Trophic Relationships and Status of Reservoirs with and without Occurrence of Dreissena ssp. (Mollusca, Bivalvia) Built on Bulgarian Danube River Tributaries

by Kalchev Roumen, Beshkova Mihaela, Kalcheva Hristina
Published 2016-04-01

The Effect of Dreissena polymorpha on Bacterioplankton, Nematode Fauna and their Relations to Environmental Factors in Ogosta Reservoir (Danube Basin)

by Kalcheva Hristina, Stoichev Stefan, Beshkova Mihaela, Kalchev Roumen, Stanchkova Marieta, Kozuharov Dimitar, Trichkova Teodora
Published 2016-04-01