Dr. Bettina Riedel




assistance, 1. zoology (vertebrates), fish collection


Phone:+43 1 52177-362

12/2014-11/2015 PI

Austrian Science Fund (FWF), Vienna (Austria), Erwin Schrödinger scholarship; Co-funded by the European Commission (Marie Curie Action)
"Response of benthic meiofauna to hypoxia and anoxia in Marine Lake Grevelingen, the Netherlands, with special reference to foraminifera and nematodes" (J3632-B19)
Cooperation partners: University of Angers, France; University of Ghent, Belgium

07/2009-06/2013 Research associate, Postdoc

Austrian Science Fund (FWF) project (P21542-B17), Vienna (Austria)
"Low dissolved oxygen events in the Northern Adriatic: in situ experimental insights into multi-level responses before, during and post- anoxia"
Cooperation partners: University of Angers, France; University of Ghent, Belgium; National Institute of Biology (MBS), Slovenia

01/2011-06/2013 PI

Austrian Agency for International Cooperation in Education and Research (OeAD), Federal Ministry of Science and Research (BMWF), Vienna (Austria)
Bilateral project (Austria-France): "Experimentally induced anoxia in the Northern Adriatic Sea: meiofauna responses and changes in sediment geochemistry" (WTZ; FR 13/2011)

01/2009-12/2010 Research associate

Austrian Agency for International Cooperation in Education and Research (OeAD), Federal Ministry of Science and Research (BMWF), Vienna (Austria)
Bilateral project (Austria-Slovenia): "Reaction of benthic organisms to hypoxia/anoxia in the Northern Adriatic" (WTZ; SI 22/2009)

07/2005-12/2008 Research associate, doctoral student

Austrian Science Fund (FWF) project (P17655-B03), Vienna (Austria)
"Oxygen crises in the North Adriatic: effect on the structure and behaviour of the macroepibenthos"
Cooperation partner: National Institute of Biology (MBS), Slovenia

  • 2001 MSc., biology/ecology, special field: marine biology; University of Vienna, Austria
  • 2009 PhD, natural sciences; University of Vienna, Austria
    Title: „Oxygen crises in the Northern Adriatic: effect on the structure and behaviour of the macrobenthos“. Supervisor: Dr. J. Ott. Reviewer: Dr. R. Rosenberg, Dr. R. Diaz
  • 2005-2015 Scientific research (research focus: hypoxia/anoxia in coastal marine ecosystems, benthic ecology); university of Vienna, Austria, University of Angers, France
  • Since 2017 Employment as assistant at the Natural History Museum Vienna, 1. Zoology, Fish Collection

Scientific journals (peer-reviewed)

[18] Petersen J., Riedel B., Barras C., Pays O., Guiheneuf A., Mabilleau G., Schweizer M., Meysman F.J.R., Jorissen F.F. 2016. Improved methodology for measuring pore patterns in the benthic foraminiferal genus Ammonia. Mar. Micropaleontol. 128:1-13. DOI 10.1016/j.marmicro.2016.08.001

[17] Taheri M., Grego M., Riedel B., Vincx M., Vanaverbeke J. 2015. Patterns in nematode community during and after experimentally induced anoxia in the northern Adriatic Sea. Mar. Environ. Res. 110: 110-123, doi 10.1016/j.marenvres.2015.08.004

[16] Koron N., Ogrinc N., Metzger E., Riedel B., Faganeli J. 2015. The impact of reduced redox transitions on nutrient diagenesis in coastal marine sediments (Gulf of Trieste, northern Adriatic Sea). J. Soils Sediments, doi 10.1007/s11368-015-1215-2

[15] Riedel B., Pados T., Pretterebner K., Schiemer L., Steckbauer A., Haselmair M., Zuschin M., Stachowitsch M. 2014. Effect of hypoxia and anoxia on invertebrate behaviour: ecological perspectives from species to community level. Biogeosciences 11: 1491-1518, doi 10.5194/bg-11-1491-2014

[14] Metzger E., Langlet D., Viollier E., Koron N., Riedel B., Stachowitsch M., Faganelli J., Tharaud M., Geslin E., Jorissen F. 2014. Artificially induced migration of redox layers in a coastal sediment from the Northern Adriatic. Biogeosciences 11: 2211-2224, doi 10.5194/bg-11-2211-2014

[13] Langlet D., Baal C., Geslin E., Metzger E., Zuschin M., Riedel B., Risgaard-Petersen N., Stachowitsch M., Jorissen F. J. 2014. Foraminiferal species responses to in situ experimentally induced anoxia in the Adriatic Sea. Biogeosciences 11: 1775-1797, doi 10.5194/bg-11-1775-2014

[12] Grego M., Riedel B., Stachowitsch M., De Troch M. 2014. Meiofauna winners and losers of coastal hypoxia: case study harpacticoid copepods. Biogeosciences 11: 281-292, doi 10.5194/bg-11-281-2014

[11] Grego M., Stachowitsch M., De Troch M., Riedel B. 2013. CellTracker Green labelling vs. rose bengal staining: CTG wins by points in distinguishing living from dead anoxia-impacted copepods and nematodes. Biogeosciences 10: 4565-4575, doi 10.5194/bg-10-4565-2013

[10] Langlet D., Geslin E., Baal C., Metzger E., Lejzerowicz F., Riedel B., Zuschin M., Pawlowski J., Stachowitsch M., Jorissen F.J. 2013. Foraminiferal survival after long-term in situ experimentally induced anoxia. Biogeosciences 10: 7463-7480, doi 10.5194/bg-10-7463-2013

[9] Blasnig M., Riedel B., Zuschin M., Schiemer L., Stachowitsch M. 2013. Short-term post-mortality scavenging and longer term recovery after anoxia in the northern Adriatic Sea. Biogeosciences, 10: 7647-7659, doi 10.5194/bg-10-7647-2013

[8] De Troch M., Roelofs M., Riedel B., Grego M. 2013. Structural and functional responses of harpacticoid copepods to anoxia in the Northern Adriatic: an experimental approach. Biogeosciences 10: 4259-427, doi 10.5194/bg-10-4259-2013

[7] Riedel B., Zuschin M., Stachowitsch M. 2012. Tolerance of benthic macrofauna to hypoxia and anoxia in shallow coastal seas: a realistic scenario. Mar. Ecol. Prog. Ser. 458: 39-52, doi 10.3354/meps09724

[6] Pretterebner K., Riedel B., Zuschin M., Stachowitsch M. 2012. Hermit crabs and their symbionts: Reactions to artificially induced anoxia on a sublittoral sediment bottom J. Exp. Mar. Biol. Ecol. 411: 23-33, doi 10.1016/j.jembe.2011.10.027

[5] Haselmair A., Stachowitsch M., Zuschin M., Riedel B. 2010. Behaviour and mortality of benthic crustaceans in response to experimentally induced hypoxia and anoxia in situ. Mar. Ecol. Prog. Ser. 414: 195-208, doi 10.3354/meps08657

[4] Sawyer J., Zuschin M., Riedel B., Stachowitsch M. 2009. Predator-prey interactions from in situ time-lapse observations of a sublittoral mussel bed in the Gulf of Trieste (Northern Adriatic). J. Exp. Mar. Biol. Ecol. 371: 10-19, doi 10.1016/j.jembe.2008.12.010

[3] Riedel B., Zuschin M., Haselmair A., Stachowitsch M. 2008. Oxygen depletion under glass: behavioural responses of benthic macrofauna to induced anoxia in the Northern Adriatic. J. Exp. Mar. Biol. Ecol. 367: 17-27, doi 10.1016/j.jembe.2008.08.007

[2] Riedel B., Stachowitsch M., Zuschin M. 2008. Sea anemones and brittle stars: unexpected predatory interactions during induced in situ oxygen crises. Mar. Biol. 153: 1075-1085, doi 10.1007/s00227-007-0880-0

[1] Stachowitsch M., Riedel B., Zuschin M., Machan R. 2007. Oxygen depletion and benthic mortalities: the first in situ experimental approach to documenting an elusive phenomenon. Limnol. Oceanogr.: Methods 5: 344-352, doi 10.4319/lom.2007.5.344

In other journals or books

[3] Riedel B., Diaz R., Rosenberg R., Stachowitsch M. 2016. The ecological consequences of marine hypoxia: from behavioural to ecosystem responses. In: Stressors in the marine environment: physiological responses and ecological implications. Solan M., Whitely N. (eds.): 175-194, Oxford University Press, Oxford, UK., DOI 10.1093/acprof:oso/9780198718826.003.0010 (peer-reviewed)

[2] Stachowitsch M., Riedel B., Zuschin M. 2012. The return of shallow shelf seas as extreme environments: Anoxia and macrofauna reactions in the Northern Adriatic Sea. In: Anoxia: Evidence for Eukaryote Survival and Paleontological Strategies; Cellular Origins, Life in Extreme Habitats and Astrobiology. Altenbach A., Bernhard J., Seckbach J. (eds.). Vol 21: 353-368, DOI 10.1007/978-94-007-1896-8_19 (peer-reviewed)

[1] Riedel B., Zuschin M., Stachowitsch M. 2008. Dead zones: a future worst-case scenario for Northern Adriatic biodiversity. In: Climate warming and related changes in Mediterranean marine biota. F. Briand (ed.). CIESM Workshop Monographs 35: 73-77
  • Coastal marine ecosystems
  • Benthic ecology
  • Assessment of anthropogenic impacts in the marine environment
  • Disturbance effects from the species level (e.g. behaviour, interaction, sensitivity, tolerance) to community and ecosystem level (biodiversity, structure, function, critical thresholds, recovery dynamics)
  • Climate change impacts on marine ecosystems (“triple effect”: CO2, temperature, O2)
  • Experimental in situ work


  • SS 2012, 2011, 2008 Lecturer/assistance: "Marine Turtle Field Course", 10ECTS
  • WS 2008, 2007 Lecturer/assistance: "Introduction to Marine Biology", 3 ECTS

Peer review Activities

  • Scientific journals: PLoS ONE, Marine Ecology Progress Series, Journal of Experimental Marine Biology and Ecology, Marine Biology, Marine Environmental Research, Marine Ecology,
  • Granting agencies: National Science Foundation NSF (USA), Maryland Sea Grant (USA)

Further Education

  • 2012 Postgraduate course "European Environmental Law", University of Koblenz, Germany, 4 ECTS
  • 2004-2006 Master-level studies "Landscape design & architecture", University of Natural Resources and Applied Life Sciences, Vienna, Austria


  • Marine Biological Association MBA
  • Society for Experimental Biology SEB