Olle Calles

Research
In rivers with hydropower development, river connectivity is degraded or, in many cases, completely disrupted, resulting in bottlenecks for the life-history completion of riverine fish populations in general and of diadromous fish populations in particular. To resolve such anthropogenically induced bottlenecks, fish passage solutions are typically implemented at migration barriers. Evaluation often shows that passage solutions perform poorly. Even more alarmingly, the vast majority of the implemented passage solutions remain unevaluated and their functionality is hence unknown.
Calles has led several research projects on fish migration and the design, implementation and evaluation of fish passage solutions funded by e.g. Formas, the KK-foundation, Energiforsk etc. More recent examples are the newly initiated Horizon 2020 - Marie Skłodowska-Curie Innovative Training Network RIBES (https://www.msca-ribes.eu/) and the EU-LIFE Nature and Biodiversity project LIFE Connects (https://lifeconnects.se/?lang=en).
Calles is part of the River Ecology and management research group (RivEM) (https://www.kau.se/en/nrrv) that was awarded extra internal funding to develop from a strong to an excellent research group.
Teaching
I have been teaching throughout my academic career, and I have been involved in courses such as Basic Ecology, Freshwater Ecology, Ecological Resource Management, Evolution and I am currently course leader of the Master course Methods in Freshwater Ecology. I find teaching and course development very rewarding and take great joy in contributing to the successful education of our students. This has been achieved by teaching theory, concepts and practical biology at the undergraduate level, as well as course development and supervising bachelor and master theses and engaging students in ongoing research projects. To increase the contact between students and potential employers, one of my main activities as subject representative (ämnesföreträdare) in 2019 was to initiate “Grön dag” (Green day). Grön dag 2019 included a full-day program with workshops and presentations by potential employers, researchers and students.
Collaboration
Externally funded applied research projects is all about external cooperation of which I now have close to 20 years’ of experience. I have collaborated with a large variety of external partners such as County Administration Boards (e.g. Gävleborg, Kalmar, Blekinge, Uppsala, Skåne, Halland), municipalities (e.g. Gävle, Falkenberg, Mönsterås, Karlstad etc.), major power companies (e.g. Uniper, Vattenfall, Fortum, Statkraft, Tekniska verken etc.), privately owned power companies (Vebro industri AB, Ulf Levein, Knut Aal AS etc.), consultancies (e.g. Sweco, Norconsult, Fiskevårdsteknik AB, Hydroterra) and international companies and organizations like Latvenergo (Latvia), World fish migration foundation (Netherlands), WWF (Netherlands), ICE (Costa Rica) and Food and Agriculture Organization of the United Nations (Italy).
Selected publications
- Watz, J., Aldvén, D., Apostolos Brouziotis, A., Carlsson, N., Karathanou, E., Lund-Bjørnås, K., Lundqvist, G., Österling, M., Piccolo, J.J. and Calles, O. (2020). Social behaviour of European grayling before and after flow peaks in restored and unrestored habitats. River Research & Applications. Early online: 1-10.
- Watz, J., Nilsson. P.A., Degerman, E., Tamario, C. and Calles, O. (2019). Climbing the ladder: an evaluation of three different anguillid eel climbing substrata and placement of upstream passage solutions at migration barriers. Animal Conservation. 22.:452-462.
- Tamario, C., Calles, O., Watz, J., Nilsson. P.A. and Degerman, E. (2019). Coastal river connectivity and the distribution of ascending juvenile European eel (Anguilla anguilla L.) – implications for conservation strategies regarding fish passage solutions. Aquatic Conservation: Marine and Freshwater Ecosystems. 29: 612-622.
- Szabo-Meszarosa, M., Navaratnama, C.U., Aberle, J., Silva, A.T., Forseth, T., Calles, O., Fjeldstad, H-P. and Alfredsen, K. (2018). Experimental hydraulics on fish-friendly trash-racks: an ecological approach. Ecological Engineering. 113: 11-20.
- Nyqvist, D., Nilsson, P.A., Alenäs, I., Elghagen, J., Hebrand, M., Karlsson, S. Kläppe, S. & Calles, O. (2017). Upstream and downstream passage of migrating adult Atlantic salmon: Remedial measures improve passage performance at a hydropower dam. Ecological Engineering. 102: 331-343.
Publications
- Johan Watz, David Alvdén, Antonis Apostolos Brouziotis, Niclas Carlsson, Eirini Karathanou, Kristine Lund Bjørnås, Gustav Lundqvist, Martin Österling, John Piccolo, Olle Calles, 2020
- Per Anders Nilsson, Ivi J. Pettersson, Carl Tamario, Erik Degerman, Jonas Elghagen, Johan Watz, Olle Calles, 2020
- Daniel Nygvist, Filippa Hedenberg, Olle Calles, Martin Österling, Ted von Proschwitz, Johan Watz, 2020
- Daniel Nyqvist, Matiss Zagars, Olle Calles, Claudio Comoglio, 2019
- Johan Watz, 2019
- Carl Tamario, Olle Calles, Johan Watz, Per Anders Nilsson, Erik Degerman, 2019
- John Piccolo, Richard D. Durtsche, Johan Watz, Martin Österling, Olle Calles, 2019
- Erik Degerman, Carl Tamario, Johan Watz, Per Anders Nilsson, Olle Calles, 2019
- Daniel Nyqvist, J. Elghagen, M. Heiss, Olle Calles, 2018
- Johan Watz, Per Anders Nilsson, Erik Degerman, Carl Tamario, Olle Calles, 2018
- Marcell Szabo-Meszaros, Christy Ushanth Navaratnam, Jochen Aberle, Ana T. Silva, Torbjorn Forseth, Olle Calles, Hans-Petter Fjeldstad, Knut Alfredsen, 2018
- Johan Watz, Olle Calles, Niclas Carlsson, Collin Teemu, Ari Huusko, Johnsson Jörgen, Per Anders Nilsson, Johnny Norrgård, Daniel Nyqvist, 2018
- Daniel Nyqvist, S. D. McCormick, Larry Greenberg, W. R. Ardren, Eva Bergman, Olle Calles, Theodore Castro-Santos, 2017
- Johan Watz, Jonas Elghagen, Per Anders Nilsson, Olle Calles, 2017
- Daniel Nyqvist, Eva Bergman, Olle Calles, Larry Greenberg, 2017
- Daniel Nyqvist, Larry Greenberg, Olle Calles, Elsa Goerig, Eva Bergman, William Ardren, Theodore Castro-Santos, 2017
- Daniel Nyqvist, Per Anders Nilsson, I Alenäs, J Elghagen, M Hebrand, S Karlsson, S Kläppe, Olle Calles, 2017
- Claudio Comoglio, Paolo Vezza, Piotr Parasiewicz, Katarzyna Suska, Jacek Petela, Olle Calles, 2016
- Daniel Nyqvist, Olle Calles, Eva Bergman, Anna Hagelin, Larry Greenberg, 2016
- Anna Hagelin, Olle Calles, Larry Greenberg, John J. Piccolo, Eva Bergman, 2016
- Alona Bolonina, Claudio Comoglio, Olle Calles, Maris Kunickis, 2016
- Anna Hagelin, Olle Calles, Larry Greenberg, Daniel Nyqvist, Eva Bergman, 2016
- Simon Karlsson, Jonas Christiansson, Olle Calles, 2015
- Johan Watz, Eva Bergman, Olle Calles, Åsa Enefalk, Stina Gustafsson, Anna Hagelin, P. Anders Nilsson, Johnny Norrgård, Daniel Nyqvist, Martin Österling, John J. Piccolo, Lea Dominique Schneider, Larry Greenberg, Bror Jonsson, 2015
- Olle Calles, Stina Gustafsson, Peter Olsson, Karl Gullberg, 2015
- Paul BJ Hart, Eva Bergman, Olle Calles, Stina Eriksson, Stina Gustafsson, Linnea Lans, Johnny R Norrgård, John J Piccolo, Nina Rees, Johan Watz, Martin Österling, Larry Greenberg, 2014
- Olle Calles, Ben Griffioen, Erwin Winter, Johan Watz, Daniel Nyqvist, Anna Hagelin, Stina Gustafsson, Martin Österling, John Piccolo, Larry Greenberg, Eva Bergman, 2014
- Paolo Vezza, P. Parasiewicz, Olle Calles, M. Spairani, Claudio Comoglio, 2014
- Olle Calles, Larry Greenberg, Peter Rivinoja, 2013
- Stina Gustafsson, Martin Österling, Jostein Skurdal, Lea Dominique Schneider, Olle Calles, 2013
- Olle Calles, Simon Karlsson, Paolo Vezza, Claudio Comoglio, Johan Tielman, 2013
- Larry Greenberg, Olle Calles, Jonas Andersson, Therese Engqvist, 2012
- Olle Calles, Simon Karlsson, Mats Hebrand, Claudio Comoglio, 2012
- Olle Calles, 2012
- Olle Calles, 2012
- Olle Calles, Simon Karlsson, Johan Tielman, 2012
- Stina Gustafsson, Olle Calles, Jostein Skurdal, Martin Österling, 2012
- Olle Calles, Stina Gustafsson, Martin Österling, 2012
- Olle Calles, Johan Tielman, Ingemar Alenäs, Mats Hebrand, Krister Lindqvist, 2012
- Olle Calles, Jonas Christiansson, Jonas Andersson, Tony Sahlberg, Florian Stein, Britt-Marie Olsson, Ingemar Alenäs, Johan Tielman, 2012
- Olle Calles, Jonas Christiansson, 2012
- Olle Calles, Florian Stein, Tony Sahlberg, Jonas Christiansson, Britt-Marie Olsson, Johan Tielman, Ingemar Alenäs, 2012
- Enrico Pini Prato, Claudio Comoglio, Olle Calles, 2011
- Olle Calles, 2011
- Olle Calles, Martin Österling, Stina Gustafsson, Nina Rees, 2011
- Olle Calles, Ingemar Alenäs, Johan Tielman, Peter Rivinoja, Krister Lindqvist, 2011
- Olle Calles, Johan Tielman, Claudio Comoglio, Paul Kemp, 2011
- Olle Calles, 2011
- Larry Greenberg, Olle Calles, 2011
- Olle Calles, Johan Tielman, Ingemar Alenäs, Mats Hebrand, Krister Lindqvist, 2011
- Olle Calles, 2011
- Martin Österling, Stina Gustafsson, Olle Calles, 2011
- Stina Gustafsson, Olle Calles, Martin Österling, 2011
- Martin Österling, Olle Calles, Stina Gustafsson, 2011
- Linnea Lans, Larry Greenberg, Jens Karlsson, Olle Calles, Monika Schmitz, Eva Bergman, 2011
- Olle Calles, P Rivinoja, 2011
- Olle Calles, Peter Rivinoja, 2011
- Olle Calles, Martin Österling, S Gustafsson, 2011
- Olle Calles, 2010
- Olle Calles, I Alenäs, J Andersson, S Kläppe, K Lindqvist, P Rivinoja, 2010
- Olle Calles, Larry Greenberg, B Kriström, K Leonardsson, A Paulrud, B Ranneby, 2010
- Olle Calles, J Tielman, C Comoglio, P Kemp, 2010
- Olle Calles, 2010
- Olle Calles, Larry Greenberg, Johan Tielman, Claudio Comoglio, Mats Hebrand, Ingemar Alenäs, 2010
- Olle Calles, M Spairani, D Stellin, P Vezza, C Comoglio, 2010
- Olle Calles, Larry Greenberg, Kjell Leonardsson, Peter Rivinoja, Claudio Comoglio, Paolo Vezza, Paul Kemp, Iain Russon, 2010
- Larry Greenberg, Olle Calles, J Tielman, 2010
- Olle Calles, C Comoglio, P Vezza, 2010
- Olle Calles, C Comoglio, P Vezza, 2010
- Olle Calles, C Comoglio, P Vezza, 2010
- Olle Calles, Johan Tielman, Ingemar Alenäs, Claudio Comoglio, Larry Greenberg, 2010
- Olle Calles, Stefan Kläppe, 2010
- Olle Calles, I Russon, P Kemp, 2010
- Larry Greenberg, Olle Calles, 2010
- Olle Calles, Monika Schmitz, Larry Greenberg, Ivan Olsson, C Comoglio, P.S Kemp, L Blunden, 2010
- Stina Gustafsson, Olle Calles, Martin Österling, 2010
- Olle Calles, P Rivinoja, 2010
- Olle Calles, Johnny Norrgård, S Kläppe, P Rivinoja, 2010
- Olle Calles, Larry Greenberg, 2010
- Olle Calles, Martin Österling, Jonas Andersson, Stina Gustafsson, Paolo Vezza, Claudio Comoglio, Ulf Levein, Magnus Löfqvist, 2010
- Olle Calles, Jonas Andersson, 2010
- Olle Calles, S Kläppe, J Andersson, 2010
- Olle Calles, 2010
- Olle Calles, Larry Greenberg, 2010
- Olle Calles, E Pini Prato, C Comoglio, 2009
- Olle Calles, Martin Österling, Pär Gustafsson, Lars Nyberg, Jan Forsberg, M Hebrand, M Olsson, B Renöfält, H Karlsson, M Johansson, 2009
- Larry Greenberg, Olle Calles, 2009
- Olle Calles, Larry Greenberg, 2009
- Olle Calles, Claudio Comoglio, Simon Karlsson, Mats Hebrand, 2009
- Olle Calles, Larry Greenberg, 2009
- Olle Calles, 2009
- Olle Calles, 2009
- Olle Calles, 2009
- Olle Calles, Jonas Andersson, 2009
- Olle Calles, 2009
- Olle Calles, 2009
- Olle Calles, Daniel Bergdahl, 2009
- Larry Greenberg, Olle Calles, B Kriström, K Leonardsson, B Ranneby, 2009
- Olle Calles, Martin Österling, S Kläppe, I Alenäs, 2009
- Olle Calles, Johan Tielman, 2009
- Olle Calles, 2008
- Olle Calles, 2008
- Olle Calles, Larry Greenberg, 2008
- Lars Nyberg, Olle Calles, Larry Greenberg, 2008
- Olle Calles, 2008
- Olle Calles, 2008
- T. Liinansaari, Olle Calles, Larry Greenberg, 2008
- Eva Bergman, Olle Calles, Larry Greenberg, L Lans, Johnny Norrgård, I Olsson, John J Piccolo, M Schmitz, 2008
- J-E. Nathansson, Olle Calles, 2008
- Olle Calles, 2008
- Olle Calles, 2008
- Olle Calles, Johan Tielman, 2008
- B. Kriström, Larry Greenberg, Olle Calles, K. Leonardsson, B. Ranneby, 2008
- Olle Calles, Larry Greenberg, 2007
- Olle Calles, 2007
- Larry Greenberg, Olle Calles, 2007
- Olle Calles, Larry Greenberg, Monika Schmitz, 2007
- Olle Calles, Larry Greenberg, 2007
- Olle Calles, Lars Nyberg, Larry Greenberg, 2007
- Olle Calles, Lars Nyberg, Larry Greenberg, 2007
- Olle Calles, Larry Greenberg, 2007
- Olle Calles, L.A. Greenberg, 2007
- Olle Calles, Ivan Olsson, Monika Schmitz, Larry Greenberg, Simon Karlsson, Daniel Bergdahl, 2007
- Olle Calles, 2006
- Larry Greenberg, Olle Calles, J. Forsberg, M. Löwgrean, 2006
- Olle Calles, 2006
- Olle Calles, 2006
- Olle Calles, 2006
- Olle Calles, Larry Greenberg, Monika Schmitz, Eva Bergman, Jens Hultman, Jonas Andersson, 2006
- P. Rivinoja, J. Östergren,, J. Young, Olle Calles, P. Karppinen, M. Lindberg, T. Mathes, D. Palm, N. Plantalech, 2006
- M. Stickler, Olle Calles, M. Kiljunen, L. Fast Jensen, L. Sundt-Hansen, Pär Gustafsson, 2006
- Olle Calles, M. Hebrand, 2006
- Olle Calles, Larry Greenberg, 2005
- Olle Calles, Larry Greenberg, 2005
- Olle Calles, Larry Greenberg, 2005
- Olle Calles, L.A. Greenberg, 2005
- Olle Calles, 2005
- Olle Calles, Larry Greenberg, 2005
- Olle Calles, 2005
- Olle Calles, 2005
- Olle Calles, Larry Greenberg, 2003
- H. Olofsson, Olle Calles, 2003
- Olle Calles, Larry Greenberg, Lars Nyberg, Marianne Löwgren, 2003
- Olle Calles, Larry Greenberg, 2003
- Olle Calles, Larry Greenberg, 2002
- Olle Calles, H. Schreiber, 2000
- Olle Calles, P. Hansson, 2000
- Olle Calles, 2000
- Stina Gustafsson, Olle Calles, Martin Österling,
- Stina Gustafsson, Martin Österling, Per Anders Nilsson, Olle Calles,
- Stina Gustafsson, Olle Calles, Skurdal Jostein, Paolo Vezza, Claudio Comoglio, Martin Österling,
- Kristine Lund Bjørnås, Steven F. Railsback, Olle Calles, John Piccolo,
- Olle Calles, Larry Greenberg,
- Olle Calles, L.A. Greenberg,
- Anna Hagelin, Jon Museth, Larry Greenberg, Morten Kraabol, Olle Calles, Eva Bergman,
