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

Trophic Status and Phytoplankton Limitation Conditions in a Few Bulgarian and Hungarian Danube River Wetlands

by Kalchev Roumen, Berczik Árpád, Beshkova Michaela, Dinka Mária, Kalcheva Hristina, Kiss Anita, Ágoston-Szabó Edit
Published 2016-08-01

Bacterioplankton from Two Hungarian Danube River Wetlands (Beda-Karapancsa, Danube-Drava National Park) and its Relations to Environmental Variables

by Kalcheva Hristina, Dinka Mária, Ágoston-Szabó Edit, Berczik Árpád, Kalchev Roumen, Tarjanyi Nikolett, Kiss Anita
Published 2016-04-01