Dr Prysor Williams

Uwch Ddarlithydd mewn Rheolaeth Amgylcheddol

Contact info

Lleoliad: F5a Thoday, Ysgol y Gwyddorau Naturiol ac Amgylcheddol, Prifysgol Bangor

E-bost: prysor.williams@bangor.ac.uk

Ffôn: 01248 382 637

X/Twitter: @PrysorWilliams

  1. 2016
  2. Cyhoeddwyd

    Improving livestock production efficiencies presents a major opportunity to reduce sectoral greenhouse gas emissions

    Hyland, J., Styles, D., Jones, D. & Williams, A., 1 Medi 2016, Yn: Agricultural Systems. 147, t. 123-131

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Effectiveness of a wool based packaging system on the abundance of surface spoilage microorganisms on meat products

    Lahmer, R. A., Morris, A., Curling, S., Ormondroyd, G., Jones, D. & Williams, A., Mai 2016, Yn: Assiut Journal of Agricultural Sciences (AJAS). 47, 2, t. 24-28

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  4. 2015
  5. Cyhoeddwyd

    Inventory compilation for renewable energy systems: the pitfalls of materiality thresholds and priority impact categories using hydropower case studies

    Gallagher, J., Styles, D., McNabola, A. & Williams, A. P., 15 Hyd 2015, Yn: International Journal of Life Cycle Assessment. 20, 12, t. 1701-1707

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    Cattle feed or bioenergy? Consequential life cycle assessment of biogas feedstock options on dairy farms

    Styles, D., Gibbons, J., Williams, A. P., Stichnothe, H., Chadwick, D. R. & Healey, J. R., 10 Awst 2015, Yn: Global Change Biology Bioenergy. 7, 5, t. 1034–1049

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    Farmers’ perceptions of climate change: identifying types

    Hyland, J., Jones, D., Parkhill, K. A., Barnes, A. P. & Williams, A., 13 Mai 2015, Yn: Agriculture and Human Values. 33, 2, t. 323-339

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    Current and Future Environmental Balance of Small-Scale Run-of-River Hydropower

    Gallagher, J., Styles, D., McNabola, A. & Williams, A. P., 24 Ebr 2015, Yn: Environmental Science and Technology. 49, 10, t. 6344-6351

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    A strategic assessment of micro-hydropower in the UK and Irish water industry: Identifying technical and economic constraints

    Gallagher, J., Harris, I. M., Packwood, A. J., McNabola, A. & Williams, A. P., 20 Ebr 2015, Yn: Renewable Energy. 81, t. 808-815

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    Life cycle environmental balance and greenhouse gas mitigation potential of micro-hydropower energy recovery in the water industry

    Gallagher, J., Styles, D., McNabola, A. & Williams, A. P., 11 Maw 2015, Yn: Journal of Cleaner Production. 99, t. 152-159

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Consequential life cycle assessment of biogas, biofuel and biomass energy options within an arable crop rotation

    Styles, D., Gibbons, J., Williams, A. P., Dauber, J., Stichnothe, H., Urban, B., Chadwick, D. R. & Jones, D. L., 26 Chwef 2015, Yn: GCB Bioenergy. 7, 6, t. 1305-1320

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. 2014
  13. Cyhoeddwyd

    Use of commercial bio-inoculants to increase agricultural production through improved phophorous acquisition.

    Oween, D., Williams, A. P., Griffith, G. W. & Withers, P. J., 17 Hyd 2014, Yn: Applied Soil Ecology. 86, t. 41-54

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    Assessing Soil Nitrogen Availability using Microdialysis-Derived Diffusive Flux Measurements

    Shaw, R., Williams, A. & Jones, D., 25 Medi 2014, Yn: Soil Science Society of America Journal. 78, 5, t. 1797-1803

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    A quantitative risk assessment for the safety of carcase storage systems for scrapie infected farms

    Adkin, A., Jones, D. L., Eckford, R. L., Edwards-Jones, G. & Williams, A. P., 21 Gorff 2014, Yn: Journal of Applied Microbiology. 117, 4, t. 940-948

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    Energy recovery in the water industry: an assessment of the potential of micro-hydropower

    McNabola, A., Coughlin, P. & Williams, A. P., 1 Meh 2014, Yn: Water and Environment Journal. 28, 2, t. 294-304

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. Cyhoeddwyd

    Sustainable nutrient management at field, farm and regional level: Soil testing, nutrient budgets and the trade-off between lime application and greenhouse gas emissions

    Gibbons, J. M., Williamson, J. C., Williams, A. P., Withers, P. J., Hockley, N., Harris, I. A., Hughes, J. W., Taylor, R. L., Jones, D. L. & Healey, J. R., 15 Ebr 2014, Yn: Agriculture, Ecosystems and Environment. 188, t. 48-56

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    Changes in the physicochemical properties and enzymatic activity of waste during bioreduction of pig carcasses

    Gwyther, C. L., Jones, D. L., Gertler, C., Edwards-Jones, G. & Williams, A. P., 28 Chwef 2014, Yn: Environmental Technology. 35, 15, t. 1904-1915

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Energy recovery in the water industry using micro-hydropower: an opportunity to improve sustainability

    McNabola, A., Coughlan, P., Corcoran, L., Power, C., Williams, A. P., Harris, I., Gallagher, J. & Styles, D., 1 Chwef 2014, Yn: Water Policy. 16, 1

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    Susceptibility of Escherichia coli O157 to chitosan-arginine in beef liquid purge is affected by bacterial cell growth phase

    Lahmer, R. A., Jones, D. L., Townsend, S., Baker, S. & Williams, A. P., 1 Chwef 2014, Yn: International Journal of Food Science and Technology. 49, t. 515-520

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. 2013
  22. Cyhoeddwyd

    Subclinical infection and asymptomatic carriage of gastrointestinal zoonoses: occupational exposure, environmental pathways, and the anonymous spread of disease

    Quilliam, R. S., Cross, P., Williams, A. P., Edwards-Jones, G., Salmon, R. L., Rigby, D., Chalmers, R. M., Thomas, D. R. & Jones, D. L., 1 Hyd 2013, Yn: Epidemiology and Infection. 141, 10, t. 2011-2021

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygl adolyguadolygiad gan gymheiriaid

  23. Cyhoeddwyd

    Absence of Escherichia coli 0157:H7 in sheep and cattle faeces in North Wales

    Alhefli, N. A., Adam, H., Jones, D. & Williams, P., 10 Awst 2013, Yn: Veterinary Record. 173, 6, t. 143-143

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    Declining reactivation ability of Escherichia coli O157 following incubation within soil

    Williams, A. P., Gordon, H. E., Jones, D. L., Killham, K., Strachan, N. J. & Forbes, K. J., 1 Awst 2013, Yn: Soil Biology and Biochemistry. 63, t. 85-88

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    Assessing the Potential for Ion Selective Electrodes and Dual Wavelength UV Spectroscopy as a Rapid on-Farm Measurement of Soil Nitrate Concentration

    Shaw, R., Williams, A., Miller, A. & Jones, D., 2 Gorff 2013, Yn: Agriculture. 3, 3, t. 327-341

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    Bioreduction of Sheep Carcasses Effectively Contains and Reduces Pathogen Levels under Operational and Simulated Breakdown Conditions

    Golyshin, P., Gwyther, C. L., Jones, D. L., Golyshin, P. N., Edwards-Jones, G., McKillen, J., McNair, I., McDonald, J. E. & Williams, A. P., 21 Mai 2013, Yn: Environmental Science and Technology. 47, 10, t. 5267–5275

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    The role of the natural environment in the emergence of antibiotic resistance in Gram-negative bacteria

    Wellington, E. M., Boxall, A. B., Cross, P., Feil, E. J., Gaze, W. H., Hawkey, P. M., Johnson-Rollings, A. S., Jones, D. L., Otten, W., Thomas, C. M. & Williams, A. P., 1 Chwef 2013, Yn: Lancet Infectious Diseases. 13, 2, t. 155-165

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. 2012
  29. Cyhoeddwyd

    Replacing inorganic fertilizer with anaerobic digestate may maintain agricultural productivity at less environmental cost

    Walsh, J. J., Jones, D. L., Edwards-Jones, G. & Williams, A. P., 1 Rhag 2012, Yn: Journal of Plant Nutrition and Soil Science. 175, 6, t. 840-845

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Combining risk assessment and epidemiological risk factors to elucidate the sources of human E. coli O157 infection

    Rotariu, O., Ogden, I. D., MacRitchie, L., Forbes, K. J., Williams, A. P., Cross, P., Hunter, C. J., Teunis, P. F. & Strachan, N. J., 1 Medi 2012, Yn: Epidemiology and Infection. 140, 08, t. 1414-1429

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    Survival and metabolic activity of lux-marked Escherichia coli O157:H7 in different types of milk

    Alhelfi, N. A., Lahmer, R. A., Jones, D. & Williams, A. P., Awst 2012, Yn: Journal of Dairy Research. 79, 3, t. 257-261

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    Antibacterial action of chitosan-arginine against Escherichia coli O157 in chicken juice

    Lahmer, R. A., Williams, A. P., Townsend, S., Baker, S. & Jones, D. L., 1 Gorff 2012, Yn: Food Control. 26, 1, t. 206-211

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. Cyhoeddwyd

    Influence of Land Use and Nutrient Flux on Metabolic Activity of E. coli O157 in River Water

    Williams, A. P., Quilliam, R. S., Thorn, C. E., Cooper, D., Reynolds, B. & Jones, D. L., 1 Gorff 2012, Yn: Water, Air and Soil Pollution. 223, 6, t. 3077-3083

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  34. Cyhoeddwyd

    Fate of pathogens in a simulated bioreduction system for livestock carcasses

    Golyshin, P., Gwyther, C. L., Jones, D. L., Golyshin, P. N., Edwards-Jones, G. & Williams, A. P., 1 Mai 2012, Yn: Waste Management. 32, 5, t. 933-938

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  35. Cyhoeddwyd

    Fungal and bacterial growth following the application of slurry and anaerobic digestate of livestock manure to temperate pasture soils

    Walsh, J. J., Rousk, J., Edwards-Jones, G., Jones, D. L. & Williams, A. P., 3 Ebr 2012, Yn: Biology and Fertility of Soils. 48, 8, t. 889-897

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    Lettuce Cultivar Mediates Both Phyllosphere and Rhizosphere Activity of Escherichia coli O157:H7

    Quilliam, R., Williams, P. & Jones, D. L., 16 Maw 2012, Yn: PLoS ONE. 7, 3, t. e33842

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. Cyhoeddwyd

    Seroprevalence and Risk Factors Associated with Escherichia coli O157 in a Farming Population

    Quilliam, R. S., Chalmers, R. M., Williams, A. P., Chart, H., Willshaw, G. A., Kench, S. M., Edwards-Jones, G., Evans, J., Thomas, D. R., Salmon, R. L. & Jones, D. L., 1 Maw 2012, Yn: Zoonoses and Public Health. 59, 2, t. 83-88

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. 2011
  39. Cyhoeddwyd

    Grazing intensity is a poor indicator of waterborne Escherichia coli O157 activity

    Thorn, C. E., Quilliam, R., Williams, P., Malham, S., Cooper, D. M., Jones, D. L. & Reynolds, B., 1 Rhag 2011, Yn: Anaerobe. 17, 6

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    The environmental and biosecurity characteristics of livestock carcass disposal methods: a review.

    Gwyther, C. L., Williams, A. P., Golyshin, P. N., Edwards-Jones, G. & Jones, D. L., 1 Ebr 2011, Yn: Waste Management. 31, 4, t. 767-778

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Unearthing human pathogens at the agricultural–environment interface: A review of current methods for the detection of Escherichia coli O157 in freshwater ecosystems

    Quilliam, R. S., Williams, A. P., Avery, L. M., Malham, S. & Jones, D. L., 1 Maw 2011, Yn: Agriculture, Ecosystems and Environment. 140, 3-4, t. 354-360

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. Cyhoeddwyd

    Escherichia coli O157: comparing awareness of rural residents and visitors in livestock farming areas

    Jones, C. D., Hunter, C., Williams, A. P., Strachan, N. J. & Cross, P., 7 Ion 2011, Yn: Epidemiology and Infection. 139, 10, t. 1522-1530

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. 2010
  44. Cyhoeddwyd

    Microbiological quality of chicken wings damaged on the farm or in the processing plant.

    Malpass, M. C., Williams, A. P., Jones, D. L. & Omed, H. M., 1 Meh 2010, Yn: Food Microbiology. 27, 4, t. 521-525

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    The prevalence of non-treatment of sheep scab in Wales and the economic cost to the livestock industry: Final Report.

    Cross, P., Edwards-Jones, G., Omed, H. M. & Williams, A. P., 1 Ion 2010, 2010 gol. Unknown.

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwn

  46. Cyhoeddwyd

    Use of a Randomized Response Technique to obtain sensitive information on animal disease prevalence

    Cross, P., Edwards-Jones, G., Omed, H. & Williams, A. P., 1 Ion 2010, Yn: Preventive Veterinary Medicine. 96, 3-4, t. 252-262

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. 2009
  48. Cyhoeddwyd

    Communication of bluetongue mitigation techniques.

    Cross, P., Williams, P. & Edwards-Jones, G., 21 Tach 2009, Yn: Veterinary Record. 165, 21, t. 636

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Differences in the perceptions of farmers and veterinary surgeons about the efficacy of mitigation strategies for controlling bluetongue.

    Cross, P., Williams, A. P. & Edwards-Jones, G., 3 Hyd 2009, Yn: Veterinary Record. 165, 14, t. 397-403

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    In-vessel bioreduction provides an effective storage and pre-treatment method for livestock carcasses prior to final disposal

    Edwards-Jones, G., Jones, D. & Williams, A., 1 Medi 2009, Yn: Bioresource Technology. 100, t. 4032-4040 9 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  51. Cyhoeddwyd

    Heat and lime-treatment as effective control methods for E.coli 0157:H7 in organic wastes

    Avery, L. M., Williams, P., Killham, K. & Jones, D. L., 1 Mai 2009, Yn: Bioresource Technology. 100, 10, t. 2692-2698

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  52. 2008
  53. Cyhoeddwyd

    Moisture, sawdust, and bleach regulate the persistence of Escherichia coli O157:H7 on floor surfaces in butcher shops

    Williams, A. P., Avery, L. M., Killham, K. & Jones, D. L., 1 Rhag 2008, Yn: Food Control. 19, 12, t. 1119-1125

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  54. Cyhoeddwyd

    Leaching of bioluminescent Escherichia coli O157:H7 from sheep and cattle faeces during simulated rainstorm events

    Williams, A. P., Gordon, H., Jones, D. L., Strachan, N. J., Avery, L. M. & Killham, K., 1 Tach 2008, Yn: Journal of Applied Microbiology. 105, 5, t. 1452-1460

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  55. Cyhoeddwyd

    Persistence and metabolic activity of Escherichia coli O157:H7 in farm animal faeces

    Williams, A. P., McGregor, K. A., Killham, K. & Jones, D. L., 1 Hyd 2008, Yn: FEMS Microbiology Letters. 287, 2, t. 168-173

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  56. Cyhoeddwyd

    Survival of Escherichia coli, O157 : H7 in waters from lakes, rivers, puddles and animal-drinking troughs.

    Avery, L. M., Williams, P., Killham, K. & Jones, D. L., 25 Ion 2008, Yn: Science of the Total Environment. 389, 2-3, t. 378-385

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  57. Cyhoeddwyd

    Bioreduction of fallen stock – An evaluation of in-vessel bioreduction for containment of sheep prior to disposal: Final report

    Williams, A. P., Edwards-Jones, G. & Jones, D. L., 1 Ion 2008, 2008 gol. Unknown.

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwn

  58. Cyhoeddwyd

    Chicken wing microbiology: finger licking good?

    Williams, A. P., 1 Ion 2008.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  59. Cyhoeddwyd

    How to compost a sheep.

    Williams, A. P., 1 Ion 2008.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur