1. 2012
2. Bioreduction : an alternative strategy for storing fallen stock prior to disposal

   Gwyther, C. (Author), Williams, P. (Supervisor), Jan 2012

   Student thesis: Doctor of Philosophy

3. Survival and transport of Escherichia coli in the aquatic environment

   Goude, P. (Author), Williams, P. (Supervisor), Jan 2012

   Student thesis: Doctor of Philosophy

4. 2015
5. Developing in-situ and real-time methods of soil nitrogen determination

   Shaw, R. (Author), Williams, A. (Supervisor), Jan 2015

   Student thesis: Doctor of Philosophy

6. Reducing the carbon footprint of red meat

   Hyland, J. (Author), Williams, A. (Supervisor) & Jones, D. (Supervisor), Jan 2015

   Student thesis: Doctor of Philosophy

7. Increasing agricultural grass production using novel bio-inoculants

   Owen, D. (Author), Williams, A. (Supervisor) & Withers, P. (Supervisor), 12 Oct 2015

   Student thesis: Doctor of Philosophy

8. 2018
9. Riparian areas: Delineation and contribution to ecosystem service provision

   Lozano de Sosa Miralles, L. (Author), Jones, D. L. (Supervisor) & Williams, A. (Supervisor), Jan 2018

   Student thesis: Doctor of Philosophy

10. 2019
11. Understanding the Role of Wastewater in the Spread of Antibiotic Resistant Bacteria

    Bashawri, Y. M. A. (Author), Williams, P. (Supervisor), Chigor, V. N. (Supervisor), McDonald, J. (Supervisor), Williams, M. (Supervisor) & Jones, D. L. (Supervisor), 30 Jul 2019

    Student thesis: Doctor of Philosophy

12. 2020
13. Impact of shelter on sheep behaviour during the neonatal period

    Pritchard, C. (Author), Williams, P. (Supervisor), Smith, A. (Supervisor), Davies, P. (Supervisor) & Jones, D. (Supervisor), 7 Jul 2020

    Student thesis: Masters by Research

14. The environmental cost-benefits of improving pasture productivity on upland cattle systems

    Williams, N. (Author), Williams, P. (Supervisor) & Gibbons, J. (Supervisor), 9 Dec 2020

    Student thesis: Doctor of Philosophy

15. 2021
16. Climate change and Welsh catchments: Implications for hydrological regime, water quality and water abstraction

    Dallison, R. (Author), Patil, S. (Supervisor) & Williams, P. (Supervisor), 2021

    Student thesis: Doctor of Philosophy

17. Improving crop phosphorus uptake through use of bioinoculants

    Tyler, L. (Author), Williams, P. (Supervisor) & Griffith, G. W. (Supervisor), 2 Jun 2021

    Student thesis: Doctor of Philosophy

18. Analysing the water-energy nexus: Benchmarking efficiency in water services

    Walker, N. (Author), Williams, P. (Supervisor) & Styles, D. (Supervisor), 16 Aug 2021

    Student thesis: Doctor of Philosophy

19. 2022

20. Environmental impacts in the water-energy nexus: quantification and mitigation in the food and drink sector

    Schestak, I. (Author), Williams, P. (Supervisor) & Styles, D. (Supervisor), 13 Jan 2022

    Student thesis: Doctor of Philosophy

21. 2024
22. Strategies to reach zero carbon beef and sheep production on Welsh farms

    McNicol, L. (Author), Williams, A. (Supervisor), Chadwick, D. (Supervisor), Styles, D. (Supervisor) & Rees, R. M. (Supervisor), 7 Jun 2024

    Student thesis: Doctor of Philosophy