Search Results - "Ruokonen, T. J."

Divergent temperature-specific metabolic and feeding rates of native and invasive crayfish by Ruokonen, T. J., Karjalainen, J.

“…Temperature is one of the most important factors governing the activity of ectothermic species, and it plays an important but less studied role in the…”
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Are the effects of an invasive crayfish on lake littoral macroinvertebrate communities consistent over time? by Ruokonen, T. J., Ercoli, F., Hämäläinen, H.

“…Management of invasive species requires assessment of their effects on recipient ecosystems. However, impact assessment of invasive species commonly lacks a…”
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It takes time to see the menu from the body: an experiment on stable isotope composition in freshwater crayfishes by Jussila, J., Ruokonen, T. J., Syväranta, J., Kokko, H., Vainikka, A., Makkonen, J., Kortet, R.

“…For many applications and ecological studies in which wild individuals are brought to laboratory it would be essential to know accurately how fast novel diet…”
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Predation by signal crayfish Pacifastacus leniusculus on fish eggs and its consequences for coregonid recruitment by Karjalainen, J., Ruokonen, T. J., MarjomäKi, T. J., Martikainen, A., Pursiainen, M., Sarvala, J., Tarvainen, M., Ventelä, A.-M.

“…The character and magnitude of predation by the invasive, ectothermic Pacifastacus leniusculus, a crayfish widely introduced to Europe and Japan from North…”
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Comparing the effects of introduced signal crayfish and native noble crayfish on the littoral invertebrate assemblages of boreal lakes by Ercoli, F., Ruokonen, T. J., Erkamo, E., Jones, R. I., Hämäläinen, H.

“…The introduced North American signal crayfish Pacifastacus leniusculus (Dana) has replaced the native noble crayfish (Astacus astacus) in many European…”
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Invasive crayfish increase habitat connectivity: a case study in a large boreal lake by Ruokonen, T J, Kiljunen, M, Karjalainen, J, Hamalainen, H

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Invasive crayfish increase habitat connectivity: a case study in a large boreal lake by Ruokonen, T.J., Kiljunen, M., Karjalainen, J., Hämäläinen, H.

“…Several studies have shown that distinct compartments of lake ecosystems are coupled via transportation of organic matter, nutrients and energy across habitat…”
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