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Research on Water and Soil Conservation
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Research on Water and Soil Conservation

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Soil Conservation and Sustainability".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2866

Special Issue Editors

Dr. Long Sun

E-Mail Website
Guest Editor
State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Interests: soil moisture; soil erosion; soil and water conservation; isotope hydrology; catchment hydrology
Dr. Tianjiao Feng

E-Mail Website
Guest Editor
School of Soil and Water Conservation, Beijing Forestry University, Beijing 100091, China
Interests: eco-hydrological processes; soil water-holding capacity; vegetation restoration; water balance
Dr. Wenzhao Guo

E-Mail Website
Guest Editor
Institute of Soil and Water Conservation, CAS& MWR, Xianyang, China
Interests: soil erosion; water and soil conservation; mass movement

Special Issue Information

Dear Colleagues,

Water and soil loss have been regarded as one of the most serious ecological problems worldwide, especially in eco-fragile areas, posing serious challenges to human survival and development. The exploration of water and soil conservation, analyses of the damage caused by land degradation, and improving the rationality of soil and water conservation in practice can help promote ecological and environmental construction and can help us to achieve the sustainable development goals (SDGs), thus playing a significant role in eco-environmental protection and sustainability.

Soil hydrology determines the water flow in the soils in various ecosystems. Soil acts as an interface and carrier within the atmosphere and lithosphere and regulates the runoff discharge and soil water content. Soil hydrological properties also affect life and plant growth in ecosystems, which is a key component to achieve the goals of sustainable management. Land management processes, such as vegetation restoration, can alter soil hydrological processes. There is a need to develop new methods to assess those changes from a soil hydrology perspective.

This Special Issue is open to advanced research on soil and water conservation, soil water content, soil hydrological processes, soil infiltration, runoff discharge at different scales, plant–soil relationships, and soil erosion. Additionally, research on ecosystem hydrological services, functions, and sustainable development will also be considered for this Special Issue, as it also fits within the scope of the journal.

We wish to compile research works that will show the state of the art as well as recent and advanced achievements. Theoretical, methodological, and case study papers are welcome.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Advanced theoretical innovation, creative methods, and novel findings of soil and water conservation;
  • The relationship among environmental factors, runoff, soil erosion, and soil and water conservation;
  • Responses of soil hydrological process and water storage to land use change or various environmental conditions;
  • Dynamic processes and mechanisms of soil erosion under changing environment conditions;
  • The effects of ecological restoration on eco-hydrological processes.

We look forward to receiving your contributions.

Dr. Long Sun
Dr. Tianjiao Feng
Dr. Wenzhao Guo
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • soil hydrology
  • sustainable land management
  • soil erosion
  • water and soil conservation
  • eco-hydrological processes
  • soil hydrological properties
  • sustainable development goals

Published Papers (2 papers)

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Research

20 pages, 3709 KiB  
Article
Soil Water Erosion and Its Hydrodynamic Characteristics in Degraded Bald Patches of Alpine Meadows in the Yellow River Source Area, Western China
by Shengchun Tong, Guorong Li, Xilai Li, Jinfang Li, Hui Zhai, Jianyun Zhao, Haili Zhu, Yabin Liu, Wenting Chen and Xiasong Hu
Sustainability 2023, 15(10), 8165; https://doi.org/10.3390/su15108165 - 17 May 2023
Cited by 2 | Viewed by 1076
Abstract
Degraded bald patches have been active influencing factors in recent years, leading to meadow degradation and soil erosion in the Yellow River source area. In this study, we aimed to quantify the soil water erosion patterns and the hydrodynamic characteristics of degraded bald [...] Read more.
Degraded bald patches have been active influencing factors in recent years, leading to meadow degradation and soil erosion in the Yellow River source area. In this study, we aimed to quantify the soil water erosion patterns and the hydrodynamic characteristics of degraded bald patches under different vegetation coverage (10%, 30%, 50%, 70% and 90%) and slope (10°, 20° and 30°) combination treatments through simulated rainfall experiments, and to investigate the influence of rodent activities on meadow degradation and soil erosion using zokor mound bare ground as a control. The results show that rodent activity exacerbates erosion problems and that soil erosion rates are negatively correlated with the degree of meadow degradation as an exponential function (p < 0.01). All slope flows are laminar; Reynolds and Froude numbers decrease as a function of vegetation coverage exponentially and linearly (p < 0.01), respectively, and are positively correlated with slope. Flow resistance increases with increasing vegetation coverage and decreasing slope, and vegetation coverage and slope are significant factors affecting flow resistance (p < 0.05). Runoff shear stress was found to range from 1.71 to 5.27 N m−2 in the study area and is positively correlated with vegetation coverage and slope, with a much greater influence of slope than vegetation coverage (p < 0.05). Based on the Pearson correlation and grey correlation method analysis, we concluded that runoff rate, flow velocity, Reynolds number and the Froude number can all describe the hydraulic erosion state under the action of soil erosion on slopes. The Reynolds number was tentatively judged to be the best hydrodynamic parameter to describe the soil erosion process. We conclude that developing degraded bald patches reduces flow resistance and increases surface runoff capacity and soil erodibility by reducing vegetation coverage. The reasonable control of rodent activity can effectively combat erosion on degraded bald patches. Full article
(This article belongs to the Special Issue Research on Water and Soil Conservation)
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11 pages, 2042 KiB  
Article
How Extraction and Purification Affect MALDI-TOF MS Characterization of Mangrove Condensed Tannins, An Ecologically Important Secondary Metabolites in Coastal Wetland Ecosystem
by Tao Lang, Ping Xiang, Mingdang Li, Zhiteng Chen, Fenglan Li, Mingguo Jiang and Haichao Zhou
Sustainability 2022, 14(22), 14960; https://doi.org/10.3390/su142214960 - 11 Nov 2022
Viewed by 1197
Abstract
Mangrove plants are rich in tannins, especially condensed tannins (CTs), which play an important role in biogeochemistry in coastal wetland ecosystem due to their functions of binding nutrients and heavy metal chelation. This study aims to obtain authentic chemical structures of mangrove CTs [...] Read more.
Mangrove plants are rich in tannins, especially condensed tannins (CTs), which play an important role in biogeochemistry in coastal wetland ecosystem due to their functions of binding nutrients and heavy metal chelation. This study aims to obtain authentic chemical structures of mangrove CTs by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). Four organic solvents (n-hexane, ether, chloroform, and EtOAc (ethyl acetate)) were used for extraction tests and three purification methods (Method 1, Sephadex LH-20 absorbed tannins, and nontannins fraction were washed by 50% methanol (mp) solution; Method 2, Sephadex LH-20 absorbed tannins and nontannins fraction were washed by 100% ethanol (ep), and released in 70% acetone solution; and Method 3, Yb3+ selectivity precipitated tannins) were conducted to investigate their influences on the characterization of CTs from two mangrove species, Bruguiera gymnorhiza and Kandelia obovata. The results showed that (1) EtOAc was used as an extraction solvent, leading to unauthentic structural properties of CTs; (2) the distribution patterns of the polymers in mangrove CTs purified with 50% methanol elicited the least different trends with those of CTs in the two mangrove crude extracts, and the lower oligomers (dimmer-hexamer) and higher polymers were lost during purification of CTs by 100% ep. Therefore, based on the toxicity and price of solvents, the crude CTs from mangrove plants can be extracted with n-hexane or ether to remove lipid and pigment impurities and then purified with 50% methanol, which is a complete set of methods to obtain completely authentic structural information of mangrove CTs. This study can offer more accurate structural information of mangrove CTs and new insights for the conservation of mangrove living environments for follow-up research. Full article
(This article belongs to the Special Issue Research on Water and Soil Conservation)
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