Bettina Riedel

staff scientist & assistant to the head of department (1. zoology)
  • Supportive care of the fish collection
  • Collection management “NHM-4ART“ (loans for artistic projects)
  • Request & project management from the artistic & cultural field (1. Zoology, vertebrates)
  • Management of the ichthyological library
  • Public relations
Phone: +43 1 52177-362


  • Project leader “Redesign of the public area/Fish Collection“ (planned implementation 2026/27).
  • Conception, planning & organisation of the special event “NHM Biennale Climate Talk. Common discourse for the future“ (April 25, 2024) within the framework of the Klima Biennale Wien
  • Conception & curator (“science“) of the special exhibition “ARCTIC. The Changing Polar World“ 11.2023-09.2024.
  • Curator of the special exhibition “INSIDES. Behind the scenes of the Natural History Museum Vienna. Photographic insights by Stefan Oláh“ 09.2023-04.2024.



University course “Digital collection management“. 30 ECTS. Department for Arts and Cultural Studies Faculty of Education, Arts and Architectur, Austria 
Interim management of the Fish Collection (maternity leave replacement). 
Natural History Museum Vienna, Austria. 
Staff scientist & assistant to the head of department (1. zoology)
Natural History Museum Vienna, Austria.
Scholar/Project leader. 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. 
Project leader. 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).
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).
Research associate. 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.



PhD, natural sciences (biology), 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.
MSc., biology/ecology, special field: marine biology; University of Vienna, Austria. Title: “Selected macrofauna as an indicator for the recolonization of sublittoral soft bottoms in the Northern Adriatic Sea“. Supervisor: Dr. Jörg Ott.


Richirt J, Riedel B, Mouret A, Schweizer M, Langlet D, Seitaj D, Meysman FJR, Slomp CP, Jorissen FJ 2020. Foraminiferal community response to seasonal anoxia in Lake Grevelingen (the Netherlands). Biogeosciences. 1415-1435. DOI https://doi.org/10.5194/bg-17-1415-2020

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

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 https://doi.org/10.1016/j.marenvres.2015.08.004

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 15: 2443-2452. DOI https://doi.org/10.1007/s11368-015-1215-2

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 https://doi.org/10.5194/bg-11-1491-2014

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 https://doi.org/10.5194/bg-11-2211-2014

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

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 https://doi.org/10.5194/bg-11-281-2014

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 https://doi.org/10.5194/bg-10-4565-2013

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

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 https://doi.org/10.5194/bg-10-7647-2013

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 https://doi.org/10.5194/bg-10-4259-2013

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 https://doi.org/10.3354/meps09724

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 https://doi.org/10.1016/j.jembe.2011.10.027

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 https://doi.org/10.3354/meps08657

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 https://doi.org/10.1016/j.jembe.2008.12.010

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 https://doi.org/10.1016/j.jembe.2008.08.007

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 https://doi.org/10.1007/s00227-007-0880-0

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 https://doi.org/10.4319/lom.2007.5.344


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 https://doi.org/10.1093/acprof:oso/9780198718826.003.0010 (peer-reviewed)

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 https://doi.org/10.1007/978-94-007-1896-8_19 (peer-reviewed)

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



  • “Science & Art“ in general, “Natural science & Art“ in the museum context in particular. 
  • Anthropogenic impact on marine ecosystems (i.e. climate change, pollution, over-exploitation...) and related effects on the environment, from species to ecosystem level. 
  • Interdisciplinary exchange & cooperations.

1. zoology

Ahnelt Harald
associate scientist
Auer Helga
project researcher ECSA 2024
Bacher Florian
project researcher
Balaka Pia
Berg Hans-Martin
collection manager
Bibl Alexander
collection manager
Bogutskaya Nina
associate scientist
Chai Min
Project researcher
Duda Michael
Project researcher
Engelmaier Gernot
associate scientist
Ernst Karin
project researcher
Franzke Jennifer
associate scientist
Friedrich Rok
Project researcher
Gassner Georg
collection manager
Grillitsch Heinz
associate scientist
Grunstra Nicole D. S.
affiliated scientist
Haring Melina
Hengl Marietta
project researcher
Herzig Barbara
associate scientist
Illek Robert
head taxidermist
Kamschal Denise
technical assistant
Kirchner Sandra
Poject researcher for TETTRIs, Laboratory manager
Langnitschke Tim
scientific assistant
Leeb Christoph
project researcher „C321083 Biodiversitätsfonds“
Mikschi Ernst
head of department
Palandačić Anja
collection manager, staff scientist
Querner Pascal
Project researcher
Reier Susanne
Project researcher
Renner Swen
curator, senior scientist
Rubin Iris
model and diorama builder
Saliari Konstantina
curator, staff scientist
Schedl Benjamin
project researcher Harrison Collection
Schiller Katharina
employee project digitization (currently on parental leave)
Schweiger Silke
curator, staff scientist
Sonnleitner Ria
project researcher "Gefährliche Fauna " (ÖBH)"
Sontag Walter, A.
associate scientist
Stefke Katharina
staff scientist
Stückler Susanne
project researcher "Synthesys"
Sumasgutner Petra
associate scientist
van den Elzen Renate
associate scientist
Viehauser Christof
scientific assistant
Wallner Nathalie
Administrative management, taxidermist
Witthoff Ronja
Wolf Paul
Project researcher
Wöss Günther
scientific assistant
Zachos Frank Emmanuel
curator, staff scientist