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- Richard William Muirhead, R. P. Collins, Philip James Bremer
- Applied and environmental microbiology
- 2005
Processes by which fecal bacteria enter overland flow and their transportation state to surface waters are poorly understood, making the effectiveness of measures designed to intercept this pathway,… (More)
- Ross Martin Monaghan, Cecile A. M. de Klein, Richard William Muirhead
- Journal of environmental management
- 2008
The international competitiveness of the New Zealand (NZ) dairy industry is built on low cost clover-based systems and a favourable temperate climate that enables cows to graze pastures mostly all… (More)
- Richard William Muirhead, Robert J. Davies-Colley, A. M. Donnison, John W. Nagels
- Water research
- 2004
Stream sediments have been recognised as an in-channel store of faecal contamination that can be mobilised during floods or other sediment-disturbing events. We studied this store of faecal… (More)
- John W. Nagels, Robert J. Davies-Colley, A. M. Donnison, Richard William Muirhead
- Water science and technology : a journal of the…
- 2002
Faecal bacterial dynamics during flood events were studied in the Topehaehae Stream near Morrinsville, New Zealand, in a catchment used for grazing dairy and beef cattle. During the rising limb of a… (More)
- Richard William Muirhead, R. P. Collins, Philip James Bremer
- Letters in applied microbiology
- 2006
AIMS
To investigate the number of Escherichia coli in runoff derived directly from fresh cowpats and to determine if the E. coli are attached to dense particles, in flocs or as individual cells.
… (More)
- Kyung Hwa Cho, Yakov A. Pachepsky, +4 authors Daniel R. Shelton
- Water research
- 2016
Natural waters serve as habitat for a wide range of microorganisms, a proportion of which may be derived from fecal material. A number of watershed models have been developed to understand and… (More)
- Richard William Muirhead, Ross Martin Monaghan
- Environment international
- 2012
Animal agriculture has been identified as an important source of diffuse faecal microbial pollution of water. Our current understanding of the losses of faecal microbes from grazed pasture systems is… (More)
- D Rapp, John S. Waller, G Brightwell, Richard William Muirhead
- Applied and environmental microbiology
- 2010
Lyophilization was used to concentrate bovine feces prior to DNA extraction and analysis using real-time PCR. Lyophilization significantly improved the sensitivity of detection compared to that in… (More)
- Richard William Muirhead, Alexander H. Elliott, Ross Martin Monaghan
- Water research
- 2011
There is concern regarding microbial water quality in many pastoral catchments in New Zealand which are home to numerous livestock and wild animals. Information on microbial impacts on water quality… (More)
- Richard William Muirhead, R. P. Collins, Philip James Bremer
- Water science and technology : a journal of the…
- 2006
The removal of E. coli from overland flow under saturation-excess runoff conditions was investigated in experimental field plots that were 1 m wide and 5 m long. Variation in the attenuation of… (More)