issue 2 publication date 2018-06-01

• Environmental challenges in the Caspian Sea and international responsibility of its littoral states
• Allometric equations for determining volume and biomass of Acer monspessulanum L. subsp. cinerascens multi-stemmed trees
• Effect of water-deficit stress on secondary metabolites of Melissa officinalis L.: role of exogenous salicylic acid
• Reproductive biology of an endemic fish, Alburnoides qanati Coad and Bogustkaya, 2009 (Teleostei: Cyprinidae) from Southern Iran
• Physiological responses and phytoremediation ability of Eastern Coneflower (Echinacea purpurea) for crude oil contaminated soil
• Physiological and biochemical responses of Quercus brantii seedlings to water deficit stress
• Screening and identification of biosurfactant producing marine bacteria from the Caspian Sea
• Toxic metals in the muscle and liver of five main commercially-important fishes from the Persian Gulf, Southern Iran