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Fish Swimming Dynamics and Behaviour in the Vicinity of a Fish Exclusion Screen

  • Full or part time
  • Application Deadline
    Monday, December 16, 2019
  • Competition Funded PhD Project (European/UK Students Only)
    Competition Funded PhD Project (European/UK Students Only)

Project Description

This PhD project will examine the effectiveness of different fish exclusion screens, to enable fish to safely remain in the main river system and allow safe passage. The screens are used to stop fish entering water abstraction, discharge points and bypass channels, and deter them away from impounded waters that as well as being hazardous, severely impact on their migration cycle. A number of screens are already in use on rivers which comprise of large meshes made of metal or plastic placed across the entrance of the water abstraction inlet/outlet. Little information is known on the efficiency of these screens for different fish species, fish sizes life stages and subsequent ecological impacts in the abstracted waterbody. The main objective of this PhD will be to quantify this aspect through experiments using large scale flumes, which are physical replica of streams, in the hydraulics laboratory at Cardiff University as well as where possible in-situ research on operating screens. The supervisory team is composed of academics from both engineering and biology backgrounds who have a track record of supervising students in this area and in this specific research area.

The successful candidate will develop expertise in Fluid Mechanics, Engineering, Experimental Design, Fisheries Management and Imagery Technology, specifically relating to flow dynamics and freshwater fish.

Studentships will last for 3.5 years full-time or the equivalent period part-time. Applicants must demonstrate an outstanding academic record: at least a 2:1 undergraduate degree or equivalent, or relevant masters degree.

Funding Notes

NERC-funded studentships are subject to UKRI eligibility requirements. Applicants must be a citizen of the UK or other EU country and have been residing in the UK for the last 3 years (apart from temporary or occasional absences).


Applications must be made via the GW4Fresh CDT online application form at:

In addition to this form candidates will also be required to submit an application for postgraduate study via the Cardiff University Online Application Service (sims). GW4Fresh CDT will notify you of the Cardiff University application process once they have received your application and you should complete this second stage before noon on 19th December 2019.

Further information is available at:

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