The Role of Landscape Ecology Spatial Structure Analysis in Environmental Impact Assessment (EIA) (Case Study: Miankaleh International Wetland)

Subject Areas : ارزیابی پی آمدهای محیط زیستی

Soolmaz  Dashti ¹ (Associate Professor, Department of Environment, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran. *(Corresponding Author))
Gholam Reza  Sabzghabaei ² (Assistant Professor, Department of Environment, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.)
Kaveh  Jafarzadeh ³ (Masters Assessment and Land use planning, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.)
Mojgan  Bazmara Baleshti ⁴ (Masters Assessment and Land use planning, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.)

Received: 2016-11-15 Accepted : 2017-03-05 Published : 2020-04-20

Keywords: Environmental Impact Assessment, Composition and spatial distribution, Metrics landscape, Miankaleh Wetland,

Abstract :

Background and Objective: The use of environmental impact assessment methods is one of the important tools in environmental management studies and the reduction of potentially harmful environmental factors in sensitive areas such as wetlands to achieve sustainable development. The purpose of this study is to investigate the status of spatial composition and distribution of Miankaleh International Wetland and also to evaluate the efficiency of land features measurements to assess environmental effects. Method: For this purpose, first Landsat 7 and 8 satellite images of ETM + and OLI sensors related to 2001 and 2016 were prepared. Then, by performing the necessary processing and preprocessing, the land use map was prepared and the raster maps were entered into FRAGSTATS 4.2 software was performed. Findings: According to the results, it can be said that the water zone of the wetland (which is the most important part of the wetland) and consequently the wetlands of the wetland have a large area and has not become fine and stained, but during the study period Deleted part of its domain. The use of vegetation and man-made lands has also disrupted the natural environment by creating new spots and fragmentation. Agricultural use has not been in the form of spots and the increase in its area has been in the form of large spots. Discussion and Conclusion: According to the stated results, proper management in the wetland environment is not implemented. Because the current management of Miankaleh wetland is a hardware and old management, also due to the location of this wetland in two provinces, it does not have an integrated management and the management plan is scattered and multiple. As a result, by creating an integrated and coherent management plan, the problems of this wetland can be overcome to some extent. The present study well showed that land use measurements are a suitable tool for assessing environmental impacts in the shortest time.

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