In the spring of 1928 a doctor entered a remote village in southern Kazakhstan. Like hundreds of other physicians sent to the region, he came bearing information about germ theory, disease transmission, and ways to improve the Kazakhs’ health and well-being. He found a world very different from his own. Lying south of Siberia and east of the Caspian Sea, these arid steppes bore no resemblance t...

Since the 1990s, anthropogenic activities have been major direct or indirect threats to structural and functional organization of unique ecosystem Caspian Sea (CS). This study attempts investigate relationships between fish community structure environmental parameters analyze Abundance Biomass Comparison (ABC) in CS. The input data, including catch data by species parameters, were collected fro...