Olle Calles

 
Docent i biologi

Forskning

Forskning främst på vandrande fisk med fokus på åtgärder för att möjliggöra uppströms- och nedströmspassage av vattenkraftverk.

Samverkan

  • Kraftbolag: E.ON, Falkenberg Energi, Gävle Energi, Fortum
  • Myndigheter: HaV, Länsstyrelserna i Värmland, Dalarna, Halland, Gävle, Västernorrland m.fl.
  • Kommuner: Falkenberg, Karlstad, Gävle m.fl.

Utvalda publikationer

  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.

Publikationer