Luksiene, D. and Sandstrom, O. and Lounasheimo, L. and Andersson, J. (2000) The effects of thermal effluent exposure on the gametogenesis of female fish. Journal of fish biology, pp. 37-50
Species | Development state | Trait | Primary Data | Secondary Data |
Blicca bjoerkna | Egg | Oocyte diameter | In 70-80% of the females two distinct generations of egg cells were observed before spawing: oocyte diamters in the range 0.822-0.946 and 0.316-0.550 mm, respectively | 0.43 mm |
Blicca bjoerkna | Female | Oocyte development | Asynchronous development | Asynchronous |
Blicca bjoerkna | Spawning conditions | Spawning release | Intermittent spawning | Fractional |
Rutilus rutilus | Female | Oocyte development | Group-synchronous | Group-synchronous |
Rutilus rutilus | Spawning conditions | Spawning release | One single spawning | Total |
Esox lucius | Female | Oocyte development | Group-synchronous | Group-synchronous |
Esox lucius | Spawning conditions | Spawning release | One single spawning | Total |
Gymnocephalus cernua | Egg | Oocyte diameter | Immediatly before spawning the maturing oocyte diameters varied between 0.650 and 0.850 mm | 0.85 mm |
Gymnocephalus cernua | Female | Oocyte development | Asynchronous development | Asynchronous |
Gymnocephalus cernua | Spawning conditions | Spawning release | The analysis indicated that an average ruffe in all heated areas produced three mature portions of eggs during the spawing season, compard with two in the reference area | No category |
Perca flavescens | Spawning conditions | Spawning release | Intermittent spawning | Fractional |
Perca fluviatilis | Female | Oocyte development | Group-synchronous | Group-synchronous |
Perca fluviatilis | Spawning conditions | Spawning release | One single spawning | Total |