Open Access Research Paper Views (1117) Hydro-chemical characterization of an aquatic ecosystem water of El Kala national park (Case of Oubeira Lake, Northeast Algeria) Warda Boumaraf, Rachid Djamai, Nacira Djabali Int. J. Biosci. 11(1), 59-67, July 2017. DOI: http://dx.doi.org/10.12692/ijb/11.1.59-67 Keywords: Chemical facies, Dissolved oxygen, Irrigation, Oubeira lake, Water Details