year 2, Issue 4 (Winter 2013 2013)                   E.E.R. 2013, 2(4): 62-76 | Back to browse issues page

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Evaluating Different Patches, Using LFA Method to Control Wind Erosion (Case Study: Hanitiyeh Rangelands of Ahvaz City). E.E.R. . 2013; 2 (4) :62-76
Abstract:   (7553 Views)

In the long-term, wind erosion has considerable impact on rangelands. The aim of this study is to understand the changes of Hanitiyeh Rangelands located 30 kilometers east of Ahvaz and its function. Two transects, 42 meters in length, in wind gradient, patch and inter patch with 5 repeats that included shrub log complex, bush, grass, shrub, shrub-grass and bare open soil were measured. In addition, the list of floristics and vegetation were measured. We subsequently used landscape function analysis (LFA) to measure the three indices of stability, infiltration and nutrient cycle for each growth form with 11 soil surface indices. MANOVA and correlation analysis showed that shrubs form increased soil surface stability compared to other forms. Soil of grass growth form showed a higher nutrient cycle index. The infiltration index showed no significant differences among the five growth forms. Evaluating a rangeland helps experts to recognize rangeland changes. Wind erosion control is carried out on increasing soil cohesion, thus improving soil resistance to wind. Also the studies about rangeland function with simple index in soil surface reflect of management and natural changes.

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Type of Study: Research |
Received: 2014/05/3 | Published: 2014/05/3

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