Разширено търсене
Автор да съдържа R. Kalchev
Каталог "Статии" | Списание
Investigation of relations between abiotic variables, their infl uence on the plankton primary productivity and the manuring effect in fi sh ponds
(2016)
D. Terziyski; R. Kalchev; H. Kalcheva;
V. Alexandrov
и др.
Каталог "Статии" | Списание
Impact of the fi sh cage aquaculture on the zooplankton community in "Kardzhali" Dam Lake, Bulgaria
(2015)
D. Terziyski; V. Tzavkova; R. Kalchev;
I. Iliev
и др.
Каталог "Статии" | Списание
Nutrients and other chemical variables, related to plankton primary production in fertilized and control fish ponds
(2006)
R. Kalchev; D. Terziyski; A. Stoeva;
G. Grozev
и др.
Каталог "Статии" | Списание
Investigation of ducks influence upon nutrients in carp ponds by means of RDA ( redundancy analysis )
(2008)
Каталог "Статии" | Списание
Control of zooplankton and nutrients on bacterioplankton in fish ponds with carp larvae
(2010)
Каталог "Статии" | Списание
Bacterioplankton dynamics and its relations to productivity in carp fish ponds.
(2008)