Migratory and route-seeking behaviour of ascending Atlantic salmon in the regulated River Tuloma

Karppinen, Petri; Mäkinen, T. S.; Erkinaro, Jaakko; Kostin, V. V.; Sadkovskij, R. V.; Lupandin, A. I.; Kaukoranta, Markku

doi:10.1007/978-94-017-0771-8_4

Cited by 23 publications

(41 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Here the complex flow patterns and large turbine flows directed salmon away from the upstream routes. Areas with these characteristics can be major hindrances for upstream migrating fish (Arnekleiv & Kraabøl, 1996;Karppinen et al, 2002;Thorstad et al, 2003). Ferguson et al (2002) explained the discharge-seeking behaviour as an evolved mechanism that maximises spawning success since fish attracted to the highest discharge normally follow the main branches of rivers on their way to the spawning grounds.…”

Section: Discussionmentioning

confidence: 99%

“…Consequently high dam spills could cause difficulties for the fish to locate the fishway entrance and delay the migrants, as has also been shown previously (Bjornn & Peery, 1992;Quinn et al, 1997). Other studies have described the searching behaviour of fish near fishway entrances (Williams, 1998;Gowans et al, 1999;Karppinen et al, 2002). Laine (1995) mentioned that fish may need to become familiar with the lower parts of the ladder before continuing upstream.…”

Section: Discussionmentioning

confidence: 99%

“…In a regulated river where water is diverted to turbines, changes to the natural flow of the river affect the fish migration. Consequently, problems can arise for adult fish on their way to spawning areas (Arnekleiv & Kraabøl, 1996;Rivinoja et al, 2001;Karppinen et al, 2002). Furthermore, turbines and dams cause elevated mortalities for downstream migrating smolts (Montén, 1985;Coutant & Whitney, 2000) and kelts (Scruton et al, 2002).…”

mentioning

confidence: 99%

See 2 more Smart Citations

Upstream passage problems for wild Atlantic salmon (Salmo salar L.) in a regulated river and its effect on the population

et al. 2008

View full text Add to dashboard Cite

Due to hydropower development, the upstream migration of wild anadromous salmon and brown trout is impaired in many European rivers, causing negative effects on the long-term survival of natural salmonid populations. This study identified problems for Atlantic salmon during upstream migration in a regulated river in northern Sweden, Umeälven (mean flow: 430 m 3 s -1 ). Tagging from 1995 to 2005 involved radio tags (n = 503), PIT tags (n = 1574) and Carlin tags (n = 573) to study the spawning migration of salmon from the coast past the regulated section of the river to a fish ladder at the dam/spillway 32 km upriver. The results demonstrate that migration success from the coast to the fish ladder varied between 0% and 47% among years, indicating an average loss of 70% of potential spawners. Discharge from the turbines attracted the salmon away from the bypass route. Echo-sounding in the turbine outlet showed that salmon were normally found at 1-4 m depths. They responded with upstream and/or downstream movements depending on flow changes; increased spill in the bypass channel attracted salmon to the bypass. Once in the bypass channel, salmon could be delayed and had difficulties passing the first rapid at high spills. Additional hindrances to upstream migration were found at rapids and the area of the fish ladder, located further upstream in the regulated river section. The average migration duration was 44 days from the estuary to the top of the fish ladder, with large variation among individuals within years. Modelling the salmon population dynamics showed a potential population increase of 500% in 10 years if the overall migration success could be improved from the current 30% to levels near 75%. Consequently improved migration facilities at the regulated river section should be implemented to achieve a long-term sustainability of these threatened anadromous salmonids.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

See 1 more Smart Citation

Upstream passage problems for wild Atlantic salmon (Salmo salar L.) in a regulated river and its effect on the population

et al. 2008

View full text Add to dashboard Cite

show abstract

“…During these migrations, fish cope with changes in salinity, water temperature (T water ) and water speed (Hodgson and Quinn, 2002;Klemetsen et al, 2003). Elevated T water linked to climate change, however, is thought to be having a negative impact on migration success in some river systems (Karppinen et al, 2002;Laine et al, 2002;Thorstad et al, 2008). Reports show that salmon temporarily cease migration in water over 21°C , and there is no evidence of successful migrations being established by a population at a temperature in excess of 19°C (Hodgson and Quinn, 2002).…”

Section: Introductionmentioning

confidence: 99%

Rainbow trout provide the first experimental evidence for adherence to a distinct Strouhal number during animal oscillatory propulsion

Nudds

John

Keen

et al. 2014

Journal of Experimental Biology

View full text Add to dashboard Cite

show abstract

“…Karppinen et al 2002, Erkinaro et al 2011, Marttila et al 2014 led to intensive construction of dams on large river systems so that today there are only 2 undammed large river channels (Simojoki and Tornionjoki) within the Finnish part of the Baltic Sea drainage. Because equipping the hydropower plants with fishways has been very rare (Karppinen et al 2002, Erkinaro et al 2011, Marttila et al 2014, the hydro-electricity production has caused the occurrence of anadromous salmonids to collapse as the dams have prevented their natural spawning migration to these rivers. The lack of salmonids in dammed rivers has been compensated by annual stocking of farmed brown trout above the dams, the fish originating from both local (sympatric with FPM) and non-local (allopatric with FPM) strains (Luhta andMoilanen 2006, Hiltunen 2010).…”

Section: The Interactions Between the Freshwater Pearl Mussel And Hosmentioning

confidence: 99%

An alien fish threatens an endangered parasitic bivalve: the relationship between brook trout (Salvelinus fontinalis) and freshwater pearl mussel (Margaritifera margaritifera) in northern Europe

Salonen

Marjomäki

Taskinen

2016

Aquatic Conservation

View full text Add to dashboard Cite

Salonen, JouniThe role of salmonid fishes in conservation of the endangered freshwater pearl mussel (Margaritifera margaritifera) Jyväskylä: University of Jyväskylä, 2016, 48 The abundance of freshwater pearl mussels (Margaritifera margaritifera) has declined widely during the past century, and new conservation initiatives are needed. This thesis focused on the relationship between M. margaritifera and its salmonid host required for reproduction of this species. First, by exposing fish experimentally to glochidium larvae of M. margaritifera, different M. margaritifera populations were shown to demonstrate strong differences in their ability to parasitize different salmonid species. Atlantic salmon was clearly a better host for mussels in large river channels, whereas in small headwater tributaries brown trout was the best, or the only suitable, host. These findings provide a previously unrecognised explanation for the collapse and the lack of recruitment especially of the salmon-specific M. margaritifera populations; a high proportion of large salmon rivers were dammed for hydropower production in the 1960s, which prevented the migration of salmon and thus left M. margaritifera without the appropriate host in these rivers. Furthermore, an invasive salmonid, brook trout, was widely introduced to small tributaries above the dams in the past, but in this study was shown to be an unsuitable host for M. margaritifera. Thus, and due to the tendency of brook trout to replace native brown trout, the spread of brook trout is an additional threat to M. margaritifera. An indication of local adaptation of M. margaritifera, i.e. higher infectivity in sympatric salmonid host strain than in allopatric populations of the same species, was also detected. Finally, a new, nondestructive approach to search for M. margaritifera populations, involving electrofishing and quick visual examination of the gills of captured salmonids, revealed the occurrence of 3 previously unknown populations. The results of this thesis highlight the importance of taking into account the roles of salmonid fish in future efforts to search, protect and restore freshwater pearl mussel populations.

show abstract

Migratory and route-seeking behaviour of ascending Atlantic salmon in the regulated River Tuloma

Cited by 23 publications

References 10 publications

Upstream passage problems for wild Atlantic salmon (Salmo salar L.) in a regulated river and its effect on the population

Upstream passage problems for wild Atlantic salmon (Salmo salar L.) in a regulated river and its effect on the population

Rainbow trout provide the first experimental evidence for adherence to a distinct Strouhal number during animal oscillatory propulsion

An alien fish threatens an endangered parasitic bivalve: the relationship between brook trout (Salvelinus fontinalis) and freshwater pearl mussel (Margaritifera margaritifera) in northern Europe

Contact Info

Product

Resources

About