Paper Information

Journal:   DESERT (BIABAN)   2003 , Volume 8 , Number 1; Page(s) 152 To 162.
 
Paper: 

EFFECT OF HALOYLON PLANTATION ON SOME SOIL CHARACTERISTICS AND VEGETATION COVER (CASE STUDY: HOSSEIN ABAD-E-MISHMAST REGION OF QOM PROVINCE)

 
 
Author(s):  JAFARI M., NIKNAHAD H., ERFANZADEH R.
 
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Abstract: 

Haloxylon plantation was done due to sand dune stabilization, reclamation of degraded lands and reduction of wind erosion damages to Hossein Abad-e-Mishmast region of Qom province. The objective of the research was evaluation of Haloxylon plantation effects on soil characteristics and vegetation cover. At first, four key areas were determined in each plantation and control regions. Sampling was performed with randomized-systematic method. Three transects with length of 500 m were established in each, key area and 10 plots were selected in each transect. Floristic list, cover percentage and number of plants were recorded within each plot. Also, yield, density, frequency and species composition were determined. A profile was dug in each transect due to survey of soil characteristics. The measured soil variables included texture, organic matter, electrical conductivity (EC), acidity (pH), phosphorous, nitrogen, sodium and potassium. T-test (paired sample t-test) was used to compare the soil characteristics between two regions. The results showed that cover percentage, yield and homogeneity of vegetation increased and species composition were better in plantation lands than the control region. Also, there were significant differences between soil characteristics except of soluble sodium in plantation and control region. Organic matter, potassium, phosphorus and nitrogen in plantation lands were more than the control region. In addition, in plantation lands, alkalinity and salinity were increased more than the control region.

 
Keyword(s): CONTROL REGION, HALOXYLON PLANTATION, PAIRED SAMPLE T-TEST, SOIL CHARACTERISTICS, VEGETATION, QOM PROVINCE
 
References: 
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