Maik Tiedemann

Telefon: 94885009


Marine biology and fisheries oceanography - specialized in taxonomy and community analyses of early life stages of fishes from the North until the tropical Atlantic.

Current research at the IMR:

 - Recruitment dynamics of commercially important fish species in changing NE Atlantic ecosystems (Project: RECNOR)

 - Research focus on understanding recruitment failures of Norwegian spring spawning herring

Curriculum Vitae

BSc (Biology) - Justus-Liebig-University Giessen, Germany, 2008

MSc (Marine Biology) - University of Bremen, Germany, 2012

PhD (Marine Ecosystem and Fishery Science), Hamburg University, Germany, 2018



2010  Leibniz  Center  for  Tropical  Marine  Research  (ZMT)  –  Mangrove  Ecology, Bremen, Germany (Research assistant)
2013 – 2017  Thünen Institute of Sea Fisheries in the project AWA – Ecosystem Approach to the management of fisheries and the marine environment in West African waters, Hamburg, Germany (PhD and scientist)
2017  Leibniz Center for Tropical Marine Research (ZMT) – consultant for statistical analyses for the social sciences, Bremen, Germany (Scientist)
2018 Institut de recherche pour le développement (IRD) – Hydroacoustic detection of micronekton, Brest, France (Postdoc)


Faglige foredrag


Recruitment dynamics of Norwegian spring-spawning herring: tracing the fate of early developing oocytes to the 0-group stage

Olav Sigurd Kjesbu, Maik Tiedemann, H. Martina Stiasny, Bridie Jean Marie Allan, Valeriya Komyakova, Jessica Louise Ray, Solfrid Sætre Hjøllo, Arild Folkvord, Thassya Christina dos Santos Schmidt, Erling Kåre Stenevik, Aril Slotte, Richard David Marriott Nash

Vitenskapelige artikler (NVI)


Environmental influences on Norwegian spring-spawning herring (Clupea harengus L.) larvae reveal recent constraints in recruitment success

Maik Tiedemann, Richard David Marriott Nash, Erling Kåre Stenevik, H. Martina Stiasny, Aril Slotte, Olav Sigurd Kjesbu
ICES Journal of Marine Science

Fine-scale vertical structure of sound-scattering layers over an east border upwelling system and its relationship to pelagic habitat characteristics

Diogoul Ndague, Patrice Brehmer, Yannick Perrot, Maik Tiedemann, Abou Thiam, Salaheddine El Ayoubi, Anne Mouget, Chloé Migayrou, Oumar Sadio, Abdoulaye Sarre
Ocean Science 16 p. 65-81

Spawning energetics and otolith microchemistry provide insights into the stock structure of bonga shad Ethmalosa fimbriata

Julian Döring, Carola Wagner, Maik Tiedemann, Kim Vane, Patrice Brehmer, Werner Ekau
Journal of Fish Biology 94 p. 241-250

Water masses and oceanic eddy regulation of larval fish assemblages along the Cape Verde Frontal Zone

Maik Tiedemann, Heino O. Fock, Julian Döring, Luc Bonaventure Badji, Christian Möllmann
Journal of Marine Systems 183 p. 42-55

Larval fish assemblages across an upwelling front: Indication for active and passive retention

Maik Tiedemann, Patrice Brehmer
Estuarine, Coastal and Shelf Science 187 p. 118-133

Does upwelling intensity determine larval fish habitats in upwelling ecosystems? The case of Senegal and Mauritania

Maik Tiedemann, Heino O. Fock, Patrice Brehmer, Julian Döring, Christian Möllmann
Fisheries Oceanography 26 p. 655-667

Ethmalosa fimbriata (Bowdich 1825), a clupeid fish that exhibits elevated batch fecundity in hypersaline waters

Julian Döring, Maik Tiedemann, Moritz Stäbler, Hans Sloterdijk, Werner Ekau
Fishes 2

A spatial analysis of larval fish assemblages in the Celtic Sea off Great Britain (47° to 51° N): implications of bathymetry and ocean warming

Maik Tiedemann, Matthias Kloppmann, Jens Ulleweit, Joachim Paul Gröger, Wilhelm Hagen
Marine Biology Research 10 p. 482-493



The combination of climate change and a positive Atlantic Multidecadal Oscillation phase since 2004 may be a cause of suppressed recruitment success in Norwegian spring spawning herring

Maik Tiedemann, Martina H. Stiasny, Richard David Marriott Nash, Erling Kåre Stenevik, Aril Slotte, Olav Sigurd Kjesbu
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