Fecundity of vendace, Coregonus albula (L.), from several lakes in Western Pomerania [Poland]
2008
Czerniejewski, P. | Wawrzyniak, W.,Szczecin Agricultural University (Poland). Dept of Fisheries Management in Open Waters
Individual absolute and relative fecundity in vendace, Coregonus albula (L.), populations from four Polish Western Pomeranian lakes were determined. The highest mean total length and individual weight were recorded in the fish from the mesotrophic lakes Insko (229.1 mm and 106.6 g, respectively) and Miedwie (228.1 mm and 105.1 g, respectively). The highest individual absolute fecundity in particular age groups as well as individual relative fecundity were noted in the fish from Lake Miedwie (6635-24620 eggs per female and 10756-11609 eggs per 100 g female body weight, respectively), while the lowest values of these parameters were confirmed in fish from Lake Glinna (4782-6087 eggs per female and 6406-6953 eggs per 100 g female body weight). A high, statistically significant correlation between absolute fecundity and total fish length and a slightly lower correlation between absolute fecundity and fish age were noted in all of the populations studied
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