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Forests
Special Issues
Soil Carbon in Forest Ecosystems
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Soil Carbon in Forest Ecosystems

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

Deadline for manuscript submissions: 30 December 2024 | Viewed by 2320

Special Issue Editors

Dr. Jiangbo Qiao

E-Mail Website
Guest Editor
State Key Laboratory of Soil Erosion and Dryland Agriculture on the Loess Plateau, Northwest A&F University, Yangling, Xiangyang 712100, China
Interests: forests carbon cycle; soil water cycle; arid area; loess plateau; soil hydrology
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yang Yang

E-Mail Website
Guest Editor
State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710061, China
Interests: global change; carbon cycle; microbial ecology; loess plateau; pedology
Special Issues, Collections and Topics in MDPI journals
Dr. Tongchuan Li

E-Mail Website
Guest Editor
State Key Laboratory of Soil Erosion and Dryland Agriculture on the Loess Plateau, Northwest A&F University, Yangling 712100, China
Interests: soil animals; forest carbon cycle; climate change; loess plateau; soil ecology
Special Issues, Collections and Topics in MDPI journals
Dr. Yuanjun Zhu

E-Mail Website
Guest Editor
State Key Laboratory of Soil Erosion and Dryland Agriculture on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences (CAS) & Ministry of Water Resources (MWR), Yangling, Wuhan 712100, China
Interests: water–soil relationship; arid region; agroecosystem; deep soil layer; land use change

Special Issue Information

Dear Colleagues,

Global warming is one of the most serious problems in the world today. Forest ecosystems play an irreplaceable role in mitigating global warming, among which forest soil, as the largest carbon pool in terrestrial ecosystems, has attracted much attention. In the context of climate change and human activities, forest soil carbon storage is in great uncertainty. Therefore, this Special Issue focuses on the process and mechanism of soil carbon cycling in forest ecosystems under the combined influence of climate change and human activities.

Potential topics include, but are not limited to:

  • Soil carbon difference between natural forests and plantation forests and their mechanisms;
  • Status, dynamic change and potential of forest soil carbon storage;
  • Effects of forest structure and management measures on soil carbon;
  • Forest deep soil carbon storage;
  • Change trend and mechanism of forest soil carbon in future climate.

Dr. Jiangbo Qiao
Dr. Yang Yang
Dr. Tongchuan Li
Dr. Yuanjun Zhu
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

  • climate change
  • human activities
  • forest ecosystem
  • soil carbon cycle
  • global warming

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

28 pages, 2504 KiB  
Article
Carbon Balance in Soils under Conifers and Broadleaved Species within La Sierra, Dominican Republic
by Santiago W. Bueno-López, Luis R. Caraballo-Rojas and Esclaudys Pérez-Gonzales
Forests 2024, 15(9), 1645; https://doi.org/10.3390/f15091645 - 18 Sep 2024
Viewed by 822
Abstract
Our research assesses the effects of four forest species, namely, Swietenia macrophylla King, Swietenia mahagoni (L.) Jack., Pinus occidentalis Swartz, and Pinus caribaea Morelet var. Caribaea, on the soil and litter organic carbon (C) stocks, C dioxide equivalent balance (BCO2 Eq.) diurnal, [...] Read more.
Our research assesses the effects of four forest species, namely, Swietenia macrophylla King, Swietenia mahagoni (L.) Jack., Pinus occidentalis Swartz, and Pinus caribaea Morelet var. Caribaea, on the soil and litter organic carbon (C) stocks, C dioxide equivalent balance (BCO2 Eq.) diurnal, and periodic dynamics beneath these species. Reforestation projects in the study region cover 1200, 543, 770, and 1152 hectares, respectively, with these four species being the most relevant in reforestation projects within the country. To determine the BCO2 Eq. per unit area, we compared the greenhouse gas (GHG) fluxes of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) expressed as CO2 Eq. units with the organic C stocks found in the mineral soil to a depth of 30 cm and in the forest litter. In four measurement periods over 18 months, we conducted field measurements in sixteen stands, four per species. Our results indicate that S. mahagoni emitted the lowest CO2 Eq., while S. macrophylla released the highest amount into the atmosphere. At the end of the 18 months, BCO2 Eq. from S. macrophylla soils was 299.70 metric tons ha−1 year−1, while for P. occidentalis, P. caribaea, and S. mahagoni, the corresponding quantities were 103.64, 146.41, and 72.34, respectively. All species showed a general upward pattern in soil respiration from September 2020 to March 2022. The average CO2 Eq. flux rates to the atmosphere were approximately 65.4, 51.1, and 75.9 percent higher in S. macrophylla soils compared to the respective rates of P. occidentalis, P. caribaea, and S. mahagoni. Full article
(This article belongs to the Special Issue Soil Carbon in Forest Ecosystems)
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15 pages, 4740 KiB  
Article
Dynamics of Carbon and Water Fluxes over Cropland and Agroforest Ecosystems on the Southern Chinese Loess Plateau
by Xiaoyang Han, Fengru Fang, Chenyun Bai, Kang Du, Yuanjun Zhu and Wenzhao Liu
Forests 2024, 15(5), 774; https://doi.org/10.3390/f15050774 - 28 Apr 2024
Viewed by 1002
Abstract
Studies on the spatiotemporal dynamics in ecosystem carbon and water exchanges are essential in predicting the effects of climate change on regional carbon and energy budgets. Using the eddy covariance technique, carbon and water fluxes were observed in a typical winter wheat ecosystem [...] Read more.
Studies on the spatiotemporal dynamics in ecosystem carbon and water exchanges are essential in predicting the effects of climate change on regional carbon and energy budgets. Using the eddy covariance technique, carbon and water fluxes were observed in a typical winter wheat ecosystem (WWE) and an agroforest ecosystem (AFE) in the southern Loess Plateau from 2004 to 2010. The seasonal and inter-annual variability in gross primary productivity (GPP), net ecosystem exchange (NEE), evapotranspiration (ET), and water use efficiency (WUE) were examined and the main influencing factors were identified using the Pearson correlation. The results indicate that the seasonal GPP and NEE showed a bimodal distribution in WWE, while this was unimodal in AFE. The sinusoidal function did well in the characterization of seasonal ET dynamics for both ecosystems, with the determination coefficients being 0.85 and 0.94, respectively. In WWE and AFE, the annual mean GPP were 724.33 and 723.08 g C m−2 a−1, respectively, and the corresponding ET were 392.22 and 410.02 mm a−1. However, the difference in NEE between the two ecosystems was obvious, NEE were −446.28 and −549.08 g C m−2 a−1, respectively, showing a stronger carbon sink in AFE. There were strong coupling relationships between the GPP and ET of both ecosystems; the overall slopes were 1.71 and 1.69, respectively. The seasonal trend of WUE was bimodal in WWE, with peak values of 3.94 and 3.65 g C kg−1 H2O, occurring in November and April, respectively. However, the monthly WUE in AFE had one single peak of 4.07 g C kg−1 H2O in January. Photosynthetically active radiation (PAR) and soil temperature (Ts) were most positively correlated with GPP, net radiation (Rn) and Ts were the major factors influencing ET, while vapor pressure deficit (VPD) and soil water content (SWC) were the major influencing factors for WUE. These results provide observational support for regional carbon neutrality simulations. Full article
(This article belongs to the Special Issue Soil Carbon in Forest Ecosystems)
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