Research Interests

Research funded by Cleanaway Waste Management Company - University of Southampton

A standard environmental assessment and pollution control methodology was developed to monitor and reduce the impact of leachate discharge on receiving waters. A landfill site in South Waleswas used as a case study for the investigation.

Research funded by the EU’s 6th Framework Programme - University of Southampton

My role within the CROPGEN project was to develop a standardised small-scale biochemical methane potential (BMP) test and determine the BMP values for an array of crops, in order to establish their energy potential.

Research funded by the Scottish Government – Marine Scotland Science (Fisheries Research Service)

I was involved with several projects in the areas of Fishery Science, Freshwater Biology and Hydrology. These studies included, identifying environmental bottlenecks for fish populations in heavily impacted agricultural catchments; the influence of invertebrate drift on fish productivity and growth and the impact of acidification and climate change on fish productivity and growth.

Research funded by the Start up Fund - University of Portsmouth

The term ‘invertebrate drift’ describes the downstream dispersal in the water column of benthic invertebrates that usually live on or amongst the substratum of streams and rivers. Interest in this phenomenon greatly increased when it was shown independently in several countries that downstream dispersal followed a diel rhythmic pattern with most taxa drifting downstream chiefly at night. This early work stimulated many investigations on the mechanisms responsible for invertebrate drift, the role of drift as a dispersal mechanism, and the importance of drift as food for fish, especially salmonids. There are now over 500 publications in this field and several excellent reviews.


I am an environmental engineer involved in the investigation of aquatic ecotoxicology and pollution remediation. The International GAMTOX working group, which I am a member is currently developing a standardised suite of ecotoxiciology tests using Gammarus spp. Gammarus spp. contains more than 200 freshwater, brackish and marine species in the Northern hemisphere and they are important bioindicators for water quality assessment. In the UK Gammarus pulex (freshwater shrimp) are commonly found in clean freshwater systems and this species has been the focus of my research for the past ten years at the Universities of Portsmouth and Southampton.

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