Dr. Rainer Kiko

Make Our Planet Great Again laureate


Guest scientist

Research Unit 3: Marine Ecology

Environmental physiology



Telefon: +33 (0)493 763905

E-Mail: rainer.kiko(at)obs-vlfr.fr



Dr. Rainer Kiko

Laboratoire d'Océanographie de Villefranche-sur-mer

Station Zoologique

181 Chemin du Lazaret

06230 Villefranche-sur-mer




Tropical Atlantic Deoxygenation: gateway dynamics, feedback mechanisms and ecosystem impacts (Make Our Planet Great Again project at the Laboratoire d'Oceanographie de Villefranche-sur-mer, France)


The role of zooplankton in N-, P- and C- cycling and for the oxygen budget of tropical OMZs


Combining deep learning, in situ imaging and citizen science to resolve the distribution of giant protists in major upwelling regions


Zooplankton and Nekton: Gatekeepers of the Biological Pump (Frontiers Research Topic)


ZoOMin at TENATSO: “Zooplankton of the Oxygen Minimum Zone at the Tropical Eastern Atlantic Time-Series Observatory” 


CUSCO - Coastal Upwelling System in a Changing Ocean: Work Package 5: Particle size distribution, export fluxes and zooplankton-particle interactions


MicroZooImager: An integrated optical system for microzooplankton analysis




40) Mariana Hill Cruz, Iris Kriest, José Jonss, Rainer Kiko, Helena Hauss, Andreas Oschlies (accepted) Zooplankton mortality effects on the plankton community of the Northern Humboldt Current System: Sensitivity of a regional biogeochemical model.  Biogeosciences Discussions [preprint], doi.org/10.5194/bg-2020-417


39) Jahan Vajedsamiei, Frank Melzner, Michael Raatz, Rainer Kiko, Maral Khosravi, Christian Pansch (2021) Simultaneous recording of filtration and respiration in marine organisms in response to short‐term environmental variability.  Limnology and Oceanography Methods  doi.org/10.1002/lom3.10414


38) Rainer Kiko, Peter Brandt, Svenja Christiansen, Jannik Fausmann, Iris Kriest, Elizandro Rodrigues, Florian Schütte, Helena Hauss (2020) Zooplankton-Mediated Fluxes in the Eastern Tropical North Atlantic.  Frontiers in Marine Science 7:358


37) Simon-Martin Schröder, Rainer Kiko, Reinhard Koch (2020) MorphoCluster: Efficient Annotation of Plankton images by Clustering.  Sensors 20:3060


36) Henk-Jan Hoving, Phillip Neitzel, Helena Hauss, Svenja Christiansen, Rainer Kiko, Bruce H. Robison, Pericles Silva, Arne Körtzinger (2020) In situ observations show vertical community structure of pelagic fauna in the eastern tropical North Atlantic off Cape Verde.  Scientific reports 10:21798


35) Sarah L.C. Giering, Emma L. Cavan, Sünnje L. Basedow, Nathan Briggs, Adrian B. Burd, Louise J. Darroch, Lionel Guidi, Jena-Olivier Irisson, Morten H. Iversen, Rainer Kiko, Dhugal Lindsay, Catarina R. Marcolin, Andrew M.P. McDonnell, Klas O. Möller, Uta Passow, Sandy Thomalla, Thomas W. Trull, Anya M. Waite (2020) Sinking Organic Particles in the Ocean—Flux Estimates From in situ Optical Devices. Frontiers in Marine Science 6:834


34) Rainer Kiko & Helena Hauss (2019) On the estimation of zooplankton-mediated active fluxes in oxygen minimum zone regions. Frontiers in Marine Science 6:741.


33) Fabien Lombard, Emmanuel Boss, Anya M Waite, Julia Uitz, Lars Stemmann, Heidi M Sosik, Jan Schulz, Jean-Baptiste Romagnan, Marc Picheral, Jay Pearlman, Mark D Ohman, Barbara Niehoff, Klas Ove Möller, Patricia Miloslavich, Ana Lara-Lopez, Raphael M Kudela, Rubens Mendez Lopes, Lee Karp-Boss, Rainer Kiko, Julles S Jaffe, Morten Hvitfeldt Iversen, Jean-Olivier Irisson, Helena Hauss, Lionel Guidi, Gaby Gorsky, Sarah Lou Carolin Giering, Peter Gaube, Scott Gallager, George Dubelaar, Robert K Cowen, François Carlotti, Christian Briseño-Avena, Léo Berline, Kelly J Benoit-Bird, Nicholas J Bax, Sonia Dawn Batten, Sakina-Dorothée Ayata, Ward Appeltans (2019) Globally consistent quantitative observations of planktonic ecosystems. Frontiers in Marine Science 6:196.


32) Soeren Thomsen, Johannes Karstensen, Rainer Kiko, Gerd Krahmann, Marcus Dengler, Anja Engel (2019) Remote and local drivers of oxygen and nitrate variability in the shallow oxygen minimum zone off Mauritania in June 2014. Biogeosciences 16:979-998.


31) Daniele Bianchi, Thomas S Weber, Rainer Kiko, Curtis Deutsch (2018) Global niche of marine anaerobic metabolisms expanded by particle microenvironments. Nature Geoscience, doi:10.1038/s41561-018-0081-0.


30) Svenja Christiansen, Henk-Jan Hoving, Florian Schütte, Helena Hauss, Johannes Karstensen, Arne Körtzinger, Simon-Martin Schröder, Lars Stemmann, Bernd Christiansen, Marc Picheral, Peter Brandt, Bruce Robison, Reinhard Koch, Rainer Kiko (2018) Particulate matter flux interception in oceanic mesoscale eddies by the polychaete Poeobius sp. Limnology and Oceanography, doi: 10.1002/lno.10926.


29) Simon-Martin Schröder, Rainer Kiko, Jean-Olivier Irisson, Reinhard Koch (2018) Low-Shot learning of plankton categories. In: Brox T., Bruhn A., Fritz M. (eds) Pattern Recognition. GCPR 2018. Lecture Notes in Computer Science, vol 11269. Springer, Cham.


28) Henk-Jan Hoving, Svenja Christiansen, Eduard Fabrizius, Helena Hauss, Rainer Kiko, Peter Linke, Philip Neitzel, Uwe Piatkowski, Arne Körtzinger (in review, 2018) The Pelagic In situ Observation System (PELAGIOS) to reveal biodiversity, behavior and ecology of elusive oceanic fauna. Ocean Sci. Discuss., doi.org/10.5194/os-2018-131.


27) Rainer Kiko, Arne Biastoch, Peter Brandt, Sophie Cravatte, Helena Hauss, Rebecca Hummels, Iris Kriest, Frederic Marin, Andrew M. P. McDonnell, Andreas Oschlies, Marc Picheral, Franziska U. Schwarzkopf, Andreas M. Thurnherr, Lars Stemmann (2017) Biological and physical influences on marine snowfall at the equator. Nature Geoscience, DOI:10.1038/ngeo3042.


26) Arvind Singh, Lennart T Bach, Tim Fischer, Helena Hauss, Rainer Kiko, Allanah J Paul, Paul Stange, Pieter Vandromme, Ulf Riebesell (2017) Niche construction by non-diazotrophs for N2 fixers in the eastern tropical North Atlantic Ocean. Geophysical Research Letters, DOI:10.1002/2017GL074218.


25) Rainer Kiko, Helena Hauss, Friedrich Buchholz, Frank Melzner (2016) Ammonium excretion and oxygen respiration of tropical copepods and euphausiids exposed to oxygen minimum zone conditions. Biogeosciences, 13:2241-2255.


24) Tristan Biard, Lars Stemmann, Marc Picheral, Nicolas Mayot, Pieter Vandromme, Helena Hauss, Gabriel Gorsky, Lionel Guidi, Rainer Kiko, Fabrice Not (2016) In situ imaging reveals the biomass of giant protists in the global ocean. Nature, 532:504-507.


23) Helena Hauss, Svenja Christiansen, Florian Schütte, Rainer Kiko,  Miryan Edvam Lima, Elizandro Rodrigues, Johannes Karstensen, Carolin Löscher, Arne Körtzinger,  Björn Fiedler (2016) Dead zone or oasis in the open ocean? Zooplankton distribution and migration in low-oxygen modewater eddies. Biogeosciences, 13:1977-1989.


22) Judith Meyer, Carolin. R. Löscher, Sven. C. Neulinger, Anna. F. Reichel, Alexandra N. Loginova, Corinna Borchard, Ruth. A. Schmitz, Helena Hauss, Rainer Kiko, Ulf Riebesell (2016) Changing nutrient stoichiometry affects phytoplankton production, DOP build up and dinitrogen fixation – a mesocosm experiment in the eastern tropical North Atlantic. Biogeosciences, 13, 781-794.


21) Carolin R. Löscher, Hermann W. Bange, Ruth A. Schmitz, Cameron M. Callbeck, Anja Engel, Helena Hauss, Thorsten Kanzow, Rainer Kiko, Gaute Lavik, Alexandra N. Loginova, Frank Melzner, Sven C. Neulinger, Markus Pahlow, Ulf Riebesell, Harald Schunck, Sören Thomsen, Hannes Wagner (2016) Water column biogeochemistry of oxygen minimum zones in the eastern tropical North Atlantic and eastern tropical South Pacific Oceans. Biogeosciences, 13:3585-3606.


20) Björn Fiedler, Damian Grundle, Florian Schütte, Johannes Karstensen, Carolin R. Löscher, Helena Hauss, Hannes Wagner, Alexandra Loginova, Rainer Kiko, Pericles Silva, Arne Körtzinger (2016) Oxygen Utilization and Downward Carbon Flux in an Oxygen-Depleted Eddy in the Eastern Tropical North Atlantic. Biogeosciences, 15:5633-5647.


19) Rainer Kiko, Stefan Kern, Maike Kramer (2016) Colonization of newly formin Arctic sea ice by meiofauna - a case study for the future Artic? Polar Biology, doi:10.1007/s00300-016-2052-5.


18) Rainer Kiko, Helena Hauss, Marcus Dengler, Stefan Sommer, Frank Melzner (2015) The squat lobster Pleuroncodes monodon tolerates anoxic “dead zone” conditions off Peru. Marine Biology, 162:1913-1921.


17) Vera Sandel, Rainer Kiko, Peter Brandt, Marcus Dengler, Lars Stemmann, Pieter Vandromme, Ulrich Sommer, Helena Hauss (2015) Nitrogen Fuelling of the Pelagic Food Web of the Tropical Atlantic. PLoS ONE, 10(6): e0131258.


16) Tim Kalvelage, Gaute Lavik, Marlene M. Jensen, Niels Peter Revsbech, Carolin Löscher, Harald Schunck, Dhwani K. Desai, Helena Hauss, Rainer Kiko, Moritz Holtappels, Julie LaRoche, Ruth A. Schmitz, Michelle I. Graco, Marcel M. M. Kuypers (2015) Aerobic Microbial Respiration In Oceanic Oxygen Minimum Zones. PLoS ONE, 10(7): e0133526.


15) Anja Engel, Corinna Borchard, Alexandra N. Loginova, Judith Meyer, Helena Hauss, Rainer Kiko (2015) Effects of varied nitrate and phosphate supply on polysaccharidic and proteinaceous gel particles production during tropical phytoplankton bloom experiments. Biogeosciences, 12:5647–5665.


14) Alexandra N. Loginova, Corinna Borchard, Judith Meyer, Helena Hauss, Rainer Kiko, Anja Engel (2015) Effects of nitrate and phosphate supply on chromophoric and fluorescent dissolved organic matter in the Eastern Tropical North Atlantic: a mesocosm study. Biogeosciences, 12:6897–6914.


13) Lena Teuber, Rainer Kiko, Francois Seguin, Holger Auel (2013) Respiration rates of tropical Atlantic copepods in relation to the oxygen minimum zone. J Exp Mar Biol Ecol, 448:28-36.


12) Warren R Francis, Lynne M Christianson, Rainer Kiko, Meghan L Powers, Nathan C Shaner, Steven H D Haddock (2013) A comparison across non-model animals suggests an optimal sequencing depth for de novo transcriptome assembly BMC Genomics, 2013, 14:167


11) Kramer M, Swadling KM, Meiners K, Kiko R, Scheltz A, Nicolaus M, Werner I (2011) Antarctic sympagic meiofauna in winter: comparing diversity, abundance and biomass between the western Weddell Sea and the southern Indian Ocean. Deep-Sea Research Part II: Topical Studies in Oceanography, 58:1062-1074.


10) Kramer M, Kiko R (2011) Brackish meltponds on Arctic sea ice – a new habitat for marine metazoans. Polar Biology, 34:603-608.


9) Hu M, Tseng Y-C, Stumpp M, Gutowska MA, Kiko R, Lucassen M, Melzner F (2011) Elevated seawater pCO2 differentially affects branchial acid-base transporters over the course of development in the cephalopod Sepia officinalis. American Journal of Physiology - Regulatory, Integrative and Comparative Physiology, DOI: 10.​1152/​ajpregu.​00653.​2010


8) Fehsenfeld, S., Kiko, R., Appelhans, Y., Towle, D. W., Zimmer, M. and Melzner, F. (2011) Effects of elevated seawater pCO2 on gene expression patterns in the gills of the green crab, Carcinus maenas. BMC Genomics, 12 (1). p. 488. DOI: 10.1186/1471-2164-12-488.


7) Kiko R (2010) Acquisition of freeze protection in a sea-ice crustacean through horizontal gene transfer? Polar Biology, 33:543-556.


6) Siebert S, Anton-Erxleben F, Kiko R, Kramer M (2009) Sympagohydra tuuli (Cnidaria, Hydrozoa) – first report form sea ice of the central Arctic Ocean and insights into histology, reproduction and locomotion. Marine biology, 156:541-554.


5) Kiko R, Werner I, Wittmann A (2009) Osmotic and ionic regulation in response to salinity variations and cold resistance in the Arctic under-ice amphipod Apherusa glacialis. Polar Biology, 32:393-398.


4) Kiko R, Kramer M, Spindler M, Wägele H (2008) Tergipes antarcticus (Gastropoda, Nudibranchia): distribution, life cycle, morphology, anatomy and adaptation of the first mollusc known to live in Antarctic sea ice. Polar Biology, 31:1383–1395.


3) Kiko R, Michels J, Mizdalski E, Schnack-Schiel SB, Werner I (2008) Living conditions, abundance and composition of the metazoan fauna in surface and sub-ice layers in pack ice of the western Weddell Sea during late spring. Deep Sea Research Part II, 55:1000–1014.


2) Augustin R, Franke A, Khalturin K, Kiko R, Hemmrich G, Bosch TCG (2006) Dickkopf related genes are components of the positional value gradient in Hydra. Developmental Biology, 296:62–70.


1) Werner I, Auel H, Kiko R (2004) Occurrence of Anonyx sarsi (Amphipoda: Lysianassoidea) below Arctic pack ice: an example for cryo-benthic coupling? Polar Biology 27:474–481.