List of Articles Algal bloom Open Access Article Abstract Page Full-Text 1 - Investigation expansion and occurrence of red tide in the Persian Gulf and Oman Sea using analysis of MODIS sensor data samad Hamzei mohammad sedigh Mortazavi abas ali Aliakbari Bidokht Abolhassan Gheibi Open Access Article Abstract Page Full-Text 2 - The Phenomenon of Algal Bloom Problem of Water Resources Malihe Amini Open Access Article Abstract Page Full-Text 3 - Eutrophication in Water Resources: Definition, Types, Causes, Ecological Effects and Control Strategies Mohammad Safari Behzad Mohammadikhangahi Gholamhossein Safari Open Access Article Abstract Page Full-Text 4 - Survey of rainbow trout mortality in cage culture farms in Hasanloo Dam, west Azerbaijan province amin Khodadadi payam Arabzadeah sohrab rasouli alireza Moradpoor armin Abediyan Amiri