Welcome to

 Mark's Lab
 Marine ecotoxicological biomarkers for a cleaner, healthier ocean environment




Dr Hartl is an Associate Professor of Marine Biology, specializing in Marine Ecotoxicology in the Centre for Marine Biodiversity & Biotechnology (CMBB), Institute of Life and Earth Sciences, at Heriot-Watt University. He is also Director of the CMBB and Director of Studies for the MSc cluster in Marine, Environment and Climate Change (s Dr Hartl represents the Marine Alliance for Science & technology, Scotland (MASTS) on the Scottish Government’s Marine Litter Advisory Group Steering Committeere and leads the MASTS Stressors Forum ( He reeived an MSc from the University of Vienna (1996) in Biology (Zoology/Marine Ecology) and a PhD from the University of Southampton (2000). Following a Postdoctoral Fellowship at University College Cork (2001-2006), he took up a position as Lecturer in the School of Life Sciences at Heriot-Watt University, Edinburgh. He was president of the Physiology Section of the American Fisheries Society (2010-2012) and served on the Environmental Pollution Review Panel for FORMAS (2011-2014).



Latest Papers:

the conversation logo Hartl, M. (2018) WhyClimate Change is Making Pollution Monitoring More Difficult



Connell, S., Fernandes, T. F., Hartl, M. G. J. (2017). Climate change: implications for ecotoxicological environmental impact assessment. JEE. 143.







Blumenröder, J., Sechet, P., Kokonnen, J. and Hartl, M. G. J. (2017). Microplastic contamination of intertidal sediments of Scapa Flow, Orkney: a first assessment. Mar Pollut Bull 124: 112-120.

Latest Citations

27 November 2018

Kilemade, M., Hartl, M. G. J., Sheehan, D., van Pelt, F. N. A. M., O'Brien, N. M. and O'Halloran, J. (2004). An assessment of the pollutant status of surficial sediment in Cork Harbour in the South East of Ireland with particular reference to polycyclic aromatic hydrocarbons. Mar. Pollut. Bull. 49, 1084-1096.

cited by

Vogt, T., Pieters, R., Giesy, J. and Newman, B. K. (2019). Biological toxicity estimates show involvement of a wider range of toxic compounds in sediments from Durban, South Africa than indicated from instrumental analyses. 138, 49-57.


26 November 2018

Singh, R. and Hartl, M. G. J. (2012). Fluctuating estuarine conditions are not confounding factors for the Comet assay assessment of DNA damage in the mussel Mytilus edulis. Ecotoxicology. 21, 1998-2003.

cited by

Erraud, A., Bonnard, M., Geffard, O., Chaumot, A., Duflot, A., Geffard, A., Forget-Leray, J. and Xuereb, B. (2019). Assessment of sperm DNA integrity within the Palaemon longirostris (H. Milne-Edwards, 1837) population of the Seine estuary. Environ Pollut. 245, 485-493.


Davoren, M., Ni Shuilleabhain, S., O'Halloran, J., Hartl, M. G. J., Sheehan, D., O'Brien, N. M., Van Pelt, F. N. A. M. and Mothersill, C. (2005). A Test Battery Approach for the Ecotoxicological Evaluation of Estuarine Sediments. Ecotoxicology. 14, 741-755.

cited by

Schiavo, S., Oliviero, M., Philippe, A. and Manzo, S. (2018). Nanoparticles based sunscreens provoke adverse effects on marine microalgae Dunaliella tertiolecta. Environ Sci Nano.

 MECC Induction

 Annex 6

Annex 7


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