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Ecopersia، جلد ۸، شماره ۳، صفحات ۰-۰
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی An Evaluation on Impacts of Different Land Uses and land covers on emission of carbon dioxide from soil (Case study: Biabanak, Semnan province)
چکیده انگلیسی مقاله Aims: The present research aims to monitor and assess CO2 emission from soil of different land uses and land covers including rangelands, farmlands, mines, gravel lands, and bare lands (lands characterized with no vegetation) in monthly and annual temporal scales. Materials and methods: Monthly carbon emission was monitored according to the alkali-trap method in a Closed Static Chamber from mid-March 2015 to mid-February 2016. Data on emissions and land use were analyzed in a factorial experiment in a completely randomized design with four replications. To determine the relationship between temperature and humidity factors with changes in carbon emission in each land use, Pearson correlation coefficient was used. Findings: The highest (about 3.44 g C/m2/d) and lowest (0.13 g C/m2/d) emission rate was found in mines (in July, 2016) and in gravel lands (in January, 2016), respectively. The results also showed a seasonal pattern (high in summer and low in winter) of CO2 emission. It was found that while carbon emission positively correlated with soil moisture, it showed a negative correlation with soil temperature in mines. Conclusion: The results indicated that land management should include proper land use selection and improper land use changes should be avoided.  
کلیدواژه‌های انگلیسی مقاله CO2 Emission,Factorial Experiment,Gravel Lands,Mines
نویسندگان مقاله | Nadia Kamali
Assistant Professor, Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran


| Morteza Saberi
Assistant Professor, Faculty of water and soil, University of Zabol.


| Farajollah Tarnian
Assistant Professor, Department of range and watershed management, Faculty of agriculture and natural resources, Lorestan University.


| Ahmad Sadeghi por
corresponding author, Assistant Professor, Desert studies faculty, Semnan University,
نشانی اینترنتی http://journals.modares.ac.ir/browse.php?a_code=A-10-51807-1&slc_lang=en&sid=24
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