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Timo J Ruokonen
Timo J Ruokonen
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Tackling invasive alien species in Europe II: threats and opportunities until 2020
M Piria, GH Copp, JTA Dick, A Duplić, Q Groom, D Jelić, FE Lucy, HE Roy, ...
MANAGEMENT OF BIOLOGICAL INVASIONS 8 (3), 273-286, 2017
772017
The effect of sample duration on the efficiency of kick-sampling in two streams with contrasting substratum heterogeneity
H Mykrä, T Ruokonen, T Muotka
Internationale Vereinigung für theoretische und angewandte Limnologie …, 2006
652006
Effects of an invasive crayfish on the littoral macroinvertebrates of large boreal lakes are habitat specific
TJ Ruokonen, J Karjalainen, H Hämäläinen
Freshwater Biology 59 (1), 12-25, 2014
612014
Does the introduced signal crayfish occupy an equivalent trophic niche to the lost native noble crayfish in boreal lakes?
F Ercoli, TJ Ruokonen, H Hämäläinen, RI Jones
Biological Invasions, 1-12, 2014
412014
Invasive crayfish increase habitat connectivity: a case study in a large boreal lake
TJ Ruokonen, M Kiljunen, J Karjalainen, H Hämäläinen
Knowledge and Management of Aquatic Ecosystems, 2012
382012
Evaluation of crayfish stocking success in Finland
E Erkamo, T Ruokonen, T Alapassi, J Ruokolainen, T Järvenpää, ...
Freshw. Crayfish 17, 77-83, 2010
382010
Trophic role of marbled crayfish in a lentic freshwater ecosystem
B Lipták, L Veselý, F Ercoli, M Bláha, M Buřič, T Ruokonen, A Kouba
Aquatic Invasions 14 (2), 2019
352019
Trophic niches of three sympatric invasive crayfish of EU concern
L Veselý, TJ Ruokonen, A Weiperth, J Kubec, B Szajbert, W Guo, F Ercoli, ...
Hydrobiologia 848 (3), 727-737, 2021
302021
Predation by signal crayfish Pacifastacus leniusculus on fish eggs and its consequences for coregonid recruitment
J Karjalainen, TJ Ruokonen, TJ MarjomäKi, A Martikainen, M Pursiainen, ...
Journal of fish biology 86 (2), 651-667, 2015
272015
The introduced signal crayfish and native noble crayfish have different effects on sublittoral macroinvertebrate assemblages in boreal lakes
F Ercoli, TJ Ruokonen, S Koistinen, RI Jones, H Hämäläinen
Freshwater Biology 60 (8), 1688-1698, 2015
252015
Comparing the effects of introduced signal crayfish and native noble crayfish on the littoral invertebrate assemblages of boreal lakes
F Ercoli, TJ Ruokonen, E Erkamo, RI Jones, H Hämäläinen
Freshwater Scinece, 2015
212015
Introduced alien signal crayfish (Pacifastacus leniusculus) in Finland− uncontrollable expansion despite numerous crayfisheries strategies
TJ Ruokonen, R Sjövik, E Erkamo, J Tulonen, F Ercoli, H Kokko, J Jussila
Knowledge & Management of Aquatic Ecosystems, 27, 2018
182018
Indirect effects of invasive crayfish on native fish parasites
K Pulkkinen, TJ Ruokonen, M Mykrä, G Tambe, J Karjalainen, ...
Ecosphere 4 (4), 1-9, 2013
182013
Do introduced crayfish affect benthic fish in stony littoral habitats of large boreal lakes?
TJ Ruokonen, J Karjalainen, M Kiljunen, M Pursiainen, H Hämäläinen
Biological Invasions 14, 813-825, 2012
172012
The relationship between stocking eggs in boreal spawning rivers and the abundance of brown trout parr
JT Syrjänen, TJ Ruokonen, T Ketola, P Valkeajärvi
ICES Journal of Marine Science 72 (5), 1389-1398, 2015
162015
Are the effects of an invasive crayfish on lake littoral macroinvertebrate communities consistent over time?
TJ Ruokonen, F Ercoli, H Hämäläinen
Knowledge and management of aquatic ecosystems, 31, 2016
152016
Impacts of the invasive signal crayfish on littoral macroinvertebrates of large boreal lakes: a pilot study in lake Päijänne, Finland.
L Bjurström, T Ruokonen, M Pursiainen, RI Jones, H Hämäläinen
Freshw. Crayfish 17, 177-182, 2010
152010
Diet and trophic niche of the invasive signal crayfish in the first invaded Italian stream ecosystem
F Ercoli, D Ghia, L Gruppuso, G Fea, T Bo, TJ Ruokonen
Scientific Reports 11 (1), 8704, 2021
142021
The crayfish distribution, feeding plasticity, seasonal isotopic variation and trophic role across ontogeny and habitat in a canyon-shaped reservoir
L Veselý, F Ercoli, TJ Ruokonen, M Bláha, J Kubec, M Buřič, ...
Aquatic Ecology 54, 1169-1183, 2020
142020
Ecological impacts of invasive signal crayfish in large boreal lakes
T Ruokonen
Jyväskylä studies in biological and environmental science 244., 2012
132012
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Artikler 1–20