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dc.contributorEmami, Nazaninen_US
dc.contributorGhaffari, Nasrinen_US
dc.contributorHonarjoo, Naseren_US
dc.contributorSahrawat, Kanwar Lalen_US
dc.creatorAyoubi, Shamsollahen_US
dc.identifier.citationShamsollah Ayoubi, Nazanin Emami, Nasrin Ghaffari, Naser Honarjoo, Kanwar Lal Sahrawat. (30/11/2014). Pasture degradation effects on soil quality indicators at different hillslope positions in a semiarid region of western Iran. Environmental Earth Sciences, 71, pp. 375-381.en_US
dc.description.abstractA study was made to determine the influence of pasture degradation on soil quality indicators that included physical, chemical, biological and micromorphological attributes, along the hillslope positions in Chaharmahal and Bakhtiari province, western Iran. Soil samples from different slope positions were collected from 0 to 30 cm depth for physical and chemical properties and from 0 to 15 cm depth for biological properties at two adjacent sites in the two ecosystems: natural pasture and cultivated land. Soil quality indicators including bulk density, mean weight diameter, soil organic carbon (SOC), particulate organic material (POM) in aggregate fractions, total nitrogen, available potassium, available phosphorus, cation exchange capacity, soil microbial respiration (SMR) and microbial biomass C and N were determined. The results showed that SOC decreased cultivation from 1.09 to 0.77 % following pasture degradation. The POM decreased by about 19.35 % in cultivated soils when compared to natural pasture; also, SMR and microbial biomass C and N decreased significantly following pasture degradation. Furthermore, aggregate stability and pore spaces decreased, and bulk density increased in the cultivated soils. Overall, our results showed that long-term cultivation following pasture degradation led to a decline in soil quality in all selected slope positions at the site studied in the semiarid region.en_US
dc.publisherSpringer Verlag (Germany)en_US
dc.sourceEnvironmental Earth Sciences;71,(2014) Pagination 375,381en_US
dc.subjectslope positionen_US
dc.titlePasture degradation effects on soil quality indicators at different hillslope positions in a semiarid region of western Iranen_US
dc.typeJournal Articleen_US
cg.subject.agrovocland use changeen_US
cg.subject.agrovocsoil qualityen_US
cg.contributor.centerIsfahan University of Technology, College of Agriculture - IUT - CoAen_US
cg.contributor.centerIslamic Azad University, Department of Soil and Water Scienceen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.crpCRP on Dryland Systems - DSen_US
cg.contributor.funderNot Applicableen_US
cg.coverage.regionSouthern Asiaen_US
cg.isijournalISI journalen_US
dc.identifier.statusLimited accessen_US
cg.journalEnvironmental Earth Sciencesen_US

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