Search Results - "Aarestrup, K"

River connectivity reestablished: Effects and implications of six weir removals on brown trout smolt migration by Birnie‐Gauvin, K., Candee, M.M., Baktoft, H., Larsen, M.H., Koed, A., Aarestrup, K.

“…Today's river systems have been extensively modified, requiring us to rethink how we approach the management of these important ecosystems. We evaluated the…”
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Survival of Migrating Sea Trout (Salmo trutta) Smolts During Their Passage of an Artificial Lake in a Danish Lowland Stream by Schwinn, M., Aarestrup, K., Baktoft, H., Koed, A.

“…Artificial lake development is often used as a management tool to reduce nutrient runoff to coastal waters. Denmark has restored more than 10 000 ha of…”
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Survival and progression rates of anadromous brown trout kelts Salmo trutta during downstream migration in freshwater and at sea by Aarestrup, Kim, Baktoft, Henrik, Thorstad, Eva B., Svendsen, Jon C., Höjesjö, Johan, Koed, Anders

“…The marine migration of post-spawning anadromous fish remains poorly understood. The present study examined survival and progression rates of anadromous brown…”
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Hydrographic features of anguillid spawning areas: potential signposts for migrating eels by Schabetsberger, Robert, Miller, Michael J., Dall’Olmo, Giorgio, Kaiser, Roland, Økland, Finn, Watanabe, Shun, Aarestrup, Kim, Tsukamoto, Katsumi

“…Catadromous anguillid eels (genus Anguilla) migrate from their freshwater or estuarine habitats to marine spawning areas. Evidence from satellite tagging…”
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Investigating the phenology of seaward migration of juvenile brown trout (Salmo trutta) in two European populations by Winter, E. R., Tummers, J. S., Aarestrup, K., Baktoft, H., Lucas, M. C.

“…Recent evidence supports the existence of a downstream autumn-migratory phenotype in juvenile anadromous brown trout (Salmo trutta), however the precise…”
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Effect of boat noise and angling on lake fish behaviour by Jacobsen, L., Baktoft, H., Jepsen, N., Aarestrup, K., Berg, S., Skov, C.

“…The effects of disturbances from recreational activities on the swimming speed and habitat use of roach Rutilus rutilus, perch Perca fluviatilis and pike Esox…”
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Stress and food deprivation: linking physiological state to migration success in a teleost fish by Midwood, Jonathan D, Larsen, Martin H, Aarestrup, Kim, Cooke, Steven J

“…Food deprivation is a naturally occurring stressor that is thought to influence the ultimate life-history strategy of individuals. Little is known about how…”
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The Anguilla spp. migration problem: 40 million years of evolution and two millennia of speculation by Righton, D., Aarestrup, K., Jellyman, D., Sébert, P., van den Thillart, G., Tsukamoto, K.

“…Anguillid eels Anguilla spp. evolved between 20 and 40 million years ago and possess a number of remarkable migratory traits that have fascinated scientists…”
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Marine depth use of sea trout Salmo trutta in fjord areas of central Norway by Eldøy, S. H., Davidsen, J. G., Thorstad, E. B., Whoriskey, F. G., Aarestrup, K., Næsje, T. F., Rønning, L., Sjursen, A. D., Rikardsen, A. H., Arnekleiv, J. V.

“…The vertical behaviour of 44 veteran sea trout Salmo trutta (275–580 mm) in different marine fjord habitats (estuary, pelagic, near shore with and without…”
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Comparison of vegetable shortening and cocoa butter as vehicles for cortisol manipulation in Salmo trutta by Birnie‐Gauvin, K., Peiman, K. S., Larsen, M. H., Aarestrup, K., Gilmour, K. M., Cooke, S. J.

“…This study demonstrates that vegetable shortening and cocoa butter are two effective vehicles for intraperitoneal cortisol implants in juvenile teleosts,…”
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Genetic and migratory evidence for sympatric spawning of tropical Pacific eels from Vanuatu by Schabetsberger, Robert, Økland, Finn, Kalfatak, Donna, Sichrowsky, Ursula, Tambets, Meelis, Aarestrup, Kim, Gubili, Chrysoula, Sarginson, Jane, Boufana, Belgees, Jehle, Robert, Dall’Olmo, Giorgio, Miller, Michael J., Scheck, Alexander, Kaiser, Roland, Quartly, Graham

“…The spawning areas of tropical anguillid eels in the South Pacific are poorly known, and more information about their life histories is needed to facilitate…”
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Calcium-dependent behavioural responses to acute copper exposure in Oncorhynchus mykiss by Poulsen, S. B., Svendsen, J. C., Aarestrup, K., Malte, H.

“…Using rainbow trout Oncorhynchus mykiss, the present study demonstrated that: (1) calcium (Ca) increased the range of copper (Cu) concentrations that O. mykiss…”
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Environment‐dependent plasticity and ontogenetic changes in the brain of hatchery‐reared Atlantic salmon by Näslund, J., Larsen, M. H., Thomassen, S. T., Aarestrup, K., Johnsson, J. I.

“…Lowered rearing density has repeatedly been shown to increase the performance of hatchery‐reared salmonids stocked into natural environments. One possible…”
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Scanning for PIT-tagged flatfish in a coastal area using a sledge equipped with an RFID antenna by Sparrevohn, C. R., Aarestrup, K., Stenberg, C., Righton, D.

“…A radio frequency identification (RFID) antenna system, build into a sledge that can be towed behind a vessel like a trawl and thereby has the potential to…”
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Behaviour of rainbow trout Oncorhynchus mykiss presented with a choice of normoxia and stepwise progressive hypoxia by Poulsen, S. B., Jensen, L. F., Nielsen, K. S., Malte, H., Aarestrup, K., Svendsen, J. C.

“…The objective of this study was to identify behavioural adjustments leading to avoidance of hypoxia. Using the oxygen‐sensitive species rainbow trout…”
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Loss of European silver eel passing a hydropower station by Pedersen, M. I., Jepsen, N., Aarestrup, K., Koed, A., Pedersen, S., Økland, F.

“…Summary The aim of this study was to assess escapement success of silver eels, Anguilla anguilla (L.), in a lowland river while passing a reservoir and a…”
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Survival of migrating sea trout (Salmo trutta) and Atlantic salmon (Salmo salar) smolts negotiating weirs in small Danish rivers by Aarestrup, K., Koed, A.

“…– The survival of brown trout and Atlantic salmon smolts during passage over small weirs was estimated in two small Danish rivers during the spring of 1998…”
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Movement and mortality of stocked brown trout in a stream by Aarestrup, K., Jepsen, N., Koed, A., Pedersen, S.

“…The movement and mortality of stocked brown trout Salmo trutta were investigated using radio telemetry. Four brown trout left the study area whereas the…”
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Effects of angling and manual handling on pike behaviour investigated by high-resolution positional telemetry by Baktoft, H., Aarestrup, K., Berg, S., Boel, M., Jacobsen, L., Koed, A., Pedersen, M. W., Svendsen, J. C., Skov, C.

“…Human disturbances such as angling and manual handling may have long‐term effects on the behaviour of pike, Esox lucius L., an ecologically important species…”
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Factors influencing the spawning migration of female anadromous brown trout by Svendsen, J. C., Koed, A., Aarestrup, K.

“…Radio telemetry was employed to study movements of adult female anadromous brown trout Salmo trutta(sea trout) during upstream spawning migration and following…”
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