شماره 4 تاریخ انتشار 1999-11-30

• Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp, Cyprinus carpio fingerlings
• Analysis of vitellogenin gene structure in Caspian roach, Rutilus caspicus (Pisces: Cyprinidae) during exposure to Atrazine
• Sexual dimorphism and morphometric study of Caspian pond turtle, Mauremyscaspica, (Testudines: Geoemydidae) in Golestan Province, southeast of the Caspian Sea
• Streamflow droughts assessment in Kurdistan Province, Iran
• Advanced oxidation processes against alkyl phenols in groundwater samples
• Ramsar international wetlands of Alagol, Almagol and Ajigol in eastern parts of the Caspian Sea: a floristic and habitat survey
• Oak trees decline; a sign of climate variability impacts in the west of Iran
• Optimization of sediment rating curve coefficients using evolutionary algorithms and unsupervised artificial neural network