Изследване на преживаемост и устойчивост към кислороден дефицит при зеброва мида Dreissena polymorpha (Pallas, 1771) при третиране с цинк (Zn)
Journal Title: Ecologia Balkanica - Year 2009, Vol 1, Issue 1
Abstract
Authors and Affiliations
Bogdan Nikolov, Stanka Salapatiyska, Dilian Georgiev
Mussels in Ecotoxicological Studies - Are They Better Indicators for Water Pollution Than Fish?
EU Member states are required to apply the EU Water Framework and its Daughter Directives in order to achieve Good Environmental Status (GES) for all 11 qualitative descriptors by 2015 in all water bodies for a list of p...
Relationships Between Plankton Primary Productivity, Biotic and Abiotic Variables of Carp Fish Ponds
Experiments measuring primary productivity, biotic and abiotic environmental factors in carp ponds were carried out within three consecutive years (2004, 2005 and 2006). The aim of the study was investigation of the rela...
Aquatic macrophytes as microhabitats of Radix auricularia (Gastropoda: Pulmonata): A case study from Southeast Bulgaria
The aim of the current study is to investigate the abundance of the freshwater pulmonate snail [i]Radix auricularia[/i] among different aquatic plants communities, with the view of understanding if there is any particula...
Recent Vertebrate Animal Bones (Animalia: Vertebrata) from Yubileyna Cave (Rhodopes Mountain, South Bulgaria)
Excavations (area of 50 x 50 cm and 20 cm depth) at about 15 m from the cave entrance revealed various vertebrate fauna. As individual numbers the mammals and the frogs predominated as bone remains. All other taxa were w...
Study on Seed Germination and Seedlings Growth of Bamboo ([i]Dendrocalamus hamiltonii[/i])
Bamboos are naturally propagating both sexually and asexually from seeds and rhizomes. In this study two experiments were carried out in a greenhouse to evaluate the influence of seed orientation (embryo-end-up, lay-flat...