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The aim of the study was to determine individual absolute and relative fecundity in vendace, Coregonus albula (L.), populations from four Western Pomeranian lakes that differ morphometrically and trophically. The highest mean total length and individual weight were recorded in the fish from the mesotrophic lakes Ińsko (229.1 mm and 106.6 g, respectively) and Miedwie (228.1 mm and 105.1 g, respectively)...
Background. Vendace, Coregonus albula (L.), is one of the most valuable components of Polish lake ichthyofauna. The vendace from different lakes differ in their principal vital characteristics (such as growth rate etc.) and it is therefore crucial to determine those characteristics from different throphic types of lakes in order to implement proper measures of fisheries management for those coregonids...
Vendace, Coregonus albula (L.), catch and stocking data obtained from 24 fish farms using vendace lakes (total surface area of 22311.77 ha) situated in northwest Poland were analyzed. The average total fish yield from these lakes was 12.53 kg ha⁻¹, of which the average share of vendace was 18%. The highest vendace yield was obtained in lakes with water surface areas of less than 250 ha and with an...
Background. Due to its economical importance the vendace has been considered one of the most important items of the ichthyofauna of Polish lakes. This is mainly because of favourable biological features of this species, namely: short (2-3 years) period of attaining market size, relatively fast growth rate, schooling behaviour facilitating catches, and most of all the high meat value, making it a desirable...
Vendace acquired for the fecundity analysis originated from six west Pomeranian lakes: Pile (97 specimens), Komorze (41), Drawsko (62), Pełcz (89), Moryńskie (91), and Leśne (70). The fish were caught during commercial catches using anchored gillnets, 24-mm mesh size. Substantial differences were stated in individual biological parameters between fish representing different lakes, even if the dominant...
Comparative biological and morphometric studies were carried out on vendace from lakes Drawsko and Pełcz in two seasons of the year. The summer sample covered 106 specimens of this fish from Drawsko Lake and 120 specimens from Pełcz Lake, while the autumn sample consisted of 110 and 104 specimens, respectively. This survey demonstrated a number of significant differences in the individual weights,...
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