JWSS - Journal of Water and Soil Science

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The aim of this research was to determine the effects of Camphorosma monspeliaca species on soil variables in its habitat. Ecological positive or negative effects of new species on environment must carefully be examined before allowing their plantation in vast areas on the other hand these species with their special characteristics have special effects on their surrounding environment that should be considered. Camphorosma monspeliaca is one of the non-native and adapted species in Chaharmahal va Bakhtiari Province that its unique habitat has 3500 ha area. Effect of this species on new environment requires more studies on their several different aspects. Here we studied effect of this species on soil in order to assess ecological effects of this species on environment. This species distributed in all of the landscape but most distribution of species located at southern and northern aspects and land with flat topography.This species can establish in non saline soil, loam and clay loam texture with different value of organic matter, lime and gypsum. The research was carried out at four stages of information and background collection, field sampling, soil test and statistics analysis. The research method was based on comparison among adjacent stand and stands of this species. Soil variables in two surface (0-10 cm) and depth (10-30 cm) were measured. Result showed that there was significant difference among adjacent stand and stands of this species in terms of SAR, OM and Sand in stands of this species were greater than the adjacent stands. This species increased content of organic‌ matter and amounts of SAR, OM and Sand. From the results obtained on three topography position, despite of negative effect of Camphorosma monspeliaca on under soil with increase of SAR, it can be concluded that Camphorosma monspeliaca had a positive effect on soil organic matter and soil texture

Keywords: Camphorosma monspeliaca, SAR, OM, Chaharmahal va Bakhtiari Province.

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