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Eva Playanyi-Lloyd


CSIRO Marine and Atmospheric Research Scientist

Ph.D., University of Cape Town
Applied Fisheries Management, 2004

Research Expertise

Quantitative Methods
Fisheries Stock Assessment
Biological Modeling
Ecosystem Approaches To Fisheries Management




Dr Éva Plagányi-Lloyd is a scientist with the Marine and Atmospheric Research Division of CSIRO in Australia, and an Honorary Research Associate of the University of Cape Town, South Africa, where she lectured for many years in the Department of Mathematics and Applied Mathematics. Her research focuses on the biological modeling of marine and other renewable biological resources, and the application of quantitative approaches to general ecological questions. She has worked on spatial multispecies models that investigate the impact of fishing on other dependent species in the ecosystem, and specifically worked on krill-predator-fishery dynamics in the Scotia Sea. Her research is strongly inter-disciplinary, with extensive crossover between Applied Mathematics and Zoology. In particular, she is extending single-species approaches in population assessments to more complex models of multi-species interactions in marine ecosystems.

Dr. Plagányi-Lloyd has over 10 years experience in the field of quantitative fisheries stock assessment, and she recently received a prestigious South African National Research Foundation President’s Award. She has written over forty peer-reviewed publications and technical reports, and dozens of additional popular articles. In addition, Dr. Plagányi-Lloyd has expressed a keen interest in scientific education and outreach, and mentoring young women in academia.


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Recent Selected Publcations

Lloyd, P., Plagányi, É.É., Weeks, S., Magno-Canto, T. and G. Plagányi. (2012). Ocean warming alters species abundance patterns and increases species richness in an African sub-tropical reef-fish community. Fisheries Oceanography 21: 78-94

Plagányi, É.,E. and D.S. Butterworth. 2011. The Scotia Sea krill fishery and its possible impacts on dependent predators - modelling localized depletion of prey. Ecological Applications  doi: 10.1890/11-0441.1

Plagányi, É.E., Bell, J., Bustamante, R., Dambacher, J., Dennis, D., Dichmont, C., Dutra, L., Fulton, E., Hobday, A., van Putten, I., Smith, F., Smith, T., Zhou, S. 2011. Modelling climate change effects on Australian and Pacific aquatic ecosystems: a review of analytical tools and management implications. Special Issue of Marine and Freshwater Research 62(9): 1132—1147

Edwards, C. and É.E. Plagányi. 2011. Protecting old fish through spatial management: is there a benefit for sustainable exploitation? Journal of Applied Ecology 48: 853- 863. doi: 10.1111/j.1365-2664.2011.01961.x

Plagányi, É.E. and D.S. Butterworth. 2010. A spatial and age-structured assessment model to estimate poaching and ecosystem change impacting the management of South African abalone Haliotis midae. Afr J Mar. Sci 32(2): 207-236.

Plagányi, É.E., Brandao, A., Butterworth, D.S., de Moor, C.L., Glazer, J., Johnston, S.J. and R.A. Rademeyer. 2009. Stock assessment in South Africa – building on a consistent yet flexible approach. Proceedings of the Fifth World Fisheries Congress. 2pp

Rademeyer, R.A., D.S. Butterworth, and É.E. Plagányi. 2008. Assessment of the South African hake resource taking its two-species nature into account. African Journal of Marine Science 30(2): 263-290.

Rademeyer, R.A., D.S. Butterworth, and É.E. Plagányi. 2008. A history of recent bases for management and development of a species-combined Operational Management Procedure for the South African hake resource. African Journal of Marine Science 30(2): 291-310.

Edwards, C.T.T., Rademeyer, R.A., Butterworth, D.S. and É.E. Plagányi. 2008. Investigating the consequences of Marine Protected Areas for the South African Deepwater Hake (Merluccius paradoxus) resource. ICES Journal of Marine Science 66(1): 72 – 81.

Edwards, C.T.T. and É.E. Plagányi. 2008. Participatory assessment of the South African Abalone resource and its impact on predicted population trajectories. South African Journal of Science 104: 185-191.

Plagányi, É.E. 2007. Models for an Ecosystem Approach to Fisheries. FAO Fisheries Technical Paper No. 477. Rome, FAO. 2007. 108p. ISBN 978-92-5-105734-6.

Plagányi, É.E., R.A. Rademeyer, D.S. Butterworth, S.J. Johnston, and C.L. Cunningham. 2007. Making management procedures operational – innovations implemented in South Africa. ICES Journal of Marine Science 64: 626-632.

Rademeyer, R.A., É.E. Plagányi, and D.S. Butterworth. 2007. Tips and tricks in designing management procedures. ICES Journal of Marine Science 64: 618-625.

Plagányi, É.E. and D.S. Butterworth. 2004. A critical look at the potential of Ecopath with Ecosim to assist in practical fisheries management. In Ecosystem Approaches to Fisheries in the Southern Benguela. Shannon, L.J., K.L. Cochrane, and S.C. Pillar (Eds). African Journal of Marine Science 26: 261-287.

Butterworth, D.S. and É.E. Plagányi. 2004. A brief introduction to some multi-species/ecosystem modeling approaches in the context of their possible application in the management of South African fisheries. In Ecosystem Approaches to Fisheries in the Southern Benguela. Shannon, L.J., K.L. Cochrane, and S.C. Pillar (Eds). African Journal of Marine Science 26: 53-61.

Lloyd, P. and É.E. Plagányi. 2002. Correcting observer effect bias in estimates of nesting success of a coastal bird, the White-fronted Plover Charadrius marginatus. Bird Study 49: 124-130.

Plagányi, É.E., L. Hutchings, and J.G. Field. 2000. Anchovy foraging: simulating spatial and temporal match/mismatches with zooplankton. Canadian Journal of Fisheries and Aquatic Science 57(10): 2044-2053.