issue 4 publication date 2015-12-01

• Review of the genus Alburnoides Jeitteles, 1861 (Actinopterygii, Cyprinidae) from Iran with description of three new species from the Caspian Sea and Kavir basins
• Application of multivariate statistics and geostatistical techniques to identify the spatial variability of heavy metals in groundwater resources
• Statistical evaluation of topsoil heavy metal pollution around a lead and zinc production plant in Zanjan province, Iran
• Fish assemblages as influenced by environmental factors in Taleghan River (the Caspian Sea basin, Alborz Province, Iran)
• Performance evaluation of forest management plans (Case study: Iranian Caspian forests)
• Toxicity comparison of silver nanoparticles synthesized by physical and chemical methods to tadpole (Rana ridibunda)
• Environmental impact and sedimentary structures of mud volcanoes in southeast of the Caspian Sea basin, Golestan Province, Iran
• First record of Limnodrilus claparedeianus Ratzel, 1868 (Annelida: Oligochaeta: Tubificidae) in Anzali Wetland, Guilan province, Iran
• When Do We Feel Sorry for Others? : An Externality of Lake Use as an Example