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      • Open Access Article

        1 - Evaluation of ecological capability of Babolrood basin for agriculture land use using Analytical Hierarchy Process (AHP)
        ‌امید Karami S.M Hoseini nasr حمید Jalilvand M.H Miryaghubzadeh
        Today, agriculture is one of the main economic sections of the country and economic growth is not possible without agricultural growth. Since agricultural land use requires specific environmental conditions, researchers and experts have paid special attention to the lan More
        Today, agriculture is one of the main economic sections of the country and economic growth is not possible without agricultural growth. Since agricultural land use requires specific environmental conditions, researchers and experts have paid special attention to the land use evaluation for rational development of agricultural and determination of suitable area for agriculture is very important. Regarding the importance of subject, in this study suitable area for agricultural land use in Babolrood Basin-Mazandaran province evaluated. Thus, in first step, criteria and sub-criteria determined. Then by using analytic hierarchy process (AHP) and with help of expert's knowledge, criteria and sub-criteria weighted, then the weights integrated with related maps using weighted linear combination technique in GIS environment and final map of agriculture capability provided. Results showed that 3.57 percent of the study area has first-class potential, 8.2, 16.19, and 2.51 percent of the study area has 2, 3 and 4 class's capability for agriculture respectively. Also 69.53 percent of the basin is unsuitable for agriculture. Manuscript profile
      • Open Access Article

        2 - Determination of River Regime Equations Based on Stream Power Equation
        ali bagheri mohamad sadegh ghorbani
        In this paper, river regime equations through developing of unit stream power equation and based on data of babolrood River were derived. For this purpose, with the review of previous research, the principles and concepts of regime and hydraulic geometry of the river is More
        In this paper, river regime equations through developing of unit stream power equation and based on data of babolrood River were derived. For this purpose, with the review of previous research, the principles and concepts of regime and hydraulic geometry of the river is mentioned. then, methods and out-comes of former researchers are classified. On the next step, based on dimensional analysis, unit stream power as a function of river flow parameters including suspended sediment load and specific gravity of particles is developed. Using the unit stream power equation and babolrood River' data, regime equations are derived for these rivers. Finally, the results derived from regime equations are compared with the field data and regime equations of the other researchers. A good agreement was observed between field data and values resulted from developed regime equations in this research. Manuscript profile
      • Open Access Article

        3 - The Effect of Construction Structures on River Flood Area Using HEC-RAS and ArcGIS Software Case Study: Babelrood River, Mazandaran
        Ali Bagheri Mohammadhadi Torkaman zadeh
      • Open Access Article

        4 - Investigation on reproduction biology in Leuciscus cephalus at Babolrud River (Mazandaran Province).
        A. Ashja Ardalan A. Vosoughi E. Rad
        This study was carried out in Babolrood river ( Mazandaran province) from 5 September 2008 to 6 August 2009 on Leuciscus cephalus ( mahi sephid rood khanei ). The sampling was montly and samples were collected by Electroshocker. In total 441 Leuciscus cephalus were caug More
        This study was carried out in Babolrood river ( Mazandaran province) from 5 September 2008 to 6 August 2009 on Leuciscus cephalus ( mahi sephid rood khanei ). The sampling was montly and samples were collected by Electroshocker. In total 441 Leuciscus cephalus were caught.Maximum fish abundance in stage 3 with 21.02 percent and the lowest number in sex maturation stage 6 with a frequency of 8.55 percent were. Maximum number of fish in terms of male gender in sex maturation stage 3 with the frequency of 20.55 percent and the lowest number was in step 6 with a frequency of 7.22 percent. The highest percent of female, in sex maturation stage 3 with 21.34 percent and the lowest number in step 7with a frequency of 8.70 percent were found. The mean diameter of oocytes in female fish from November to May was in ascending trend and mean was in May (69.83 ± 12.90 µ). The absolute fecundity minimum was 3005, maximum was 13194 and mean egg number was estimated to be 8038. The average percentage of gonad somatic maturation index (GSI) for males was 1.47 ± 0.94, for female was 2.95 ± 1.83 respectively. The total mean of condition factor (CF) was evaluated to be 1.12 ± 0.14 for males and 1.17 ± 0.15 for females. According to this review spawning time is from mid-May to late June and their spawning type once a time. Manuscript profile