The study of interaction between fish cage culture and sediment population dynamics heterotrophic bacteria in the southern Caspian Sea (Nowshahr region)

Aim . The aim of the study is to analyze current state artificial reproduction Caspian sturgeon and identify problems reducing efficiency ways solve them. Discussion critical sturgeon, which accounts for up 90% world's related resources, concern entire community, due threat extinction these relic individuals on planet. This can be prevented by increasing reproduction. However, natural practical...

Cordylophora caspia, a colonial hydrozoan native to the Ponto-Caspian region, has become a common invader of both fresh and brackish water ecosystems of North America and Europe. We describe 11 polymorphic microsatellite loci for this species. Preliminary analyses indicate that population substructure may contribute to departures from Hardy-Weinberg equilibrium. In addition, new loci failed to ...

Prediction of Coastal Wave Height using Hybrid-Wavelet Methods Artificial Intelligence (Case study: Amirabad Port the Caspian Sea)


 Located in the Semna?n area (midway between Tehran and Khorasan), town of S?ahmirza?d its neighboring villages are home to speakers S?ahmirza?di, a vernacular sharply differing from other language types spoken but closely related Mazandarani across Alborz range north, along Caspian coast. This article studies S?ahmirza?di phonology, grammar, vocabulary, with look at cross-linguistic infl...