scholarly journals Influence of plantation of a shelter-belt on component of organic carbon in the Taklimakan desert over last decade

2018 ◽  
Vol 53 ◽  
pp. 04041
Author(s):  
Jin Zhengzhong ◽  
Wang Yingju ◽  
Lei Jiaqiang

The soils were collected from the Taklimakan Desert Highway shelter-belt with different planting years in Xinjiang, northwest of China. The soil organic carbon stork (SOCstork) in each layers. By chemical and physical pretreatment, we measured four carbon passive organic carbons, i.e., microaggregates organic carbon(OCMIA), humus organic carbon (OCHS), carbon resistance to oxidation (OCNaClO) and acid hydrolysis (OCHCl). The results showed that the OC and SOCstork was decreased with soil depth mainly in 0-50 cm. The artificial vegetation have more influence on TOC, OCMIA and OCHS than OCNaClO and OCHCl. The Tamarix chinensis shelter-belt is the most helpful for carbon sequestration in sandy soil and stabilization in surface layer than Calligonum mongolicunl and Haloxylon ammodendron.

2021 ◽  
Vol 13 (8) ◽  
pp. 4535
Author(s):  
Xuexi Ma ◽  
Zhengzhong Jin ◽  
Yingju Wang ◽  
Jiaqiang Lei

An experiment was carried out to test the effects of artificial vegetation on soil organic carbon in sandy soil. The soils were collected from the Taklimakan desert highway shelter forests with different stand age (the stand ages are 5, 7, 10, 13, 16, respectively, and three shrubs named Calligonum mongolicunl, Tamarix chinensis and Haloxylon ammodendron were planted along the highway) in Xinjiang, northwest of China. The soil organic carbon stock in soil vertical layers were calculated. We measured four passive organic carbons (i.e., micro-aggregates organic carbon, humic organic carbon, acid-resistant organic carbon and antioxidant organic carbon). Furthermore, we analyzed the correlations and ratios among the different passive organic carbons. Finally, the chemical composition of humus was detected and the relative contents of C=O and CH groups were determined. The main results showed that, (1) the soil organic carbon and organic carbon stock were decreased with the increase of depth, mainly in 0–50 cm. (2) With the increase of stand age, only in Tamarix chinensis forest, the total soil organic carbon stock increased a little. (3) Total soil organic carbon had more closely correlation with contents of micro-aggregate organic carbon and humic organic carbon. (4) C=O/C-O-C increased a little after 10 years; CH/C-O-C had no obvious change with stand age; CH2/CH3 did not change obviously after 13 years. The Tamarix chinensis forest is the most helpful for carbon sequestration in sandy soil and stabilization in surface layer than Calligonum mongolicunl and Haloxylon ammodendron.


Water ◽  
2015 ◽  
Vol 7 (12) ◽  
pp. 4343-4361 ◽  
Author(s):  
Yuan Huang ◽  
Yongdong Wang ◽  
Ying Zhao ◽  
Xinwen Xu ◽  
Jianguo Zhang ◽  
...  

Author(s):  
Feng Xu ◽  
Weikang Yang ◽  
Wenxuan Xu ◽  
Canjun Xia ◽  
Haohong Liao ◽  
...  

2015 ◽  
Vol 7 (5) ◽  
pp. 599-611 ◽  
Author(s):  
Hong Cheng ◽  
Jiajia He ◽  
Xingri Xu ◽  
Xueyong Zou ◽  
Yongqiu Wu ◽  
...  

PLoS ONE ◽  
2016 ◽  
Vol 11 (10) ◽  
pp. e0164106
Author(s):  
Jianguo Zhang ◽  
Xinwen Xu ◽  
Shengyu Li ◽  
Ying Zhao ◽  
Afeng Zhang ◽  
...  

2012 ◽  
Vol 66 (6) ◽  
pp. 1162-1170 ◽  
Author(s):  
Zhimin Wang ◽  
Guomin Li ◽  
Xue Li ◽  
Shuo Shan ◽  
Jiangyi Zhang ◽  
...  

The Taklimakan desert is known as the largest dunefield in China and also as the world's second largest shifting sand desert. The Tarim Desert Highway, which is the first highway to cross the Taklimakan desert, was built for the purpose of oil and gas resources extraction in the Tarim area, as well as for the development of the southern area of the Xinjiang Uygur Autonomous Region. Shelterbelts have been planted along the highway to prevent shifting sand from burying the road. This paper analyzes the variations of moisture and salinity of the unirrigated desert soil under natural conditions in the center of Taklimakan Desert. A number of important findings indicating the moisture and salinity of the soil at capillary saturation zone were determined by the groundwater and related to the evaporation on the top. Salinity could be affected by vegetation, which was different from moisture in the soil. Meanwhile, clay layer played an important role in water preservation in the soil, which was also beneficial to the accumulation of salinity in soil. Compared with clay layer, vegetation was a decisive factor for the gathering of salinity. The findings were significant for reasonable adjustment of irrigation in the shelterbelts for the further development of the Tarim Desert Highway.


Author(s):  
Chang-ning Jin ◽  
Zhi-nong Li ◽  
Zhi-bao Dong ◽  
Jian Liu ◽  
Tian-hua Zhang

PLoS ONE ◽  
2017 ◽  
Vol 12 (7) ◽  
pp. e0180875 ◽  
Author(s):  
Congjuan Li ◽  
Xiang Shi ◽  
Osama Abdalla Mohamad ◽  
Jie Gao ◽  
Xinwen Xu ◽  
...  

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