Scientific Research Publishing

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52871#.VKtGksnQrzE Author(s)     Oscar A. Frumento 1* , Vicente R. Barros 2 Affiliation(s) 1 Centro Nacional Patagónico CNP (CONICET), Puerto Madryn, Argentina . 2 Centro de Investigaciones del Mar y la Atmósfera CIMA (CONICET/UBA), Buenos Aires, Argentina . ABSTRACT Combined Empirical Orthogonal Function Analysis of low-level atmospheric circulation after filtering the synoptic scale was performed for the period 1981-2006 over Central and Southern South America. Modes with 40 and near 70 days frequency associated with swings in longitude of the South Pacific and South Atlantic Ocean heights were identified. Their ex...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50899#.VE8IglfHRK0 Author(s) Abdessalem Abdessamad 1&2* , Imen Dhib 1 , Ghada Baraket 2 , Mustapha Ksontini 1 , Amel Salhi-Hannachi 2 Affiliation(s) 1 Laboratory of Physiology and Ecology Forester, National Institute Research in Agricultural Engineering, Water and Forest, INRGREF, Tunis, Tunisia . 2 Laboratory of Molecular Genetics, Immunology & Biotechnology, Faculty of Sciences of Tunis, Campus University, Tunis, Tunisia . ABSTRACT Populations of oak cork (Quercus suber L.) originated from different areas in Tunisia were analysed based on morphological characters to assess the overall degree of phenotypic variability...