Assessing the Effects of Strip Cutting methods on Soil Erosion (A Case Study: Chafroud Forest)

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SOBH ZAHEDI SH.; NAGHDI R.; GHARIBREZA M.R.; SALEHI A.; ZAHEDI GH.

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Journal: Iranian journal of Forest Year:2020 | Volume:12 | Issue:1 Page(s): 49-60

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Title

Assessing the Effects of Strip Cutting methods on Soil Erosion (A Case Study: Chafroud Forest)

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Keywords

Soil redistributionQ1

Forest utilizationQ1

Hyrcanian forestQ1

Fallout radionuclideQ1

137 CsQ1

Abstract

The present study reveals for the first time the rate of soil erosion using radioisotope method in the Hyrcanian forests, which were harvested three decades ago by strip harvesting. Based on the available records, the selected area in compartment 703 of Chafroud Guilan region was selected. In order to study the soil stability in field operations, a scraper plate was used to take samples in different depths of the reference area, from 2 centimeters depth up to 30 cm (maximum penetration depth of cesium). Then, in the reference, harvested and non-harvested areas, some samples were taken by core sampler. Samples were prepared according to IAEA guidelines and then, the quantity of their radiocesium was counted in the laboratory of Atomic Energy Organization. Finally, the mean 137Cs zones of the selected samples were 5894. 1 Bq/m2. Therefore, in order to achieve the desired objectives of the study, three models named as MBI, MBII, and Proportional Conversion were used to reveal the erosion rate in which it was discovered that the non-harvested natural strips had some rates of 0. 2, 0. 7 and 0. 6 t-ha-1-1-y, while in the harvested strips the rates were increased up to 8. 87, 5. 80 and 4. 77 t-ha-1--1 y, respectively. Accordingly, it resulted in an average soil loss of 1. 2 mm in the harvested strips and 0. 9 mm in the natural parts per year and after 29 years of harvesting. Consequently, they can be considered as efficient methods in studying the forest hydrology and they also showed the protective role of forests in reducing the soil erosion.

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APA: Copy

SOBH ZAHEDI, SH., NAGHDI, R., GHARIBREZA, M.R., SALEHI, A., & ZAHEDI, GH.. (2020). Assessing the Effects of Strip Cutting methods on Soil Erosion (A Case Study: Chafroud Forest). IRANIAN JOURNAL OF FOREST, 12(1 ), 49-60. SID. https://sid.ir/paper/123287/en

Vancouver: Copy

SOBH ZAHEDI SH., NAGHDI R., GHARIBREZA M.R., SALEHI A., ZAHEDI GH.. Assessing the Effects of Strip Cutting methods on Soil Erosion (A Case Study: Chafroud Forest). IRANIAN JOURNAL OF FOREST[Internet]. 2020;12(1 ):49-60. Available from: https://sid.ir/paper/123287/en

IEEE: Copy

SH. SOBH ZAHEDI, R. NAGHDI, M.R. GHARIBREZA, A. SALEHI, and GH. ZAHEDI, “Assessing the Effects of Strip Cutting methods on Soil Erosion (A Case Study: Chafroud Forest),” IRANIAN JOURNAL OF FOREST, vol. 12, no. 1 , pp. 49–60, 2020, [Online]. Available: https://sid.ir/paper/123287/en

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