Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Georgi I. Zhelyazkov"'
Autor:
Diyana M. Dermendzhieva, Georgi I. Zhelyazkov, Georgi G. Beev, Gergana S. Kostadinova, Toncho G. Dinev, Georgi S. Petkov
Publikováno v:
Ecologia Balkanica, Vol 11, Iss 2, Pp 167-180 (2019)
Ecological (as a natural source) and agricultural (as a resource for fish farming and irrigation of crops) assessment of Ovcharitsa Dam water, used for thermal power plant (TPP) cooling was carried out in one monitoring point by measurement of 12 phy
Autor:
Georgi I. Zhelyazkov, Dian M. Georgiev, Stanislava P. Peeva, Silvia E. Kalcheva, Kremena Y. Georgieva
Publikováno v:
Ecologia Balkanica, Vol 10, Iss 2, Pp 133-140 (2018)
The aim of the study was to determine the chemical composition and for the first time - the content of cadmium (Cd), nickel (Ni), lead (Pb) and zinc (Zn) in the meat of bream (Abramis brama Linnaeus, 1758), Prussian carp (Carassius gibelio Bloch, 178
Publikováno v:
Ecologia Balkanica, Vol 10, Iss 1, Pp 1-5 (2018)
In Bulgaria part of fish farming is through using extensive production technologies. Most of the dams used for fish production are located in the lowlands of the country and are the natural habitats of herons, cormorants and pelicans. Thus these bird
Publikováno v:
Ecologia Balkanica, Vol 5, Pp 15-20 (2014)
The aim of this study was to examine the concentration of iron (Fe), nickel (Ni), lead (Pb), manganese (Mn), copper (Cu), chromium (Cr), cadmium (Cd) and zinc (Zn) in roach (Rutilus rutilus) and bleak (Alburnus alburnus) as species for human consumma