year 6, Issue 2 (2016 summer 2016)                   E.E.R. 2016, 6(2): 75-88 | Back to browse issues page

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Vahabzadeh Kebria G, Reiahi M R, Roshun S H. Investigation of Land Use Change on Physicochemical Characteristics and Soil Erosion in Kaftargar Basin of Behshahr. E.E.R.. 2016; 6 (2) :75-88
Sari university of Agricultural Sciences and Natural Resources ,
Abstract:   (3454 Views)

The land-use change, cutting forest trees and the grasslands conversion to agricultural lands destroyed natural ecosystems and also current or future production capacity reduce and these are harmful effects on the soil physicochemical characteristics. This study taken with aim, checking the role of forest-land change on some soil physical-chemical characteristics and then identify some effectiveness variables on soil erodibility index in the part of Nekarood watershed . In this study survived the three forest, pasture and agriculture land uses.. Then the 7 soil samples in completely randomized block design collected and compared from two soil surface layers of 0-10 cm and 10-20cm.The results showed that the amount of organic matter for agriculture and grassland land use toward forest land use decreased to 35.70 and 21.85% (layer of 0-10 cm), respectively and 36.22 and 22.64% (layer of 10-20 cm), respectively. R The maximum total nitrogen in forest land use observed with amount of 0.37 and layer of 0-10 cm and the minimum total nitrogen in agriculture land use observed with amount of 0.16 and layer of 10-20 cm, that it had reducing equal56.75The results also showed that the bulk density, pH and sand percent increased in forest land use wherese, of, soil porosity, caution exchange capacity, silt and clay present decreased. The results presented that the soil erodibility after changing forest land use had increase about 1.5 because declining perennial vegetation, soil organic matter, aggregating the soil structure and aggregate stability.

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Type of Study: Research |
Received: 2015/10/28 | Published: 2017/02/20

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