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Sebastian Diehl

Professor of ecology who develops mathematical models for describing and understanding the dynamics of aquatic ecosystems

Research qualifications: Docent

Works at

Affiliation
Location
KB. H3, Linnaeus väg 6, Umeå, A3-20-21 Umeå universitet, 901 87 Umeå

My research and teaching use mathematical modeling as a tool for describing and understanding the dynamics of aquatic ecosystems. My administrative responsibilities include being final examiner for the PhD education at my department, chair of the advisory council of Umeå Marince Science Centre (UMSC), and member of the steering group of the Integrated Science Lab (IceLab).

I am interested in how environmental factors and the presence/absence of certain organisms drive and constrain consumer-resource interactions and the resulting ecosystem dynamics. The studied environmental factors include nutrient and light supply, turbulent mixing, and water temperature in lakes, as well as physical transport processes and disturbances in streams. Study organisms include planktonic and benthic algae, bacteria, protists, planktonic microinvertebrates, benthic macroinvertebrates, fish, and water birds.

Dynamic systems behave often in unexpected ways. Where possible, I therefore translate assumptions into mathematical models from which I derive expectations. Assumptions and predictions of these models are then tested and refined in an iterative process involving field and laboratory experiments and, to a lesser extent, comparative field studies.

Much of my research is performed in the project "Climate induced regime shifts in northern lake ecosystems" ("Changing Lakes") in which a large group of researchers studies how increased water temperature and increased terrestrial inputs of nutrients and organic carbon (humic matter) affect primary and fish production and exchange of greenhouse gases with the atmosphere. One goal of the project is the development of a mathematical ecosystem model that can predict future fish production and greenhouse gas exchange in different types of northern lakes.

I hold an undergraduate degree in biology from the University of Göttingen (Germany) and a PhD in animal ecology from Umeå University (1994). I did postdoctoral studies at the University of California at Santa Barabara (1994-1996) and was professor of aquatic ecology at Ludwig-Maximilians-Universität in Munich (1996-2009) before I moved back to Umeå.

Ecology Letters, John Wiley & Sons 2023, Vol. 26, (5) : 717-728
Gronchi, Enzo; Straile, Dietmar; Diehl, Sebastian; et al.
Ecology
Diehl, Sebastian; Berger, Stella; Uszko, Wojciech; et al.
Global Change Biology, John Wiley & Sons 2021, Vol. 27, (9) : 1976-1990
Gronchi, Enzo; Jöhnk, Klaus D.; Straile, Dietmar; et al.
Ecosphere, Wiley-Blackwell 2020, Vol. 11, (4)
Uszko, Wojciech; Diehl, Sebastian; Wickman, Jonas
Limnology and Oceanography, Association for the Science of Limnology and Oceanography 2019, Vol. 64, (3) : 1186-1199
Maier, Dominique B.; Diehl, Sebastian; Bigler, Christian
Global Change Biology, John Wiley & Sons 2019, Vol. 25 : 504-521
Vasconcelos, Francisco Rivera; Diehl, Sebastian; Rodríguez, Patricia; et al.
Ecology Letters, John Wiley & Sons 2019, Vol. 22, (11) : 1746-1756
Wickman, Jonas; Diehl, Sebastian; Brännström, Åke
Freshwater Biology, John Wiley & Sons 2018, Vol. 63, (7) : 662-675
Diehl, Sebastian; Thomsson, Gustaf; Kahlert, Maria; et al.
Ecosystems (New York. Print), Springer 2018, Vol. 21, (6) : 1255-1268
Vasconcelos, Rivera Francisco; Diehl, Sebastian; Rodríguez, Patricia; et al.
Ecology Letters, Vol. 20, (4) : 513-523
Uszko, Wojciech; Diehl, Sebastian; Englund, Göran; et al.
American Naturalist, UNIV CHICAGO PRESS 2017, Vol. 189, (4) : 381-395
Wickman, Jonas; Diehl, Sebastian; Blasius, Bernd; et al.
Ecology Letters, Vol. 19, (4) : 487-494
Henriksson, Anna; Wardle A., David; Trygg, Johan; et al.
Ecology, Vol. 97, (10) : 2580-2592
Vasconcelos, Francisco Rivera; Diehl, Sebastian; Rodriguez, Patricia; et al.
Ecology Letters, Vol. 18, (6) : 553-562
Declerck, Steven A. J.; Malo, Andrea R.; Diehl, Sebastian; et al.
ICES Journal of Marine Science, Vol. 72, (6) : 2051-2060
Diehl, Sebastian; Berger, Stella A.; Soissons, Quentin; et al.
Ecology, John Wiley & Sons 2015, Vol. 96, (12) : 3243-3256
Uszko, Wojciech; Diehl, Sebastian; Pitsch, Nadine; et al.
Limnology and Oceanography, Vol. 60, (2) : 641-656
Wollrab, Sabine; Diehl, Sebastian
Freshwater Biology, Vol. 59, (10) : 2204-2220
Berger, Stella A.; Diehl, Sebastian; Stibor, Herwig; et al.
Ecological Monographs, Vol. 84, (2) : 287-302
Jäger, Christoph G.; Diehl, Sebastian
Ecology, Ecological Society of America 2013, Vol. 94, (12) : 2886-2897
Wollrab, Sabine; de Roos, Andre M.; Diehl, Sebastian
Ecology and Evolution, Vol. 2, (12) : 3110-3122
Behl, Stephan; de Schryver, Vera; Diehl, Sebastian; et al.
Marine Biology, Vol. 159, (11) : 2431-2440
Sebastian, Patrizia; Stibor, Herwig; Berger, Stella; et al.
Marine Biology, Vol. 159, (11) : 2491-2501
Winder, Monika; Berger, Stella A; Lewandowska, Aleksandra; et al.
Ecology Letters, Wiley-Blackwell 2012, Vol. 15, (9) : 935-946
Wollrab, Sabine; Diehl, Sebastian; De Roos, Andre M.
Journal of Animal Ecology, Vol. 80, (3) : 603-14
Effenberger, Michael; Diehl, Sebastian; Gerth, Maximilian; et al.
Ecology Letters, Wiley 2011, Vol. 14, (9) : 914-21
Englund, Göran; Öhlund, Gunnar; Hein, Catherine L; et al.
Global Change Biology, Vol. 16, (7) : 1954-1965
Berger, Stella A; Diehl, Sebastian; Stibor, Herwig; et al.
The American naturalist, Vol. 175 : E91-E104
Jäger, Christoph G; Diehl, Sebastian; Emans, Maximilian
Limnology and Oceanography, Vol. 54, (5) : 1746-1752
Striebel, M.; Bartholme, S.; Zernecke, R.; et al.
American Naturalist, Vol. 174, (1) : 141-147
Striebel, M.; Behl, S.; Diehl, S.; et al.
Freshwater Biology, Vol. 53, (5) : 996-1011
Effenberger, M.; Engel, J.; Diehl, S.; et al.
Ecology, Vol. 89, (5) : 1272-1286
Jager, C. G.; Diehl, S.; Matauschek, C.; et al.
Limnology and Oceanography, Vol. 53, (6) : 2361-2373
Jäger, Christoph G.; Diehl, Sebastian; Schmidt, Gertraud M.
Oecologia, Vol. 150, (4) : 643-654
Berger, S. A.; Diehl, S.; Stibor, H.; et al.
Ecology, Vol. 88, (11) : 2915-2925
Haas, K.; Kohler, U.; Diehl, S.; et al.
Oikos, Vol. 116, (7) : 1128-1143
Hall, S. R.; Shurin, J. B.; Diehl, S.; et al.
American Naturalist, Vol. 168, (3) : 358-372
Anderson, K. E.; Nisbet, R. M.; Diehl, S.
Limnology and Oceanography, Vol. 51, (4) : 1898-1905
Berger, S. A.; Diehl, S.; Kunz, T. J.; et al.
Ecology Letters, Vol. 8, (9) : 933-943
Anderson, K. E.; Nisbet, R. M.; Diehl, S.; et al.
Ecology, Vol. 86, (11) : 2931-2945
Diehl, S.; Berger, S.; Wohrl, R.
Theoretical Population Biology, Vol. 67, (2) : 85-99
Krivan, V.; Diehl, S.
Oikos, Vol. 108, (2) : 386-400
Roll, S. K.; Diehl, S.; Cooper, S. D.
Ecology Letters, Vol. 7, (4) : 321-328
Stibor, H.; Vadstein, O.; Diehl, S.; et al.
Freshwater Biology, Vol. 48, (6) : 1050-1063
Kunz, T. J.; Diehl, S.
Limnology and Oceanography, Vol. 48, (5) : 1903-1912
Ptacnik, R.; Diehl, S.; Berger, S.
Ecology Letters, Vol. 5, (2) : 302-315
Chase, J. M.; Abrams, P. A.; Grover, J. P.; et al.

Research groups

Contact person
Mathematical ecology
Group member