RESEARCH PAPER
Age structure and sex ratio of Anodonta woodiana (Lea, 1834) (Bivalvia: Unionidae) from Konin reservoirs (C Poland)
 
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Department of Genetics, University of Szczecin, Poland
CORRESPONDING AUTHOR
Marianna Soroka   

Department of Genetics, University of Szczecin, Felczaka 3c, 71-412 Szczecin, Poland
Submission date: 2000-05-25
Acceptance date: 2000-08-15
Publication date: 2020-07-13
 
Folia Malacol. 2000;8(3):239–244
 
KEYWORDS
ABSTRACT
Age structure, sex ratio and shell mass of a recently introduced bivalve Anodonta woodiana (Lea) were analysed in three sampling sites at its only locality in Poland – the cooling system of two power plants near Konin (C Poland). The youngest population is that in the lake Licheńskie, the oldest individual (6+) was found in the population inhabiting the warmest canal. In the material examined, the most numerous individuals were those aged three years (43%), followed by four years (33%) and five years old (12%) individuals. The shell mass (Sm) was positively correlated with the individual age, the highest shell mass increment being observed in specimens aged 2+, 3+ and 4+. No dependence was found between the Sm parameter and sex. The shell mass varied widely (V% > 30). The highest Sm values were found in individuals from the initial cooling reservoir, the lowest in those from the lake Licheńskie, the respective water temperatures during the summer stagnation being 33 and 30 °C. Except for the population from the lake Licheńskie, the sex ratio was 1:1.
 
CITATIONS (5):
1.
Genetic Variability Among Freshwater Mussel Anodonta woodiana (Lea, 1834) (Bivalvia: Unionidae) Populations Recently Introduced in Poland
Marianna Soroka
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Continuous reproduction of Sinanodonta woodiana (Lea, 1824) females: an invasive mussel species in a female-biased population
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3.
The Invasive Asian ClamCorbicula flumineain Polish Rivers: The Importance of Thermal Discharge from Power Plants for Its Spread
Maria Urbańska, Wojciech Andrzejewski, Nicoletta Riccardi, Henryk Gierszal, Janusz Golski
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4.
Modelling the invasion history ofSinanodonta woodianain Europe: Tracking the routes of a sedentary aquatic invader with mobile parasitic larvae
Adam Konečný, Oana Popa, Veronika Bartáková, Karel Douda, Josef Bryja, Carl Smith, Luis Popa, Martin Reichard
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5.
An invasion in progress – Sinanodonta woodiana (Lea, 1834) (Bivalvia: Unionidae) in Poland
Maria Urbańska, Wojciech Andrzejewski
Folia Malacologica
 
eISSN:2300-7125
ISSN:1506-7629