Richard Muirhead

Science Team Leader-Environmental Science

E: richard.muirhead@agresearch.co.nz

Publications

Muirhead RW (2015) A farm-scale risk-index for reducing fecal contamination of surface waters. Journal of Environmental Quality 44: 248-255.

Rapp D, Ross C, Cave V, Muirhead RW (2013) Prevalence, concentration and genotypes of Campylobacter jejuni in feces from dairy herds managed in farm systems with or without housing. Journal of Applied Microbiology 78: 7564-7571.

Rapp D, Ross C, Pleydell E, Muirhead RW (2012) Differences in the faecal concentration and genetic diversity of Camplyobacter jejuni populations among individual cows in two dairy herds. Applied and Environmental Microbiology 78(21): 7564-7571.

Muirhead RW, Monaghan RM (2012) A two reservoir model to predict Escherichia coli losses to water from pastures grazed by dairy cows. Environment International 40(2): 8-14.

Muirhead RW, Elliot AH, Monaghan RM (2011) A model framework to assess the effect of dairy farms and wild fowl on microbial water quality during base-flow. Water Research 45(9): 2863-2874.

Stott R, Davies-Colley R, Nagels J, Donnison A, Ross C, Muirhead RW (2010) Differential behaviour of Escherichia coli and Campylobacter in a stream draining diary pasture. Journal of Water and Health 9(1): 59-69.

Muirhead RW, Littlejohn RP (2009) Die-off of Escherichia coli in intact and disrupted cowpats. Soil Use and Management 25: 389-394.

Muirhead RW (2009) Soil and faecal material reservoirs in a grazed pasture. New Zealand Journal of Agricultural Research 52: 1-8.

Monaghan RM, de Klein CAM, Muirhead RW (2008) Prioritisation of farm scale remediation efforts for reducing losses of nutrients and faecal indicator organisms to waterways: a case study of New Zealand dairy farming. Journal of Environmental Management 87(4): 609-622.

Muirhead RW, Davies-Colley RJ, Donnison AM Nagels JW (2004) Faecal bacterial yields in artificial flood events: quantifying in-stream stores. Water Research 38: 1215-1224.