Scientific publications

Jowett, I.G. 1979. Clutha flood of October 1978. Journal of Hydrology N.Z. 18(2): 121-141.

Jowett, I.G., and Hicks, D.M. 1981. Surface suspended and bedload sediment, Clutha River system. Journal of Hydrology N.Z. 20(2): 121-130.

Jowett, I.G. 1982. The incremental approach to studying stream flows: New Zealand case studies. In: McColl, R.H.S. (Ed.), River low flows: conflicts of water use. Ministry of Works and Development Water and Soil Miscellaneous Publication 47: 9-15.

Jowett, I. G., Deverall, K. 1983. The use of a conceptual model to investigate major sources of variability in adult salmon returns to the Hakataramea River, New Zealand. Pacific Science Congress Proceedings 15(1-2).

Jowett, I.G. 1984. Sedimentation in New Zealand hydro-electric schemes. Water International 9: 172-176. download

Mosley, M.P. and Jowett, I.G. 1985. Fish habitat analysis using river flow simulation. New Zealand Journal of Marine and Freshwater Research 19: 293-309. download

Irvine, J.R., Jowett, I.G., and Scott, D. 1986. A test of the instream flow incremental methodology for underyearling rainbow trout (Salmo gairdnerii Richardson) in man-made New Zealand stream. New Zealand Journal of Marine and Freshwater Research 21: 35-40. download

Jowett, I.G. 1987. Fish passage, control devices, and spawning channels. In: Henriques, P.R. (Ed.), Aquatic biology and hydroelectric power development in New Zealand. Oxford University Press. pp. 138-155.

Irving, J.R. and Jowett, I.G. 1987. Flow control. In: Henriques, P.R. (Ed.), Aquatic biology and hydroelectric power development in New Zealand. Oxford University Press. pp. 94-112.

Jowett, I.G., and Richardson, J. 1989. Effects of a severe flood on instream habitat and trout populations in seven New Zealand rivers. New Zealand Journal of Marine and Freshwater Research 23: 11-17. download

Jowett, I.G., and Richardson, J. 1990. Microhabitat preferences of benthic invertebrates in a New Zealand river and the development of instream flow habitat models for Deleatidium spp. New Zealand Journal of Marine and Freshwater Research 24: 19-30. download

Jowett, I.G. 1990. Factors related to the distribution and abundance of brown and rainbow trout in New Zealand clear waters. New Zealand Journal of Marine and Freshwater Research 24: 429-440. download

Jowett, I.G., and Duncan, M.J. 1990. Flow variability in New Zealand rivers and its relationship to instream habitat and biota. New Zealand Journal of Marine and Freshwater Research 24: 305-318. download

Biggs, B.J.F., Duncan, M.J., Jowett, I.G., Quinn, J.M., Hickey, C.W. Davies-Colley, R.J., and Close, M.E. 1990. Ecological characterisation, classification, and modelling of New Zealand rivers: an introduction and synthesis. New Zealand Journal of Marine and Freshwater Research 24: 277-304. download

Jowett, I.G., Richardson, J., Biggs, B.J.F., and Quinn, J.M. 1991. Microhabitat preferences of benthic invertebrates and the development of generalised Deleatidium spp. habitat suitability curves applied to four New Zealand rivers. New Zealand Journal of Marine and Freshwater Research 25: 187-199. download

Jowett, I. G. 1992. Modelling and predicting instream flow requirements - a New Zealand perspective. In: Pigram, J. J. and Hooper, B. P. (eds) Water Allocation for the environment - proceedings of an international seminar and workshop. University of New England, Armidale, Australia. pp 77-88.

Jowett, I.G. 1992. Models of the abundance of large brown trout in New Zealand rivers. North American Journal of Fisheries Management 12:417-432. download

Jowett, I.G. 1993. A method of objectively identifying pool, run, and riffle habitats from physical measurements. New Zealand Journal of Marine and Freshwater Research 27:241-248. download

Jowett, I. G. 1993. River hydraulics and instream habitat modelling for river biota.In: Mosley, M. P. (ed) Waters of New Zealand. New Zealand Hydrological Society. pp 249-263.

Mosley, M. P., Jowett, I. G., Tomlinson, A. I. 1993. Hydrological data, information, and engineering applications.In: Mosley, M. P. (ed) Waters of New Zealand. New Zealand Hydrological Society. pp 29-61.

Hayes, J. W., Jowett, I. G. 1994. Microhabitat models of large drift-feeding brown trout in three New Zealand rivers. North American Journal of Fisheries Management 14:710-725. download

Jowett, I. G., Richardson, J. 1994. Comparison of habitat use by fish in normal and flooded river conditions. New Zealand Journal of Marine and Freshwater Research 28:409-416. download

Jowett, I. G., 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. download

Jowett, I. G. 1995. Spatial and temporal variability in brown trout abundance: A test of regression models. Rivers 5:1-12.

Jowett, I. G.; Richardson, J. 1996: Distribution and abundance of freshwater fish in New Zealand rivers. New Zealand journal of marine and freshwater research 30: 239-255. download

Jowett, I. G.; Richardson, J.; McDowall R. M. 1996: Relative effects of in-stream habitat and land use on fish distribution and abundance in tributaries of the Grey River, New Zealand. New Zealand journal of marine and freshwater research 30: 463-475. download

Jowett, I. G. 1997: Instream flow methods: a comparison of approaches. Regulated rivers 13: 115-127. download

Jowett, I. G.; Biggs, B. J. F. 1997: Flood and velocity effects on periphyton and silt accumulation in two New Zealand rivers. New Zealand Journal of Marine and Freshwater Research 31: 287-300. download

Jowett, I. G. 1997: Environmental effects of extreme flows. In: Mosley, M. P.; Pearson, C. P. (Eds.), Floods and droughts: the New Zealand experience. Caxton Press, Christchurch. pp. 103-116.

Jowett, I. G. 1998: Hydraulic geometry of New Zealand rivers and its use as a preliminary method of habitat assessment. Regulated Rivers 14: 451-466. download

Jowett, I. G.; Hayes, J. W.; Deans, N.; Eldon, G. A. 1998. Comparison of fish communities and abundance in unmodified streams of Kahurangi National Park with other areas of New Zealand. New Zealand Journal of Marine and Freshwater Research 32: 307-322. download

Dedual, M.; Jowett, I. G. 1999. Movement of rainbow trout (Oncorhynchus mykiss) during the spawning migration in the Tongariro River, New Zealand. New Zealand Journal of Marine and Freshwater Research 33: 107-117. download

Mosley, P.; Jowett I. 1999. River morphology and management in New Zealand. Progress in Physical Geography 23(4): 541-565.

Jowett, I. 2000. Flow Management. In: Collier, K. J.; Winterbourn, M. J. eds New Zealand stream invertebrates: ecology and implications for management. New Zealand Limnological Society, Christchurch. Pp. 289-312.

Jowett, I. G. 2001. Effect of floods and droughts on fish in a New Zealand gravel-bed river. Pp 451-464 in Mosley, M. P. (ed.) Gravel-bed rivers V. Wellington, New Zealand Hydrological Society.

Jowett, I. G.; Boustead, N. C. 2001. Effects of substrate and sedimentation on the abundance of upland bullies (Gobiomorphus breviceps). New Zealand Journal of Marine and Freshwater Research 35: 605-613. download

Suren, A. M.; Jowett, I. G. (2001). Effects of deposited sediment on invertebrate drift: an experimental study. New Zealand Journal of Marine and Freshwater Research 35: 725-738. download

Richardson, J.; Jowett, I.G. (2002). Effects of sediment on fish communities in East Cape streams, North Island, New Zealand. New Zealand Journal of Marine and Freshwater Research 36(2): 431–442. download

Jowett, I. G. 2002. In-stream habitat suitability criteria for feeding inanga (Galaxias maculatus). New Zealand Journal of Marine and Freshwater Research 36: 399-407. download

Baker, C. F., Jowett, I. G. and Allibone, R. M. (2003). Habitat use by non-migratory Otago galaxiids and implications for water management. Science for Conservation 221, 34 p.

Jowett, I. G.; 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. download

Jowett, I. G. 2003. Hydraulic constraints on habitat suitability for benthic invertebrates in gravel-bed rivers. River Research and Applications 19: 495-507. download

Nikora, V. I.; Aberle, J.; Biggs, B. J. F., Jowett, I. G.; Sykes, J. R. E. 2003. Effects of fish size, time-to-fatigue and turbulence on swimming performance: a case study of Galaxias maculatus. Journal of Fish Biology 63: 1365–1382. download

Jowett, I. G.; Mosley, M. P. 2004. Analysis of instream values. In M.P. Mosley; J. Harding; C.P. Pearson & B. Sorrel (eds) Freshwaters of New Zealand. Christchurch, Caxton Press. Pp 43.1-43.20.

Clausen, B.; Jowett, I. G.; Biggs, B. J. F.; Moeslund, B. 2004. Stream ecology and flow management. Pages 411-453 in: Tallaksen, L. M.; Van Lanen, H. A. J. (eds) Developments in water science 48. Elsevier.

Jowett, I.G.; Richardson, J.; Bonnett, M.L. 2005. Relationship between flow regime and fish abundances in a gravel-bed river, New Zealand. Journal of Fish Biology 66:1-18. download

West, D.W.; Jowett, I.G.; Richardson, J. (2005). Growth, diet, movement, and abundance of adult banded kokopu (Galaxias fasciatus) in five Coromandel, New Zealand streams. New Zealand Journal of Marine and Freshwater Research 39: 915-929. download

Lamouroux, N.; Jowett, I.G. 2005. Generalized instream habitat models. Canadian Journal of Fisheries and Aquatic Sciences 62: 7-14. download

Suren, A. M..; Jowett, I.G. 2006. Effects of floods versus low flows on invertebrates in a New Zealand gravel-bed river. Freshwater Biology 51: 2207-2227. download

Jowett, I.G.; Biggs, B.J.F. 2006. Flow regime requirements and the biological effectiveness of habitat-based minimum flow assessments for six rivers. Journal of River Basin Management 4(3): 179-189. download

Jowett, I.G.; Davey, A.J.H. 2007. A comparison of composite habitat suitability indices and generalized additive models of invertebrate abundance and fish presence–habitat availability. Transactions of the American Fisheries Society 136: 428–444. download

Schweizer, S.; Borsuk, M.E.; Jowett, I.G.; Reichert, P. (2007). Predicting joint frequency distributions of depth and velocity for instream habitat assessment. River Research and Applications 23: 287-302.

Jowett IG, Parkyn SM, Richardson J. 2008. Habitat characteristics of crayfish (Paranephrops planifrons) in New Zealand streams using generalised additive models (GAM). Hydrobiologia 596: 353-365.

Biggs, B.J.F., Ibbitt, R.P., Jowett, I.G. 2008. Determination of flow regimes for protection of in-river values in New Zealand: an overview Ecohydrol. Hydrobiol. 8, 17-29. DOI: 10.2478/v10104-009-0002-3. download

Jowett, I.G.; Biggs, B.J.F. (2008). Application of the ‘natural flow paradigm’ in a New Zealand context. River Research and Applications 25: 1126-1135. download

Jowett, I.G.; Richardson, J.; Boubee, J.A.T. (2009). Effects of riparian manipulation on stream communities in small streams: two case studies. New Zealand Journal of Marine and Freshwater Research 43: 763-774. download

Elliott, A.H.; Spigel, R.H.; Jowett, I.G. , Shankar, S.U; Ibbitt, R.P. (2010). Model application to assess effects of urbanisation and distributed flow controls on erosion potential and baseflow hydraulic habitat. Urban Water Journal, 7: 91-107. download

Jowett, I.G.; Duncan M.J. (2011). Effectiveness of 1D and 2D hydraulic models for instream habitat analysis in a braided river. Ecological Engineering 48: 92:100.

McBride, G.; Cole, R.G.; Westbrooke, I; Jowett, I. (2013). Assessing environmentally significant effects: a better strength-of-evidence than a single P value? Environmental Monitoring Assessment, 2014 May;186(5):2729-40. doi: 10.1007/s10661-013-3574-8. Epub 2013 Dec 20.

Hayes, J. W.; Shearer, K. A.; Goodwin, E. O.; Hay, J.; Allen, C.; D. A. Olsen; Jowett, I. G. (2014). Test of a benthic macroinvertebrate habitat—flow time series model incorporating disturbance and recovery processes. River Research and Applications, DOI: 10.1002/rra.2773.

Shearer, KA ; Hayes, JW ; Jowett, IG; Olsen, DA (2015): Habitat suitability curves for benthic macroinvertebrates from a small New Zealand river, New Zealand Journal of Marine and Freshwater Research, DOI: 10.1080/00288330.2014.988632.

Jowett, I.G.; Hayes, J.W.; Neuswanger, J 2021. Salmonid bioenergetic drift-foraging: swimming costs and capture success, Journal of Ecohydraulics, VOL. 6, NO. 2, 186–197.