Distribution of Kotschy`s Gecko Mediodactylus kotschyi (Steindachner, 1870) (Reptilia: Gekkonidae) in South-West Bulgaria

The current paper presents the contemporary distribution of Mediodactylus kotschyi in south-west part of Bulgaria. The valleys of Struma River (to the south of the city of Blagoevgrad), and Mesta River (to the south of t...

Морфологични промени в еритроцити на каракуда Carassius gibelio (Bloch, 1782) при дълговременна eкспозиция на мед (Cu)

Fish Producer's Attitude to the Most Common Fish-Eating Birds in Central Bulgaria

In Bulgaria part of fish farming is through using extensive production technologies. Most of the dams used for fish production are located in the lowlands of the country and are the natural habitats of herons, cormorants...

Eco-physiological Study on the Influence of Contaminated Waters from the Topolnitza River Catchment Area on Some Crops

The present study is a small part of a program for an investigation of the water conditions in the Topolnitza Dam Lake, Topolnitza River and its catchment area. The sensitivity of seeds and young wheat, sunflower and mus...

Streptomyces levoris Immobilized on Silica Gel 60 as a Novel Biosorbent for Copper (II) Preconcentration

In the present study dead Streptomyces levoris biomass loaded on silica gel 60 was applied as an eco-friendly solid phase extractor for copper (II) preconcentration prior to its determination by flame atomic absorption s...