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Personal profile

Research interests

The main focus of my research group is the development and application of ecotoxicological biomarkers of exposure to aqueous and sediment-associated contaminants in the marine and estuarine environment. Of particular interest are the impacts of oilfield chemicals and engineered nanomaterials on marine and estuarine organisms, ranging from bacteria to fish. I am also interested in ecotoxicology of near-shelf deep-sea benthic organisms, the general effects of anthropogenic activity on benthic community structure and the fate of organic and inorganic pollutants in the marine and estuarine environment. Amongst other published studies are the effects of sediment-associated contaminants on juvenile turbot (Scophthalmus maximus), sediment-associated triorganotin compounds on the osmoregulation of the European flounder (Platichthys flesus) and the bioaccumulation capacity for trace metals in bivalves (Macoma balthica).


MSc in Zoology and Marine Ecology in 1996 from the University of Vienna, Austria.

Internship at the IAEA's Marine Environment Laboratory in Monaco.

PhD in Biological Oceanography in 2000 from Southampton University, UK

Postdoctoral research and from 2001-2003 University College Cork, Ireland

Temporary lecturer 2003-2006 at University College Cork, Ireland

Lecturer in Marine Biology, Heriot-Watt University 2006 - August 2013

Associate Professor of Marine Biology, Heriot-Watt University August 2013 - present

Fingerprint Dive into the research topics where Mark G. J. Hartl is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Flatfishes Medicine & Life Sciences
Mytilus edulis Medicine & Life Sciences
Comet Assay Medicine & Life Sciences
Bivalvia Medicine & Life Sciences
Nanostructures Medicine & Life Sciences
sediment Earth & Environmental Sciences
silver Earth & Environmental Sciences
microcosm Earth & Environmental Sciences

Research Output 1998 2019

From DNA to ecological performance: Effects of anthropogenic noise on a reef-building mussel

Wale, M. A., Briers, R. A., Hartl, M. G. J., Bryson, D. & Diele, K., 1 Nov 2019, In : Science of the Total Environment. 689, p. 126-132 7 p.

Research output: Contribution to journalArticle

sublethal effect

Climate Change: Implications for Ecotoxicological Environmental Impact Assessment

Connell, S. P., Fernandes, T. F. & Hartl, M. G. J., Dec 2017, In : Journal of Environmental Engineering. 143, 12, 04017078.

Research output: Contribution to journalArticle

Open Access
environmental impact assessment
climate change
spatial analysis
flow pattern

Microplastic contamination of intertidal sediments of Scapa Flow, Orkney: a first assessment

Blumenröder, J., Sechet, P., Kakkonen, J. E. & Hartl, M. G. J., 15 Nov 2017, In : Marine Pollution Bulletin. 124, 1, p. 112-120 9 p.

Research output: Contribution to journalArticle

Open Access
spatial analysis
flow pattern
quantitative analysis

Natural marine bacteria as model organisms for the hazard-assessment of consumer products containing silver nanoparticles

Echavarri Bravo, V., Paterson, L., Aspray, T. J., Porter, J., Winson, M. K. & Hartl, M. G. J., Sep 2017, In : Marine Environmental Research. 130, p. 293-302 10 p.

Research output: Contribution to journalArticle

Open Access
Consumer products
hazard assessment

Activities 2014 2019

PhD - Courtene-Jones

Mark G. J. Hartl (Examiner)
20 May 2019

Activity: ExaminationExternal Examiner

PhD - Murphy

Mark G. J. Hartl (Examiner)
31 Mar 2017

Activity: ExaminationExternal Examiner

Marine Microplastics – Risks to Aquaculture?

Mark G J Hartl (Speaker)
20 Sep 2017

Activity: Talk or presentationInvited talk

MASTS Annual Science Meeting

Mark G J Hartl (Speaker)
19 Oct 2016

Activity: Participating in or organising an eventParticipation in conference

American Society of Civil Engineers (ASCE) (Publisher)

Mark G J Hartl (Editorial board member)
1 Dec 2016 → …

Activity: Publication peer-review and editorial workEditorial activity

Press / Media

Effects of anthropogenic noise on marine mussels

Mark G. J. Hartl


8 items of Media coverage

Press/Media: Research

Deep Ocean Live

Mark G. J. Hartl


1 Media contribution

Press/Media: Research

Marine Ecology

Mark G. J. Hartl


1 Media contribution

Press/Media: Other

Microplastics in Orkney

Mark G. J. Hartl


6 Media contributions

Press/Media: Research

North Sea plastic pollution goes under the microscope

Mark G J Hartl


1 Media contribution

Press/Media: Research