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Grazing effects on total carbon and nitrogen content of wind-eroded soils in desert steppe
  • +9
  • Bohan Zhang,
  • Shi-jie Lv,
  • Zhiqiang Qu,
  • Guodong Han,
  • Cuiping Gao,
  • Andreas Wilkes,
  • Junran Li,
  • Shuhui Wang,
  • Rong Wang,
  • Xiaoyan Wang,
  • Yisula Bai,
  • Zhiguo Li
Bohan Zhang
Inner Mongolia Agricultural University
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Shi-jie Lv
Inner Mongolia Agricultural University
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Zhiqiang Qu
Inner Mongolia Agricultural University
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Guodong Han
Inner Mongolia Agricultural University
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Cuiping Gao
Inner Mongolia Agricultural University
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Andreas Wilkes
World Agroforestry Centre
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Junran Li
The University of Tulsa
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Shuhui Wang
Inner Mongolia Agricultural University
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Rong Wang
Inner Mongolia Agricultural University
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Xiaoyan Wang
Inner Mongolia Agricultural University
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Yisula Bai
Inner Mongolia Agricultural University
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Zhiguo Li
Inner Mongolia Agricultural University

Corresponding Author:[email protected]

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Abstract

A high stocking rate can intensify wind erosion in grasslands, and strong wind can carry away soil surface particles and their nutrients, which leads to soil barrenness. In this research, the dust flux, total carbon (TC) and total nitrogen (TN) contents and fluxes of aeolian sediment were computed in the non-growing season (mid-October to mid-April of the following year) and growing season (mid-April to mid-October) from 2018 to 2020 at a long-term grazing gradient experiment platform and wind-erosion monitoring experiment in a desert steppe in Inner Mongolia, China. The results were as follows, 1) with the increasing of stocking rate, the fluxes of aeolian sediment at 10 cm (H10), 30 cm (H30), and 100 cm (H100) were greatly increased ( P<0.05). Aeolian sediment fluxes followed the order control (CK) < light stocking rate (LG) < moderate stocking rate (MG) < heavy stocking rate (HG). 2) TC and TN contents of aeolian sediment reflected stocking rates and followed the order CK>LG>MG>HG, and also reflected aeolian sediment collection height, as H10P>0.05). TC and TN contents in HG at different heights reduced by 31.1% and 25.9% on average in comparison to the CK in the non-growing season, and by 30.1% and 25.0% in the growing season. TC loss was higher than TN loss. Overall, as stocking rate increased, wind erosion increased, leading to the loss of soil nutrients and significant loss of the carbon pool in this desert steppe.
10 Jan 2023Submitted to Land Degradation & Development
12 Jan 2023Submission Checks Completed
12 Jan 2023Assigned to Editor
12 Jan 2023Review(s) Completed, Editorial Evaluation Pending
14 Jan 2023Reviewer(s) Assigned
28 Jan 2023Editorial Decision: Revise Major
28 Feb 20231st Revision Received
28 Feb 2023Submission Checks Completed
28 Feb 2023Assigned to Editor
28 Feb 2023Review(s) Completed, Editorial Evaluation Pending
28 Feb 2023Reviewer(s) Assigned
04 Apr 2023Editorial Decision: Revise Major
18 Apr 20232nd Revision Received
18 Apr 2023Submission Checks Completed
18 Apr 2023Assigned to Editor
18 Apr 2023Review(s) Completed, Editorial Evaluation Pending
19 Apr 2023Reviewer(s) Assigned
01 Jul 2023Editorial Decision: Revise Minor
10 Jul 20233rd Revision Received
10 Jul 2023Submission Checks Completed
10 Jul 2023Assigned to Editor
10 Jul 2023Review(s) Completed, Editorial Evaluation Pending
11 Jul 2023Editorial Decision: Accept