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
Composite Films from Sodium Alginate and High Methoxyl Pectin - Physicochemical Properties and Biodegradation in Soil
The increased public attention on the waste pollution and the awareness of the hard environmental problems is the reason for the need of new materials which are susceptible to degradation in nature for a short period of...
Reproductive Biology of African River Prawn Macrobrachium vollenhovenii ([i]Crustacea, Palaemonida[/i]e) In the Lower Taylor Creek, Niger Delta, Nigeria
The sex ratio, Gonadosomatic Index (GSI) and fecundity of M. [i]vollenhovenii[/i] in the Lower Taylor Creek, Niger Delta, Nigeria were studied between June 2008 and May 2010. The sex ratios showed that M. [i]vollenhoveni...
Toxicity of Essential Oils Isolated from Achillea millefolium L., Artemisia dracunculus L. and Heracleum persicum Desf. Against Adults of Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae) in Islamic Republic of Iran
The environmental problems caused by overuse of synthetic insecticide have been the matter of concern in recent years. Essential oils from aromatic plants are recognized as proper alternatives to conventional insecticide...
Distribution and Resources of the Medicinal Plant Colchicum autumnale L. in Bulgaria
Colchicum autumnale (Colchicaceae) is a perennial geophyte and a medicinal plant. Its biomass is collected for industrial uses for obtaining the alkaloids colchicine and demecolcine. The objective of the present study wa...
Data on the Wintering of the Rook, Corvus frugilegus Linnaeus, 1758 (Aves: Corvidae) in Plovdiv, Bulgaria
In the current study we report a short summary on the wintering of the Rook in the town of Plovdiv. During our field study we estimated that no less than 29 706 ± 8722 Rooks are roosting in Plovdiv. Our findings revealed...