List of Articles Open Access Article Abstract Page Full-Text 1 - Designing a Livelihood System Compatible with the Environment and Sustainable in the Shadgan Wetland with the Approach of Oil Field Development mohammad saedeifard Azadeh Nekooei esfahani mahdi nazari sarem Open Access Article Abstract Page Full-Text 2 - Using the IPSS Method in the Quantitative Recommendation of Nitrogen Fertilizer to Reduce Environmental Pollution Abdolkarim Ejraei rakhshan hakimelahi Open Access Article Abstract Page Full-Text 3 - Potential measurement of waste and cellulosic waste recycling in Tehran Kazem Roghani Shahrzad Khoramnejhadian Samira Ghiasi ali dehghan banadaki Open Access Article Abstract Page Full-Text 4 - Laboratory Study of Hydraulic Characteristics of Density Current with Phase Space Theory Analysis Mohammad Hosseini Mohammad Shabani Open Access Article Abstract Page Full-Text 5 - Locating Areas Prone to Ecotourism in Fars Province Using Geographic Information System (Case Study: Arsanjan City) Saeed Mohtashamnia Hossein gharehdaghi Open Access Article Abstract Page Full-Text 6 - Fire Risk Assessment of Residential Areas by Using FRAME Engineering Method (Case Study: 257-Unit Residential Complex Project of Sarv in Arak) Elham Hasani Seyed Ali Jozi Sahar Rezaian