Olle Calles

 
Associate professor

Research

My research focuses on river rehabilitation techniques and fish migration in regulated rivers.

Selected publications

  1. 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.
  2. Bolonina, A., Comoglio, C., Calles, O. and Kunickis (2016). Strategies for mitigating the impact of hydropower plants on the stocks of diadromous species in the Daugava River. Energy procedia. 95: 81-88.
  3. Hagelin, A., Calles, O., Greenberg, L.A., Piccolo, J. and Bergman, E. (2016). The migratory behaviour and fallback rate of landlocked Atlantic salmon (Salmo salar) in a regulated river: Does timing matter? River Research & Applications. 32: 1402-1409.
  4. Nyqvist, D., Calles, O., Bergman, E., Hagelin, A. and Greenberg, L.A. (2016). Post-spawning survival and downstream migration of landlocked Atlantic salmon (Salmo salar) in a regulated river. River Research & Applications. 32: 1008–1017.
  5. Hagelin, A., Calles, O., Greenberg, L.A., Piccolo, J. and Bergman, E. (2016). Spawning migration of wild and supplementary stocked landlocked Atlantic salmon (Salmo salar). River Research & Applications. 32: 383-389.
  6. Watz, J., Bergman, E., Calles, O.,Enefalk, Å., Gustafsson, S., Hagelin, A., Nilsson, P.A., Norrgård,J.R., Nyqvist,D., Österling, E.M., Piccolo, J.J., Schneider, L.D., Greenberg, L.A., and Jonsson, B. (2015). Ice cover alters the behavior and stress level of brown trout Salmo trutta. Behavioral ecology. 26 (3): 820-827
  7. Hart, P.J.B., Bergman, E., Calles, O., Eriksson, S., Gustafsson, S., Lans, L., Norrgård, J., Piccolo, J., Rees, N., Watz, J., Österling, M., & Greenberg, L.A. (2014). Familiarity with a partner facilitates the movement of drift foraging juvenile grayling (Thymallus thymallus) into a new habitat area. Environmental Biology of Fishes. 97: 515-522.
  8. Vezza, P., Parasiewicz, P., Calles, O., Spairani, M., and Comoglio, C. (2014). Modelling habitat requirements of bullhead (Cottus gobio) in Alpine streams. Aquatic Sciences. 76, 1-15.
  9. Gustafsson S, Österling M, Skurdal J, Schneider LD, Calles O. 2013. Macroinvertebrate colonization of a nature-like fishway: The effects of adding habitat heterogeneity. Ecological Engineering. 61, Part A: Sid. 345-353.
  10. Calles, O., Karlsson, S., Vezza, P., Comoglio, C. and Tielman, J. (2013) Success of a low-sloping rack for improving downstream passage of silver eels at a hydroelectric plant. Freshwater Biology. 58, 2168-2179.
  11. Calles, O., Rivinoja, P., and Greenberg, L.A. (2013). A historical perspective on downstream passage at hydroelectric plants in Swedish rivers. In: Ecohydraulics: an integrated approach. Edited by: Ian Maddock, Atle Harby, Paul Kemp and Paul Wood. John Wiley & Sons Ltd, West Sussex, UK. Chapter 18, pages 309–322.
  12. Calles O, Karlsson S, Hebrand M, Comoglio C. 2012. Evaluating technical improvements for downstream migrating diadromous fish at a hydroelectric plant. Ecological Engineering. 48: Sid. 30-37.
  13. Greenberg LA, Calles O, Andersson J, Engqvist T. 2012. Effect of trash diverters and overhead cover on downstream migrating brown trout smolts. Ecological Engineering. 48: Sid. 25-29.
  14. Pini Prato, E., Comoglio, C. & Calles, O. 2011. A simple management tool for planning the restoration of river longitudinal connectivity at watershed level: priority indeces for fish passes. , 27 (Suppl. 3), 73-79.
  15. Lans, L., Greenberg, L.A., Karlsson, J., Calles, O. & Schmitz, M. (2011) The effects of ration size on migration by hatchery-raised Atlantic salmon (Salmo salar) and brown trout (Salmo trutta). Ecology of Freshwater Fish, 20, 548-557.
  16. Calles, O., Olsson, I.C., Comoglio, C., Kemp, P., Blunden, L., Schmitz, M. & Greenberg, L.A. (2010) Size-dependent mortality of migratory silver eels at a hydropower plant, and implications for escapement to the sea. Freshwater Biology, 55, 2167-2180.
  17. Russon, I.J., Kemp, P.S. & Calles, O. (2010) Response of downstream migrating adult European eels (Anguilla anguilla) to bar racks under experimental conditions. Ecology of Freshwater Fish, 19, 197-205.
  18. Greenberg, L. & Calles, O. (2010) Restoring ecological connectivity in rivers to improve conditions for anadromous brown trout Salmo trutta. In: Paul Kemp (ed.) Salmonid Fisheries: Freshwater Habitat Management. West Sussex: Blackwell publishing. 148-163.
  19. Calles, O. & Greenberg, L.A. 2009. Connectivity is a two-way street - The need for a holistic approach to fish passage problems in regulated rivers. River Research & Applications. 25: 1268-1286.
  20. Nyberg, L., Calles, E.O. & Greenberg, L.A. 2008. Impact of short-term regulation on hyporheic water quality in a boreal river. River Research & Applications. 24: 407-419.
  21. Calles, E.O., Nyberg, L. & Greenberg, L.A. 2007. Temporal and spatial variation in quality of hyporheic water in one unregulated and two regulated boreal rivers. River Research & Applications. 23: 829–842.
  22. Calles, E.O. & Greenberg, L.A. 2007. The use of two nature-like fishways by some fish species in the Swedish River Emån. Ecology of Freshwater Fish. 16: 183-190.
  23. Calles, O. & Greenberg, L. 2005. Evaluation of nature-like fishways for re-establishing connectivity in fragmented salmonid populations in the River Emån. River Research & Applications 21: 951-960.

Publications