The effect of enclosure on carbon sequestration and soil physical and chemical properties in semi steppe rangelands of Chaharmahal and Bakhtiari Province
Subject Areas : forestmehdi moradi shahgharie 1 , pejman tahmasbi 2
1 - دانش آموخته کارشناسی ارشد مرتعداری دانشکده منابع طبیعی و علوم زمین دانشگاه شهرکرد
2 - دانشیار گروه مرتع و آبخیزداری دانشکده منابع طبیعی و علوم زمین دانشگاه شهرکرد
Keywords: Soil properties, Carbon sequestration, Grazing management, Chaharmahal and Bakhtiari province, semi steppe,
Abstract :
Abstract Earth Plant ecosystem offers different services, given the current conditions Earth and excessive pollution atmosphere, carbon sequestration to soil by plant communities is one of the most important services in long time. The present study was aimed to assess the effect of exclosure on carbon sequestration and soil physical and chemical properties in rangelands Chaharmahal and Bakhtiari Province. In each region, seven homogenous sites (grazed and non-grazed) were selected in terms of environmental conditions and vegetation and soil sampling were achieved in the each site. The vegetation sampling was done in rangeland with the establishment of transects and install a four-square-meter plots. The soil samples were done to a depth of 30 cm in each plot at the each site. Aerial biomass and litter in each plot were collected and weighed. The results of analysis data showed that the amount aerial biomass, soil carbon, and total carbon sequestration in semi-steppe rangelands with dominated grasses respectively, with 1.9 t/ha, 51.75 t/ha, and 53.02 t/ha were significantly estimated more than semi steppe shrubland rangeland. The results also showed that the average total carbon sequestration and soil in both study areas in treatment exclosure had a significant difference in grazingland treatment
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