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Genetic and Environmental (Co)variation of Egg Size, Fecundity, and Growth Traits in Arctic Charr. [PDF]
Evol ApplDebes PV, Lobligeois SBC, Svavarsson E.
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Comparing Macroscopic and Quantitative Histological Methods to Determine Sexual Maturity in the Female European Plaice, <i>Pleuronectes platessa</i> Linnaeus, 1758. [PDF]
Animals (Basel)Sauger C +6 more
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Evolution of fast-growing piscivorous herring in the young Baltic Sea. [PDF]
Nat CommunGoodall J +11 more
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Using redd counts to estimate salmonids spawner abundances: A Bayesian modelling approach
Fisheries Research, 2010 Redd (nest) counts are widely used for monitoring salmonid populations. Because of their relative low cost, redd counts allow a good spatial coverage over a long period of time.
Colin E Adams +2 more
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Is cod lekking or a promiscuous group spawner?
Fish and Fisheries, 2000The mating system of cod (Gadus morhua) has been described as promiscuous with few options for exercising mate choice. We, on the other hand, argue that cod fulfil the prerequisites of a conventional lekking mating system. A review of papers on cod mating behaviour suggests that mature males aggregate and possibly defend small territories on the ...
null Nordeide, null Folstad
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Fish and Fisheries, 2017 A close relationship between adult abundance and stock productivity may not exist for many marine fish stocks, resulting in concern that the management goal of maximum sustainable yield is either inefficient or risky.
Susan K. Lowerre‐Barbieri +2 more
exaly +2 more sources
International Review of Hydrobiology, 2003
AbstractThe objectives of this study were to compare the seasonal hepatic activity and to evaluate whether this activity was related to the dynamics of oocyte recruitment in three cyprinids from the River Meuse (Belgium): the roach Rutilus rutilus as a single spawner, and the bleak Alburnus alburnus and the white bream Blicca bjoerkna as multiple ...
Rinchard, Jacques, Kestemont, Patrick
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AbstractThe objectives of this study were to compare the seasonal hepatic activity and to evaluate whether this activity was related to the dynamics of oocyte recruitment in three cyprinids from the River Meuse (Belgium): the roach Rutilus rutilus as a single spawner, and the bleak Alburnus alburnus and the white bream Blicca bjoerkna as multiple ...
Rinchard, Jacques, Kestemont, Patrick
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Does egg competition occur in marine broadcast‐spawners?
Journal of Evolutionary Biology, 2005AbstractWhen the availability of sperm limits female reproductive success, competition for sperm, may be an important broker of sexual selection. This is because sperm limitation can increase the variance in female reproductive success, resulting in strong selection on females to compete for limited fertilization opportunities.
Marshall, DJ, Evans, JP
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Reliably estimating the effect of toxicants on fertilization success in marine broadcast spawners
Marine Pollution Bulletin, 2006Recently, there has been a dramatic increase in the number of ecotoxicological studies examining the effects of toxicants on fertilization success in marine broadcast spawners and it appears that this life-history stage is one of the most vulnerable to toxicants.
Dustin J. Marshall
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Harvest, Transport of Spawners, Prophylaxis
2016Within this chapter the theoretical background, as well as detailed practical advices of collection of the spawners of Eurasian perch from lakes and from earthen ponds are discussed. A special attention is paid to the time of collection and additionally, the methods of transportation as well as basic prophylactic methods are described.
Daniel Żarski +8 more
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