J. Bio. Env. Sci.3(7), 33-41, July 2013
No doubt, the protection of soil and water resources requires a systematic approach and appropriate with ecological conditions of basins. In this context and in order to achieve sustainable management and development of a model to assess the suitable ecological capability, this study was carried out in the basin Masal, Gilan province and northern Iran. After the study and to identify factors effective for forestry land usage using geographic information system (GIS), ecological factors maps ranging from physical factors( including physiographic and topographic, elevation, slope, aspect, soil, rock, rain, temperature, etc. ) and biological factors( including vegetation density, plant species value and etc. ) was provided. The ecological capability of the study region was determined based on ecological model of forestry land usage based on land suitability (through Boolean logic). Then in each of the seven classes of above models, convenient features and condition in the area by code 1, and the rest by code 0 and eventually using the function And, watershed Assessment of forestry was conducted. The results indicate high capability (GIS) in evaluation model of ecological capability of land for forestry land usage that this was takes place by location of the damaged areas that have the ability to regenerate and development. Final results of investigation the region ecological capability for forestry land usage shows that out of seven classes of the Forestry in Iran, class 1 to 5 of forestry were present in the study area that between them the contribution of class 4 has more than others classes.
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