List of Articles  

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  1 - Economical Valuation of River to Conservation for sustainability of Water Supply (Case Study: Masal Khalkaei River, Gilan Province)
  طوبی عابدی بهنام  یوسفی
  10.29252/.1.1.31
  20.1001.1.26763060.1395.1.1.5.3
  Economical valuation of environmental services help the decision makers to make decision about receasion, conservation and sustainability of water resources. Contingent Valuation Method (CVM) is used to evaluate conservation of water resources value of Khalkaei River lo More

  Economical valuation of environmental services help the decision makers to make decision about receasion, conservation and sustainability of water resources. Contingent Valuation Method (CVM) is used to evaluate conservation of water resources value of Khalkaei River located in Masal in Guilan Province at the north of Iran. This method tries to define individual’s willingness to pay (WTP) under suggested prices of given hypothetical market. Among the variables of the model presented, monthly cost, monthly income and environmental viwepoint (P<0.01) and landscape (P<0.1) are effective variables on willing to pay.. The average monthly WTP per family was calculated as 36766 Rls of Iran. The annual conservation value in terms of WTP for the conservation of Khalkaei River was estimated as 208 million Rls of Iran. Manuscript profile
• Open Access Article
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  2 - Investigating of environmental impact assessment of mechanical and biological control in order to control the biomass of aquatic plants in Anzali Wetland (Case study: West Wetland)
  طوبی عابدی shamim moghadami
  The purpose of environmental impact assessment is to identify, analyse and evaluate project activities. Environmental Impact Assessment ensures the environmental concept of sustainable development by providing the necessary environmental information to determine the env More

  The purpose of environmental impact assessment is to identify, analyse and evaluate project activities. Environmental Impact Assessment ensures the environmental concept of sustainable development by providing the necessary environmental information to determine the environmental friendliness of a proposed project. Mechanical harvesting of aquatic plants along with biological and reed harvesting in the whole area of West Wetland and opening the entrance of Chafrud River were the main activities that could be implemented in this project. Mechanical harvesting operations are performed with a Harvester machine and reed harvesting is done with a motor saw or manually. The most important activities of the project are mechanical harvesting (reed harvesting and immersion of aquatic plants floating with the Harvester machine), restoration and cleaning of waterways (Chafrud River), dewatering and rehabilitation of West Wetland, biological control and operation of wooden bridge and bird watching station. Environmental parameters, consequences and nature of the effect, impact time, magnitude of the effect and the scope of the effect were investigated and the positive and negative effects of the design were determined. Manuscript profile