Klement Tockner

Klement Tockner

Department: (A2) Ecosystem Research
Function: Guest Scientist
E-mail address:
Address: Müggelseedamm 310, 12587 Berlin
  • CV
  • Research
  • Publications
  • Teaching
  • Others

Curriculum vitae

2007 Professor for Aquatic Ecology at Freie Universität Berlin, Germany
2005 Titulary Professor at ETH Zurich, Switzerland
1993 Ph.D. at University of Vienna, Austria
Career/employment history  
2007- present Director of the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) in Berlin
2007- present Professor for Aquatic Ecology at the Freie Universität of Berlin
2007- present Adjunct Scientist at the Swiss Federal Institute of Aquatic Science & Technology (Eawag)
2004/ 2005 Guest Scientist at the Cary Institute of Ecosystem Studies, Millbrook, NY, USA (11 months)
2002 JSPS Fellow at the Tohoku University, Sendai, Japan (2 months)
1999- 2007 Group leader at EAWAG, Dübendorf, Switzerland
1996- 1999 Assistant professor (‘Oberassistent’) at ETH, Zürich, Zurich
1994- 1996 Postdoctoral fellow at University of Vienna, Austria
1993- 1994 Freshwater consultant in Rwanda and Uganda, Africa

Awards and honors

Honours/ awards/ grants/ fellowships

Elected member of the Germany Academy of Sciences Leopoldina (elected in 2015)

Elected member of the Austrian Academy of Sciences (elected in 2012)


Fenner Lecture (UNC, Capel Hill; March 2013)


Margalef Lecture at Iberian Limnological Society Conference (Guimares, Portugal; July 2012)


Liepolt-Prize for Danube Research


Most cited freshwater ecologist in D,CH,A (1998-2002)


Prizes for highly cited papers (e.g. Wiley-Publisher Prize)


ISI selection of emerging research fields and ISI highly cited paper


Fellowship: Japanese Society for the Promotion of Science (2002)


Various PhD awards: S. Langhans, M. Doering, L. Perkin, D. Tonolla and A. Paetzold: Peterson Fund Award (4x), NABS award for best student presentation (1x), Silver Medal of ETH for best PhD thesis (1x), best poster presentation at ISRS-conference, best doctoral thesis awarded by the Federation of European Freshwater Scientists

Research Area

Main fields: Ecohydrology, freshwater biology, biodiversity, ecosystem ecology Other fields: Ecosystem management and restoration, landscape ecology Current research interest: Ecology-hydrology linkages, human-ecosystem interactions, freshwater biodiversity, novel ecosystems, urban ecology and light pollution

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  • Von Schiller, Daniel; Graeber, Daniel; Ribot, Miquel; Timoner, Xisca; Acuna, Vicenc; Martí, Eugènia; Sabater, Sergi; Tockner, Klement (2015):
    Hydrological transitions drive dissolved organic matter quantity and composition in a temporary Mediterranean stream.
    Biogeochemistry, 123 (3): 429-446.
  • Rillig, Matthias C.; Kiessling, Wolfgang; Borsch, Thomas; Gessler, Arthur; Greenwood, Alex D.; Hofer, Heribert; Joshi, Jasmin; Schröder, Boris; Thonicke, Kirsten; Tockner, Klement; Weisshuhn, Karoline; Jeltsch, Florian (2015):
    Biodiversity research: data without theory - theory without data.
    Frontiers in Ecology and Evolution, 3: art. 20
  • Zarfl, Christiane; Lumsdon, Alexander E.; Berlekamp, Jürgen; Tydecks, Laura; Tockner, Klement (2015):
    A global boom in hydropower dam construction.
    Aquatic Sciences, 77 (1): 161-170.
  • 2014

  • Langhans, Simone D.; Tockner, Klement (2014):
    Edge effects are important in supporting beetle biodiversity in a gravel-bed river floodplain.
    PLoS One, 9 (12): e114415
  • Langhans, Simone D.; Tockner, Klement (2014):
    Is the unsaturated sediment a neglegted habitat for riparian arthropods?: Evidence from large gravel-bed river.
    Global Ecology and Conservation, 2: 129-137.
  • Settele, Josef; Scholes, Robert; Betts, Richard A.; Bunn, Stuart E.; Leadley, Paul; Nepstad, Daniel; Overpeck, Jonathan T.; Taboada, Miguel Angel; Adrian, Rita; Allen, Craig; Anderegg, William; Bellard, Celine; Brando, Paulo; Chini, Louise P.; Courchamp, Franck; Foden, Wendy; Gerten, Dieter; Goetz, Scott; Golding, Nicola; Gonzalez, Patrick; Hawkins, Ed; Hickler, Thomas; Hurtt, George; Koven, Charles; Tockner, Klement (2014):
    Terrestrial and inland water systems.
    Climate Change, : 271-359.
  • Tockner, Klement (2014):
    Der Wert der Vielfalt.
    Leibniz-Journal, (3): 14-15.
  • Tockner, Klement (2014):
    Novel freshwater ecosystems in a changing climate: a challenge for research and conservation.
  • Prat, Narcis; Gallart, Francesc; Von Schiller, Daniel; Polesello, Stefano; Garcia-Roger, E. M.; Latron, Jerome; Rieradevall, M.; Llorens, Pilar; Barbera, G. G.; Brito, D.; De Girolamo, A. M.; Dieter, Daniela; Lo Porto, A.; Buffagni, A.; Erba, S.; Nikolaidis, N. P.; Querner, E. P.; Tournoud, M. G.; Tzoraki, O.; Skoulikidis, Nikolaos Th.; Gomez, Rosa; Sanchez-Montoya, Maria del Mar; Tockner, Klement; Froebrich, Jochen (2014):
    The mirage toolbox: an integrated assessment tool for temporary streams.
    River Research and Applications, 30 (10): 1318-1334.
  • Perkin, Elizabeth K.; Hölker, Franz; Tockner, Klement; Richardson, John S. (2014):
    Artificial light as a disturbance to light-naive streams.
    Freshwater Biology, 59 (11): 2235-2244.
  • Lewandowski, Jörg; Nützmann, Gunnar; Tockner, Klement (2014):
    Frontiers in real-time ecohydrology: editorial to the special issue in fundamental and applied limnology.
    Fundamental and Applied Limnology, 184 (3): 169-171.
  • Shrestha, Juna; Niklaus, Pascal A.; Pasquale, N.; Huber, Benjamin; Barnard, Romain L.; Frossard, Emmanuel; Schleppi, Patrick; Tockner, Klement; Luster, Jörg (2014):
    Flood pulses control soil nitrogen cycling in a dynamic river floodplain.
    Geoderma, 229: 14-24.
  • Datry, Thibault; Larned, Scott T.; Tockner, Klement (2014):
    Intermittent rivers: a challenge for freshwater ecology.
    BioScience, 64 (3): 229-235.
  • Acuna, Vicenc; Datry, Thibault; Marshall, J.; Barcelo, D.; Dahm, C. N.; Ginebreda, A.; McGregor, G.; Sabater, Sergi; Tockner, Klement; Palmer, Margaret A. (2014):
    Why should we care about temporary waterways?.
    Science, 343 (6175): 1080-1081.
  • Muehlbauer, Jeffrey D.; Collins, Scott F.; Doyle, Martin W.; Tockner, Klement (2014):
    How wide is a stream?: Spatial extent of the potential "stream signature" in terrestrial food webs using meta-analysis.
    Ecology, 95 (1): 44-55.
  • Perkin, Elizabeth K.; Hölker, Franz; Tockner, Klement (2014):
    The effects of artificial lighting on adult aquatic and terrestrial insects.
    Freshwater Biology, 59 (2): 368-377.
  • Rosado, Joana; Morais, Manuela; Tockner, Klement (2014):
    Mass dispersal of terrestrial organisms during first flush events in a temporary stream.
    River Research and Applications,
  • Muehlbauer, Jeffrey D.; Collins, Scott F.; Doyle, Martin W.; Tockner, Klement (2014):
    How wide is a stream?: Spatial extent of the potential "stream signature" in terrestrial food webs using meta-analysis.
    , 95: 44-55.
  • Perkin, Elizabeth K.; Hölker, Franz; Tockner, Klement (2014):
    The effects of artificial lighting on adult aquatic and terrestrial insects.
    , 59: 368-377.
  • Rosado, Joana; Morais, Manuela; Tockner, Klement (2014):
    Mass dispersal of terrestrial organisms during first flush events in a temporary stream.
  • 2013

  • Döring,Michael;Uehlinger,Urs;Tockner,Klement; (2013):
    Vertical hydrological exchange, and ecosystem properties and processes at two spatial scales along a floodplain river (Tagliamento, Italy) .
    Freshwater Science, 32 (1): 12-25.
  • Ostojic,Ana;Rosado,Joana;Milisa,Marko;Morais,Manuela;Tockner,Klement; (2013):
    Release of nutrients and organic matter from river floodplain habitats: simulating seasonal inundation dynamics.
    Wetlands, 33 (5): 847-859.
  • Langhans,Simone;Richard,Urs;Rueegg,Janine;Uehlinger,Urs;Edwards,Peter;Döring,Michael;Tockner,Klement; (2013):
    Environmental heterogeneity affects input, storage, and transformation of coarse particulate organic matter in a floodplain mosaic.
    Aquatic Sciences, 75 (3): 335-348.
  • Pahl-Wostl,Claudia;Arthington,Angela;Bogardi,Janos;Bunn,Stuart E.;Hoff,Holger;Lebel,Louis;Nikitina,Elena;Palmer,Margaret;Poff,LeRoy N.;Richards,Keith;Schlüter,Maja;Schulze,Roland;St.-Hilaire, Andre;Tharme, Rebecca; Tockner, Klement; Tsegai, Daniel (2013):
    Environmental flows and water governance: managing sustainable water uses.
    Current Opinion in Environmental Sustainability, 5 (3): 341-351.
  • Karaus,Ute;Larsen,Stefano;Guillong,Helene;Tockner,Klement; (2013):
    The contribution of lateral aquatic habitats to insect diversity along river corridors in the Alps.
    Landscape Ecology, 28 (9): 1755-1767.
  • Hanafiah,Marlia M.;Leuven,Rob S. E. W.;Sommerwerk,Nike;Tockner,Klement;Huijbregts,Mark A. J.; (2013):
    Including the introduction of exotic species in life cycle impact assessment : the case of inland shipping.
    Environmental Science and Technology, 47 (24): 13934-13940.
  • Hanafiah,Marlia M.;Leuven,Rob S.E.W.;Sommerwerk,Nike;Tockner,Klement;Huijbregts,Mark A.J.; (2013):
    Including the Introduction of Exotic Species in Life Cycle Impact Assessment: The Case of Inland Shipping.
    Environmental Science and Technology, 47 (24): 13934-13940.
  • 2012

  • Beniston,Martin;Stoffel,Markus;Harding,Richard;Kernan,Martin;Ludwig,Ralf;Moors,Eddy;Samuels,Paul;Tockner,Klement; (2012):
    Obstacles to data access for research related to climate and water: Implications for science and EU policy-making.
    Environmental Science & Policy, 17: 41-48.
  • Steward,Alisha L.;Von Schiller,Daniel;Tockner,Klement;Marshall,Jonathan C.;Bunn,Stewart E.; (2012):
    When the river runs dry: human and ecological values of dry riverbeds.
    Frontiers in Ecology and the Environment, 10 (4): 202-209.
  • Tockner,Klement; (2012):
    Vom struktur- zum funktionsbasierten Gewässermanagement.
    Natur und Mensch, 54 (2): 18-21.
  • Peter,Simone;Rechsteiner,Romana;Lehmann,Moritz F.;Brankatschk, R.;Vogt,Tobias;Diem,S.;Wehrli,Bernhard;Tockner,Klement;Durisch-Kaiser,Edith; (2012):
    Nitrate removal in a restored riparian groundwater system: functioning and importance of individual riparian zones .
    Biogeosciences, 9 (11): 4295-4307.
  • Ricaurte,Luisa Fernanda;Boesch,Sarah;Jokela,Jukka;Tockner,Klement; (2012):
    The distribution and environmental state of vegetated islands within human-impacted European rivers .
    Freshwater Biology, 57 (12): 2539-2549.
  • Tonolla,Diego;Wolter,Christian;Ruhtz,Thomas;Tockner,Klement; (2012):
    Linking fish assemblages and spatiotemporal thermal heterogeneity in a river-floodplain landscape using high-resolution airborne thermal infrared remote sensing and in-situ measurements .
    Remote Sensing of Environment, 125: 134-146.
  • De Wever,Aaike ;Schmidt-Kloiber,Astrid;Gessner,Mark O.;Tockner,Klement; (2012):
    Freshwater journals unite to boost primary biodiversity data publication .
    Bioscience, 62 (6): 529-530.
  • Diener,Stefan;Studt Solano,Nandayure M. ;Gutierrez,Floria Roa;Zurbrügg,Christian;Tockner,Klement; (2012):
    Biological treatment of municipal organic waste using black soldier fly larvae .
    Waste and Biomass Valorization, 2 (4): 357-363.
  • Tockner,Klement;Pusch,Martin;Gessner,Jörn;Wolter,Christian; (2012):
    Domesticated ecosystems and novel communities: challenges for the management of large rivers.
    Ecohydrology & Hydrobiology, 11 (3): 167-174.
  • 2011

  • Pahl-Wostl, Claudia; Nilsson,Christer; Gupta,Joyeeta; Tockner,Klement; (2011):
    Societal learning needed to face the water challenge.
    Ambio, 40 (5): 549-553.
  • Harner,Mary J.;Opitz,Nora;Geluso,Keith;Tockner,Klement;Rillig,Matthias C.; (2011):
    Arbuscular mycorrhizal fungi on developing islands within a dynamic river floodplain : an investigation across successional gradients and soil depth.
    Aquatic Sciences, 73 (1): 35-42.
  • Steward,Alisha L.; ;Marshall,Jonathan C. ;Sheldon,Fran ;Harch,Bronwyn ;Choy,Satish ;Bunn,Stuart E.;Tockner,Klement; (2011):
    Terrestrial invertebrates of dry river beds are not simply subsets of riparian assemblages..
    Aquatic Sciences, 73 (4): 551-566.
  • Döring,Michael;Uehlinger,Urs;Ackermann,Thekla;Woodtli, Michael ;Tockner,Klement; (2011):
    Spatiotemporal heterogeneity of soil and sediment respiration in a river-floodplain mosaic (Tagliamento, NE Italy). .
    Freshwater Biology, 56 (7): 1297-1311.
  • Samaritani, E. ;Shrestha, J. ;Fournier, B. ;Frossard, E. ;Gillet, F. ;Guenat,C.;Niklaus,P. A. ;Pasquale,N.;Tockner,Klement;Mitchell,E.A.D. ;Luster,Jörg; (2011):
    Heterogeneity of soil carbon pools and fluxes in a channelized and a restored floodplain section..
    Hydrology and Earth System Sciences, 15 (6): 1757-1769.
  • Tockner,Klement; (2011):
    Obituary : Horst Behrendt 1950-2008 .
    International Review of Hydrobiology, 96 (5): 427-434.
  • Wiggering,Hubert;Tockner,Klement;Lischeid,Gunnar;Podhora,Aranka; (2011):
    Wasser: Achtung!: Klimawandel, schwindende Seen und warum Moskitos Weltenbummler werden.
    Zwischenruf, 2011 (1): 4-7.
  • Perkin,Elizabeth;Hölker,Franz;Richardson,John S.;Sadler,Jon P.;Wolter,Christian;Tockner,Klement; (2011):
    The influence of artificial light on freshwater and riparian ecosystems: Questions, challenges, and perspectives.
    Ecosphere, 2 (11)
  • Tonolla,Diego;Lorang,Mark S.;Heutschi,Kurt ;Gotschalk,Chris C.;Tockner,Klement; (2011):
    Characterization of spatial heterogenety in underwater soundscapes at the river segment scale.
    Limnology and Oceanography, 56 (6): 2319-2333.
  • 2010

  • Hölker F;Wolter C;Perkin E;Tockner K; (2010):
    Light pollution as a biodiversity threat.
    Trends in Ecology and Evolution, 25: 681-682.
  • Hölker F;Moss T;Griefahn B;Kloas W;Voigt C;Henckel D;Hänel A;Kappeler P;Völker S;Schwope A;Franke S;Uhrlandt D;Fischer J;Klenke R;Wolter C;Tockner K; (2010):
    The dark side of light: a transdisciplinary research agenda for light pollution policy.
    Ecology and Society, 15 (4): 1-11.
  • Indermaur L;Schaub M;Jokela J;Tockner K;Schmidt BR; (2010):
    Differential response to abiotic conditions and predation risk, rather than competition avoidance, determine breeding site selection by anurans.
    Ecography, 33 (5): 887-895.
  • Milner AM;Tockner K; (2010):
    River Science - what has it contributed to general ecological theory?.
    River Research and Applications, 26 (1): 1-4.
  • Sommerwerk N;Bloesch J;Paunovic M;Baumgartner C;Venohr M;Schneider-Jacoby M;Hein T;Tockner K; (2010):
    Managing the world's most international river basin : the Danube River basin.
    Marine and Freshwater Research, 61 (7): 736-748.
  • Tockner K;Pusch MT;Borchardt D;Lorang MS; (2010):
    Multiple stressors in coupled river-floodplain ecosystems.
    Freshwater Biology, 55: 135-151.
  • Tockner K;Lorang MS;Stanford JA; (2010):
    River flood plains are model ecosystems to test general hydrogeomorphic and ecological concepts.
    River Research and Applications, 26 (1): 76-86.
  • Acuña V;Tockner K; (2010):
    The effects of alterations in temperature and flow regime on organic carbon dynamics in Mediterranean river networks.
    Global Change Biology, 16 (9): 2638-2650.
  • Yoshimura C;Fujii M;Omura T;Tockner K; (2010):
    Instream release of dissolved organic matter from coarse and fine particulate organic matter of different origins.
    Biogeochemistry, 100: 151-165.
  • Indermaur L;Schmidt BR;Tockner K;Schaub M; (2010):
    Spatial variation in abiotic and biotic factors in a floodplain determine anuran body size and growth rate at metamorphosis.
    Oecologia, 163 (3): 637-649.
  • Larned ST;Datry T;Arscott DB;Tockner K; (2010):
    Emerging concepts in temporary-river ecology.
    Freshwater Biology, 55 (4): 717-738.
  • Tonolla D;Acuña V;Lorang MS;Heutschi K;Tockner K; (2010):
    A field-based investigation to examine underwater soundscapes of five common river habitats.
    Hydrological Processes, 24: 3146-3156.
  • Tonolla D;Acuña V;Uehlinger U;Frank T;Tockner K; (2010):
    Thermal Heterogeneity in River Floodplains.
    Ecosystems, 13 (5): 727-740.
  • 2009

  • Hölker F;Voigt C;Wolter C;Perkin E;Tockner K; (2009):
    Der Verlust der Nacht ist auch ein ökologisches Problem.
    Zwischenruf, 2: 18-21.
  • Tockner K;Tonolla D;Junker B;Heutschi K; (2009):
    Der Klang der Flüsse.
    Nationalpark, 143 (1): 20-21.
  • Indermaur L;Gehring M;Wehrle W;Tockner K;Naef-Daenzer B; (2009):
    Behaviour-Based Scale Definitions for Determining Individual Space Use: Requirements of Two Amphibians.
    American Naturalist, 173: 60-71.
  • Bertoldi W;Gurnell A;Surian N;Tockner K;Zanoni L;Ziliani L;Zolezzi G; (2009):
    Understanding reference processes: Linkages between river, flows, sediment dynamics and vegetated landforms along the Tagliamento River, Italy.
    River Research and Applications, 25: 501-516.
  • Acuña V;Tockner K; (2009):
    Surface-subsurface water exchange rates along alluvial river reaches control the thermal patterns in an Alpine river network.
    Freshwater Biology, 54: 306-320.
  • Tockner K;Wüest A;Findlay S; (2009):
    Aquatic Sciences celebrates its 20th anniversary.
    Aquatic Sciences, 71: 1-2.
  • Indermaur L;Winzeler T;Schmidt BR;Tockner K;Schaub M; (2009):
    Differential resource selection within shared habitat types across spatial scales in sympatric toads.
    Ecology, 12: 3430-3444.
  • Diener S;Zurbrügg C;Tockner K; (2009):
    Conversion of organic material by black soldier fly larvae: establishing optimal feeeding rates.
    Waste Management & Research, 27: 603-610.
  • Tonolla D;Lorang MS;Heutschi K;Tockner K; (2009):
    A flume experiment to examine underwater sound generation by flowing water.
    Aquatic Sciences, 71: 449-462.
  • Gurnell A;Tubino M;Tockner K; (2009):
    Linkages and feedbacks in highly dynamic alpine fluvial systems.
    Aquatic Sciences, 71 (3): 251-252.
  • 2008

  • Paetzold A;Yoshimura C;Tockner K; (2008):
    Riparian arthropod responses to flow regulation and river channelization.
    Journal of Applied Ecology, 45: 894-903.
  • Tockner K; (2008):
    Wenn die Nacht zum Tage wird: Lichtverschmutzung - ein stark unterschätztes Problem für Mensch und Natur.
    Grünblick, 77: 4-5.
  • Arrigoni A;Findlay S;Fischer D;Tockner K; (2008):
    Predicting Carbon and Nutrient Transformations in Tidal Freshwater Wetlands of the Hudson River.
    Ecosystems, 11: 790-802.
  • Langhans S;Tiegs S;Gessner MO;Tockner K; (2008):
    Leaf-decomposition heterogeneity across a riverine floodplain mosaic.
    Aquatic Sciences, 70: 337-346.
  • Yoshimura C;Gessner MO;Tockner K; (2008):
    Chemical properties, microbial respiration, and decomposition of coarse and fine particulate organic matter.
    Journal of the North American Benthological Society, 27 (3): 664-673.
  • Acuña V;Wolf A;Uehlinger U;Tockner K; (2008):
    Temperature dependence of stream benthic respiration in an Alpine river network under global warming.
    Freshwater Biology, 53: 2076-2088.
  • 2007

  • Döring M;Uehlinger U;Schläpfer D;Rotach A;Tockner K; (2007):
    Large-scale expansion and contraction dynamics along an unconstrained Alpine alluvial corridor (Tagliamento River, northeast Italy).
    Earth Surface Processes and Landforms, 32: 1693-1704.
  • Tockner K; (2007):
    River restoration: linking science with application.
    Ecology and Civil Engineering, 10 (1): 15-25.