application of the natural flow paradigm in a New Zealand context. River Research and Applications, 25, 1126–1135.
   Web of Science ®Google Scholar
• Jowett, I.G., Hayes, J.W., and Duncan, M.J., 2008. A guide to habitat survey methods and analysis. NIWA Science and Technology Series. Wellington, New Zealand: NIWA. Available from: http://www.niwa.co.nz [Accessed March 2013].
   Google Scholar
• Jowett, I. and Richardson, J., 1995. Habitat preferences of common, riverine New Zealand native fishes and implications for flow management. New Zealand Journal of Marine and Freshwater Research, 29, 13–23.
   Web of Science ®Google Scholar
• Jowett, I.G. and Richardson, J., 2003. Fish communities in New Zealand rivers and their relationship to environmental variables. New Zealand Journal of Marine and Freshwater Research, 37, 347–366.
   Web of Science ®Google Scholar
• Kaika, M., 2003. The Water Framework Directive: a new directive for a changing social, political and economic European framework. European Planning Studies, 11 (3), 299–316.
   Web of Science ®Google Scholar
• Lamouroux, N., 2008. Hydraulic geometry of stream reaches and ecological implications. In: H. Habersack, H. Piégay, and M. Rinaldi, eds. Gravel Bed Rivers 6: From process understanding to the restoration of mountain rivers. Amsterdam: Elsevier, 661–675.
   Google Scholar
• Lamouroux, N. and Jowett, I.G., 2005. Generalized instream habitat models. Canadian Journal of Fisheries and Aquatic Sciences, 62, 7–14.
   Web of Science ®Google Scholar
• Lancaster, J. and Downes, B.J., 2010. Linking the hydraulic world of individual organisms to ecological processes: putting ecology into ecohydraulics. River Research and Applications, 26 (4), 385–403.
   Web of Science ®Google Scholar
• LAWF (Land and Water Forum), 2010. Report of the land and water forum: a fresh start for freshwater. Wellington, New Zealand: Land and Water Forum. Available from: http://www.landandwater.org.nz/ [Accessed March 2013].
   Google Scholar
• Leathwick, J.R., et al., 2005. Predicting the distributions of New Zealand’s freshwater diadromous fish. Freshwater Biology, 50, 2034–2052.
   Web of Science ®Google Scholar
• Leathwick, J., et al., 2011. Use of generalised dissimilarity modelling to improve the biological discrimination of river and stream classifications. Freshwater Biology, 56, 21–38.
   Web of Science ®Google Scholar
• Lincoln Environmental. 2000. Information on water allocation in New Zealand. Christchurch, New Zealand: Lincoln Environmental. Available from: http://www.mfe.govt.nz/publications/water/water-allocation-apr00.html [Accessed March 2013].
   Google Scholar
• Mathur, D., et al., 1985. A critique of the instream flow incremental methodology. Canadian Journal of Fisheries and Aquatic Sciences, 42, 825–831.
   Web of Science ®Google Scholar
• ME and MA 2009. Government Cabinet paper proposing a New Start for Fresh Water. Wellington, New Zealand: Offices of the Minister for the Environment and Minister of Agriculture (ME and MA). Available from: http://www.mfe.govt.nz/issues/water/freshwater/new-start-fresh-water.html [Accessed March 2013].
   Google Scholar
• Memon, P.A., 1997. Freshwater management policies in New Zealand. Aquatic Conservation: Marine and Freshwater Ecosystems, 7, 305–322.
   Web of Science ®Google Scholar
• MFE (Ministry for the Environment), 2006. Snapshot of water allocation in New Zealand. Wellington, New Zealand: New Zealand Ministry for the Environment. Available from: http://www.mfe.govt.nz/publications/ser/snapshot-water-allocation-nov06/index.html [Accessed March 2013].
   Google Scholar
• MFE (Ministry for the Environment), 2007. Environment New Zealand. Wellington. New Zealand: Ministry for the Environment. Available from: http://www.mfe.govt.nz/publications/ser/enz07-dec07/ [Accessed March 2013].
   Google Scholar
• MFE (Ministry for the Environment), 2008. Proposed national environmental standard on ecological flows and water levels: discussion document. Wellington, New Zealand: New Zealand Ministry for the Environment. Available from: http://www.mfe.govt.nz/publications/water/proposed-nes-ecological-flows-water-levels-mar08/index.html [Accessed March 2013].
   Google Scholar
• Nehring, R. and Anderson, R., 1993. Determination of population-limiting critical salmonid habitats in Colorado streams using the Physical Habitat Simulation System. Rivers, 4 (1), 1–19.
   Google Scholar
• New Zealand Government. 2011. National Policy Statement for Freshwater Management 2011. New Zealand: New Zealand Government. Available from: http://www.mfe.govt.nz/rma/central/nps/freshwater-management.html [Accessed March 2013].
   Google Scholar
• Nilsson, C. and Renöfält, B., 2008. Linking flow regime and water quality in rivers: a challenge to adaptive catchment management. Ecology and Society, 13 (2), 18. Available from: http://www.ecologyandsociety.org/vol13/iss2/art18/ [Accessed March 2013].
   Web of Science ®Google Scholar
• OCAG (Office of the Controller and Auditor General), 2005. Horizons and Otago Regional Councils: Management of freshwater resources. Wellington: Office of the Controller and Auditor General. Available from: http://www.oag.govt.nz/2005/water [Accessed March 2013].
   Google Scholar
• OECD (Office for Economic Co-operation and Development), 1996. New Zealand, Environmental Performance Review. Paris: Organisation for Economic Co-operation and Development. Available from: http://www.oecd.org/env/country-reviews/ [Accessed March 2013].
   Google Scholar
• OECD (Office for Economic Co-operation and Development), 2007. Environmental performance reviews: New Zealand. Paris: Organisation for Economic Co-operation and Development. Available from: http://www.oecd.org/env/country-reviews/ [Accessed March 2013].
   Google Scholar
• OECD (Office for Economic Co-operation and Development), 2008. Environmental outlook to 2030. Paris: Organisation for Economic Co-operation and Development. Available from: http://www.oecd.org/environment/indicators-modelling-outlooks/ [Accessed March 2013].
   Google Scholar
• Omernik, J.M., 1987. Ecoregions of the conterminous United States. Annals of the Association of American Geographers, 77, 118–125.
   Web of Science ®Google Scholar
• Omernik, J.M., 1995. Ecoregions: a spatial framework for environmental management. In: W.S. Davis and T.P. Simon, eds. Biological assessment and criteria: tools for water resource planning and decision making. Boca Raton, FL: Lewis Publishers.
   Google Scholar
• Pearson, C.P., 1995. Regional frequency analysis of low flows in New Zealand. Journal of Hydrology (New Zealand), 33, 94–122.
   Google Scholar
• Poff, N.L., et al., 1997. The natural flow regime. A paradigm for river conservation and restoration. Bioscience, 47, 769–784.
   Web of Science ®Google Scholar
• Poff, N.L., et al., 2010. The Ecological Limits of Hydrologic Alteration (ELOHA): a new framework for developing regional environmental flow standards. Freshwater Biology, 55, 147–170.
   Web of Science ®Google Scholar
• Postel, S. and Carpenter, S., 1997. Freshwater ecosystem services. In: G.C. Daily, ed. Nature’s services: societal dependence on natural ecosystems. Washington, DC: Island Press.
   Google Scholar
• Pyle, E., et al., 2001. Establishing watershed management in law: New Zealand’s experience. Journal of the American Water Resources Association, 37, 783–792.
   Web of Science ®Google Scholar
• Richter, B., et al., 2006. A collaborative and adaptive process for developing environmental flow recommendations. River Research and Applications, 22, 297–318.
   Web of Science ®Google Scholar
• Rouse, H.L. and Norton, N., 2010. Managing scientific uncertainty for resource management planning in New Zealand. Australasian Journal of Environmental Management, 17, 66–76.
   Web of Science ®Google Scholar
• SKM. 2012. Regional council practice for setting and meeting RMA-based limits for freshwater flows and quality. Christchurch, New Zealand: Sinclair Knight Merz.
   Google Scholar
• Snelder, T.H. and Biggs, B.J.F., 2002. Multi-scale river environment classification for water resources management. Journal of the American Water Resources Association, 38, 1225–1240.
   Web of Science ®Google Scholar
• Snelder, T., Booker, D., and Lamouroux, N., 2011. A method to assess and define environmental flow rules for large jurisdictional regions. Journal of the American Water Resources Association, 47 (4), 828–840.
   Web of Science ®Google Scholar
• Snelder, T.H. and Hughey, K.F.D., 2005. On the use of an ecological classification to improve water resource planning in New Zealand. Environmental Management, 36, 741–756.
   PubMed Web of Science ®Google Scholar
• Snelder, T.H., Weatherhead, M., and Biggs, B.J.F., 2004a. Nutrient concentration criteria and characterization of patterns in trophic state for rivers in heterogeneous landscapes. Journal of the American Water Resources Association, 40, 1–13.
   Web of Science ®Google Scholar
• Snelder, T.H., et al., 2004b. Is the River Environment Classification an improved landscape-scale classification of rivers? Journal of the North American Benthological Society, 23 (3), 580–598.
   Web of Science ®Google Scholar
• SRC (Southland Regional Council), 2010. Regional water plan for Southland. Invercargill, New Zealand: Southland Regional Council. Available from: http://www.es.govt.nz/publications/plans/regional-water-plan/ [Accessed March 2013].
   Google Scholar
• Tharme, R.E., 2003. A global perspective on environmental flow assessment: emerging trends in the development and application of environmental flow methodologies for rivers. River Research and Applications, 19 (5–6), 397–441.
   Web of Science ®Google Scholar
• Vogel, R.M. and Fennessey, N.M., 1995. Flow duration curves: a review of applications in water resources planning. Journal of the American Water Resources Association, 31, 1029–1039.
   Google Scholar
• Vörösmarty, C.J., et al., 2010. Global threats to human water security and river biodiversity. Nature, 467, 555–561.
   PubMed Web of Science ®Google Scholar
• Williams, J.G., 1996. Lost in space: minimum confidence intervals for idealized PHABSIM studies. Transactions of the American Fisheries Society, 125, 458–465.
   Web of Science ®Google Scholar
• Woods, R.A., et al., 2006. Estimating mean flow of New Zealand rivers. Journal of Hydrology (New Zealand), 45, 95–110.
   Google Scholar
• WRC (Waikato Regional Council), 2004. Proposed Waikato regional plan. Hamilton, New Zealand: Waikato Regional Council. Available from: http://www.waikatoregion.govt.nz/Council/Policy-and-plans/Rules-and-regulation/Regional-Plan/ [Accessed March 2013].
   Google Scholar
• WRC (Waikato Regional Council), 2012. Proposed Waikato regional plan: Variation No.6–water allocation. New Zealand: Waikato Regional Council. Hamilton. Available from: http://www.waikatoregion.govt.nz/Council/Policy-and-plans/Rules-and-regulation/Water-allocation- variation/ [Accessed March 2013].
   Google Scholar