List of Articles Helle River Open Access Article Abstract Page Full-Text 1 - A study on the diet of Barbus luteus in the Dalaki and Helle Rivers A.R. Pazira S. Vatandost Open Access Article Abstract Page Full-Text 2 - Risk assessment of the heavy metals mercury, cadmium, lead and arsenic in the two species fish Tor grypus and Capoeta capoeta in Helle River from Bushehr laleh Roomiani Mohammad velayatzadeh Open Access Article Abstract Page Full-Text 3 - Investigation of Saline Water Intrusion in the Borazjan Freshwater Aquifer from the Dalaki and Helleh Rivers J. Mozafarizadeh Z. Sajadi