A contribution to the data on tench (Tinca tinca L., Cyprinidae, Pisces) distribution in Serbia
2010
Markovic, G.S., University of Kragujevac, Cacak (Serbia). Faculty of Agronomy | Cirkovic, M.A., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Maletin, S.A., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture | Milosevic, N.J., University of Novi Sad, Novi Sad (Serbia). Faculty of Agriculture
The studies on the ichthyofauna of Serbia that have been conducted so far indicate the sporadic tench (Tinca tinca L.) presence in typical habitats. The hydroenvironmental conditions necessary for the survival of this fish species are highly variable and, generally, are more favourable in the northern part of the country (the Vojvodina Province). Although the tench presence has been registered at over 30 sites, there is a tendency of a decrease in population abundance. This is due to the reduction of the surface area of the macrophyte-covered flood zones induced by the damming and regulation of rivers, high water level fluctuations, and water amount reduction in the majority of watercourses, a masive increase in the number of allochthonous phytofagous species, reservoir sediment deposition, water quality deterioration and other factors. The tench conservation status in Serbia is officially designated as Low Risk - Least Concern. It may be transferred to a higher category if the tendency towards deterioration of survival conditions for the species should continue.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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