Showing items with similar title or keywords.

• Comparing the effects of introduced signal crayfish and native noble crayfish on the littoral invertebrate assemblages of boreal lakes 

  Ercoli, Fabio; Ruokonen, Timo; Erkamo, Esa; Jones, Roger; Hämäläinen, Heikki (Society for Freshwater Science ; University of Chicago Press, 2015)

  The introduced North American signal crayfish Pacifastacus leniusculus (Dana) has replaced the native noble crayfish (Astacus astacus) in many European freshwaters and can be considered a new component of these ecosystems. ...

• Introduced alien signal crayfish (Pacifastacus leniusculus) in Finland : uncontrollable expansion despite numerous crayfisheries strategies 

  Ruokonen, Timo; Sjövik, Rosanna; Erkamo, Esa; Tulonen, Jouni; Ercoli, Fabio; Kokko, Harri; Jussila, Japo (EDP Sciences, 2018)

  In Finland, massive signal crayfish introductions started towards the end of 1980s, with an estimated total of 2.2 million signal crayfish been stocked before year 2016. During that period, Finnish fisheries authorities ...

• A comparison of the impacts of introduced signal crayfish and native noble crayfish in boreal lake ecosystems 

  Ercoli, Fabio (University of Jyväskylä, 2014)

• Ecological impacts of invasive signal crayfish in large boreal lakes 

  Ruokonen, Timo (University of Jyväskylä, 2012)

• Nikkelin kertyminen täplärapuun (Pacifastacus leniusculus) kahdessa eri lämpötilassa 

  Ojala, Sami (2017)

  Kaivostoiminnan aiheuttamat metallipäästöt ovat maailmanlaajuinen ympäristöongelma. Kaivospäästöjen takia metalleja pääsee luontoon ja eliöstöön biosaatavassa vesiliukoisessa muodossa kuten sulfaatteina tai klorideina. ...