Part of EU-funded Research group SEACAMS2 working within research and development alongside industry partners within the marine and coastal sectors, particularly marine renewables. Over 8 years working as part of a research project with extensive experience across marine and coastal research fields. Currently working across two research fields, coastal engineering and open water, conducting research into environmental impacts of marine renewable energy (MRE) devices and potential effects on marine mammals.

Specialist expertise in; cetacean acoustic monitoring (static and towed methods), UAV's (drone operator), GIS, mapping and aerial imagery, sediment-related heavy metals, sediment transport and storage, floodplain processes and dynamics, geomorphology, flood and coastal risk management, environmental management, and X-Ray Fluorescence.

Member of Biosciences Athena SWAN Charter.


  1. Callaway, R., Shinn, A., Grenfell, S., Bron, J., Burnell, G., Cook, E., Crumlish, M., Culloty, S., Davidson, K., Ellis, R., Flynn, K., Fox, C., Green, D., Hays, G., Hughes, A., Johnston, E., Lowe, C., Lupatsch, I., Malham, S., Mendzil, A., Nickell, T., Pickerell, T., Rowley, A., Stanley, M., Tocher, D., Turnbull, J., Webb, G., Wootton, E., Shields, R. Review of climate change impacts on marine aquaculture in the UK and Ireland Aquatic Conservation: Marine and Freshwater Ecosystems 22 3 389 421
  2. Callaway, R., Grenfell, S., Bertelli, C., Mendzil, A., Moore, J. Size, distribution and sediment biodeposition of prolific bivalves in small estuaries Estuarine, Coastal and Shelf Science
  3. Nuuttila, H., Mendzil, A. Development of videographic methods for measuring distance from vantage point to porpoise sightings in Ramsey Sound Marine Energy Pembrokeshire Annual Industry Seminar 2015
  4. Grenfell, S., Callaway, R., Grenfell, M., Bertelli, C., Mendzil, A., Tew, I., Callaway, R., Bertelli, C., Mendzil, A. Will a rising sea sink some estuarine wetland ecosystems? Science of The Total Environment 554-555 276 292
  5. Bertelli, C., Robinson, M., Mendzil, A., Pratt, L., Unsworth, R. Finding some seagrass optimism in Wales, the case of Zostera noltii Marine Pollution Bulletin
  6. Nuuttila, H., Bertelli, C., Mendzil, A., Dearle, N. Seasonal and diel patterns in cetacean use and foraging at a potential marine renewable energy site Marine Pollution Bulletin


  • BIO346 Professional Skills in Marine Biology

    This field-based module will introduce students to the professional techniques utilised to monitor and study marine life in a variety of marine and coastal habitats and in relation to conservation management and biodiversity monitoring in the United Kingdom. The course places a strong emphasis on marine ecological census techniques. Students will learn key skills relevant to the marine ecology sector including protected and economically-important species (especially marine mammals, fish, shellfish, coastal birds), Phase 1 habitat surveys and water quality surveys. Students will also learn about the biotic and abiotic factors that define different UK habitats and relevant regulations that protect them. The module provides an introduction to the Environmental Impact Assessment (EIA) process and a range of impacts on the marine environment including energy generation and pollution. Participants in this module will work in groups acting as a marine environmental consultancy and the class will be responsible for producing key survey results for an Environmental Impact Assessment (EIA) and public engagement presentation for a proposed commercial development in Carmarthen Bay. Students will gain insider experience about professional techniques in marine (and freshwater) biology through a series of lectures delivered by marine environmental practitioners from environmental consultancies and regulatory organisations in the UK. The course includes a five-day residential field course in September/October which provides the students with the opportunity to practice the key technical skills in a real-world setting