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Forests
Special Issues
Carbon, Nitrogen, and Phosphorus Storage and Cycling in Forest Soil
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Carbon, Nitrogen, and Phosphorus Storage and Cycling in Forest Soil

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Soil".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 1107

Special Issue Editors

Dr. Jiwei Li

E-Mail Website
Guest Editor
College of Soil and Water Conservation Science and Engineering, Northwest A&F University, Yangling, China
Interests: soil organic carbon; vegetation restoration; soil microorganisms; global change; plants
Dr. Kaibo Wang

E-Mail Website
Guest Editor
Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
Interests: nitrogen cycles; carbon budget; soil respiration; soil biology

Special Issue Information

Dear Colleagues,

In forest ecosystems, plants, soil, and microorganisms are interconnected and interact with each other, unifying biotic and abiotic factors such as plants’ above-ground parts, root systems, soil organisms, and other biotic factors through the circulation of matter and energy flow within the system, forming an interconnected composite organic whole. Carbon (C), nitrogen (N), and phosphorus (P) are the three main nutrients in the ecosystem, which participate in the nutrient cycle of the ecosystem. Soil, as an important component of forest ecosystems, is a "reservoir" for supplying nutrients needed by plants and has special ecological significance in the process of above-ground and below-ground energy exchanges and material. At the same time, C, N, and P elements, as important life elements, have a strong coupling effect among them and play a crucial role for individual plants and even the whole ecosystem. The C, N, and P cycles within the ecosystem are converted among plants, soils, and microorganisms and ecological chemometrics.

In this Special Issue, we welcome reports of C, N, and P research on potential topics including, but are not limited to, the following:

  • Soil carbon, nitrogen, and phosphorus accumulation;
  • Carbon, nitrogen, and phosphorus stoichiometry;
  • Mechanisms of carbon, nitrogen, and phosphorus cycles;
  • Future perspectives for carbon, nitrogen, and phosphorus in forest soil.

Dr. Jiwei Li
Dr. Kaibo Wang
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. Forests is an international peer-reviewed open access monthly 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 2600 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

  • carbon
  • nitrogen
  • phosphorus
  • forest
  • soil
  • stoichiometry
  • storage

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Published Papers (2 papers)

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12 pages, 1872 KiB  
Article
The Role of Leaching in Soil Carbon, Nitrogen, and Phosphorus Distributions in Subalpine Coniferous Forests on Gongga Mountain, Southwest China
by Xiaoli He, Yaning Wang, Junbo He and Yanhong Wu
Forests 2024, 15(8), 1326; https://doi.org/10.3390/f15081326 - 30 Jul 2024
Viewed by 438
Abstract
To explore the role of leaching in mountainous nutrient cycling, we investigated the altitudinal distribution of soil carbon (C), nitrogen (N), and phosphorus (P) in the subalpine coniferous forest ranging from 2628 to 3044 m on the eastern slope of Mt. Gongga. The [...] Read more.
To explore the role of leaching in mountainous nutrient cycling, we investigated the altitudinal distribution of soil carbon (C), nitrogen (N), and phosphorus (P) in the subalpine coniferous forest ranging from 2628 to 3044 m on the eastern slope of Mt. Gongga. The results revealed that concentrations of C and N, as well as the atomic ratios of C:N and N:P, showed no significant difference among the sampling sites (p > 0.05) in O horizons. The concentrations of P in O horizons increased gradually with altitude. In contrast, notable variations in C, N, and P concentrations and stoichiometry were observed in the mineral horizons. Lower concentrations of C, N, and P were found in A horizons, while higher contents were present in B and C horizons compared to previous studies. Additionally, results of the random forest model indicated that C and N concentrations in the O, B, and C horizons, as well as P concentration in the B horizons, were primarily influenced by Feox concentrations. This suggested that these nutrients leached from O horizons and accumulated in B and C horizons alongside Feox. Except for C:N ratios in the O horizon, the C:N, C:P, and N:P ratios in the O, B, and C horizons were mainly affected by concentrations of Feox or Alox. These results underscored the substantial impact of leaching processes on the spatial distribution of soil C, N, and P, ultimately leading to changes in the gradient distribution of soil C:N:P stoichiometry. Specifically, the C:N ratio in the mineral horizons at the 2781 m site was significantly higher compared to other sites (p < 0.05), indicating a greater movement of C relative to N. The C:P and N:P ratios in the B horizon at the 2781 m site were notably higher than at other sampling sites (p < 0.05). Conversely, the N:P ratio in the A horizon at the 2781 m site was relatively low. Furthermore, concentrations of C and N in the B horizon at the 2781 m site were significantly higher than in other sampling points, while P concentrations were notably lower (p < 0.05). This suggested a more pronounced downward leaching of C and N compared to P at the 2781 site, indicating stronger leaching effects. Overall, this study emphasizes the significant influence of leaching processes on the spatial distributions of soil C, N, and P in subalpine coniferous forests in Southwest China. Full article
(This article belongs to the Special Issue Carbon, Nitrogen, and Phosphorus Storage and Cycling in Forest Soil)
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15 pages, 5646 KiB  
Article
Effect of Gastrodia elata Bl Cultivation under Forest Stands on Runoff, Erosion, and Nutrient Loss
by Shuyuan Yang and Jianqiang Li
Forests 2024, 15(7), 1127; https://doi.org/10.3390/f15071127 - 28 Jun 2024
Viewed by 434
Abstract
(1) Background: The understory planting of Chinese herbal medicine is a common soil and water conservation farming measure, and this approach makes full use of the natural conditions of the understory. However, a large number of studies on soil erosion have focused on [...] Read more.
(1) Background: The understory planting of Chinese herbal medicine is a common soil and water conservation farming measure, and this approach makes full use of the natural conditions of the understory. However, a large number of studies on soil erosion have focused on the simulation of natural indoor conditions, and there are very few investigations on soil erosion caused by understory planting in the field. This study aims to investigate the effects of different slopes on soil and water and nitrogen–phosphorus nutrient loss from understory planting of Gastrodia elata Bl by changing the vegetation structure and soil structure of forest land. (2) Methods: To reveal the nitrogen and phosphorus loss and flow and sediment characteristics of the understory planting of Gastrodia elata Bl, runoff plots were set up in a field, and three surface slopes (5°, 15°, and 20°) were designed to collect runoff sediments and compare the soil and water loss between the natural slopes and those with Gastrodia elata Bl. This provides a basis for the restoration of vegetation cover and the enhancement of soil fertility. (3) Results: The total loss of soil, water, nitrogen, and phosphorus in the forested land with Gastrodia elata Bl increased significantly compared with that in the natural forested land, and the greater the slope was, the greater the loss was. (4) Conclusions: Planting Gastrodia elata Bl should be avoided in areas with steep slopes and serious soil erosion. However, some soil and water conservation engineering measures can be taken, such as the construction of retaining walls, drainage ditches, etc., to minimize the scouring and erosion of soil by rainwater. Full article
(This article belongs to the Special Issue Carbon, Nitrogen, and Phosphorus Storage and Cycling in Forest Soil)
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