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Improving understanding of valley-wide stream chemistry

Improving understanding of valley-wide stream chemistry

Understanding the chemistry of streams at a finer scale could help to identify factors impairing water quality and help protect aquatic ecosystems. A geostatistical approach for studying environmental conditions in stream networks and landscapes has been successfully applied at a valley-wide scale to assess headwater stream chemistry at high resolution, revealing unexpected patterns in natural […]

Rusia nu renunta la armele nucleare din cauza scutului antiracheta american

Rusia nu renunta la armele nucleare din cauza scutului antiracheta american

Rusia nu este pregatita deocamdata sa renunte la armele nucleare, din cauza scutului antiracheta american. Pentru Moscova, arsenalul nuclear este, in acest moment, o modalitate legitima de descurajare si protectie a intereselor nationale, a explicat directorul departamentului MAE rus pentru securitate si dezarmare, Mikail Ulianov. Ulianov conduce delegatia Rusiei la a treia sesiune a Comitetului […]