Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.

• Feeding ecology and behaviour of pikeperch, Sander lucioperca (L.) in boreal lakes 

  Keskinen, Tapio (University of Jyväskylä, 2008)

  Kuhakannat ovat parin viime vuosikymmenen aikana vahvistuneet. Samalla myös tiedontarve kuhan perusekologiasta on kasvanut. FK Tapio Keskisen väitöskirjassa tutkittiin kuhan merkitystä järvien kalayhteisöissä. Erityisesti ...

• Cormorant predation mortality of perch (Perca fluviatilis) in coastal and archipelago areas, northern Baltic Sea 

  Heikinheimo, Outi; Marjomäki, Timo J.; Olin, Mikko; Rusanen, Pekka (Oxford University Press (OUP), 2022)

  Perch (Perca fluviatilis) is an important prey species of the great cormorant (Phalacrocorax carbo sinensis) in the coastal waters of the northern Baltic Sea. The annual predation mortality caused by cormorants was estimated ...

• Cell and tissue changes in perch (Perca fluviatilis) and roach (Rutilus rutilus) in relation to water quality 

  Haaparanta, Ahti (1997)

  Cell and tissue changes were studied in perch, Perea fluviatilis, and roach, Rutilus rutilus, over five seasons from four lakes in central Finland differing both in parasite composition and water quality. Fish gills displayed ...

• Sex and sexual ornamentation associated with survival of the cyprinid fish, Rutilus rutilus, under disease stress 

  Taskinen, Jouni; Sundberg, Lotta-Riina; Kortet, Raine (Ashdin Publishing, 2013)

  By conveying information of disease resistance, sexual signals may be used as cues for adaptive mate choice. Here we report observations on survival of laboratory-maintained, wild-collected, sexually mature, ready-to-spawn ...

• Ruokintarytmin vaikutus kuhan, Sander lucioperca (L.), kasvuun, ravinnonkulutukseen ja fysiologiaan 

  Mattila, Jaakko (2008)