The Caspian Journal of Environmental Sciences (CJES) is an open-access peer-reviewed international quarterly journal devoted to all fields of environmental sciences, published by the University of Guilan and is scientifically sponsored by the Association of Universities of the Caspian Region States. It is an interdisciplinary journal devoted to the publication of original research articles, review articles, etc., considering the research ethics and academic rules and regulations. The journal aims to publish research and review papers on the most recent issues and developments in the field. All papers are subject to a double-blind reviewing process. Papers in any of the following fields will be considered: Climate change, environmental law, and politics, environmental economics, environmental pollution, waste management, biodegradation and bioremediation, aquatic and terrestrial ecology, forest ecosystems, freshwater ecosystems, biodiversity, watershed hydrology, sustainable development, conservation, environmental evaluation and land use planning, animal and plant biology, hydrobiology and hydrochemistry. All research articles related to the Caspian Sea are of priority for publication. Reviews, Reports and opinions, and Short Communication are also published. All manuscripts should be submitted through our Journal online submission system. Using this system, authors can upload manuscript files directly to our office and check on the status of their manuscripts during the review process.