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Forests
Special Issues
Soil Carbon and Nutrient Cycling in Forests
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Soil Carbon and Nutrient Cycling in Forests

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 834

Special Issue Editor

Dr. Yasuo Iimura

E-Mail Website
Guest Editor
School of Environmental Sciences, The University of Shiga Prefecture, 2500 Hassaka-cho, Hikone-City 522-8583, Shiga, Japan
Interests: carbon and cycle in forest; soil organic matter dynamics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Rapid changes in forest ecosystems, driven by climate change and escalating nitrogen deposition, underscore the urgency of understanding forest responses to these environmental stressors. Integral to this understanding is a comprehensive understanding of the forest carbon cycle that goes beyond the analysis of aboveground dynamics to include belowground carbon dynamics involving roots and soil. Recent research is shedding light on the critical link between these carbon dynamics and the cycling of essential nutrients such as nitrogen and phosphorus. This Special Issue aims to add to the existing body of knowledge by delving deeper into the multifaceted, yet somewhat mysterious, forest carbon cycle and its interactions with nutrient cycles. We cordially invite wide-ranging studies that focus on carbon and nutrient cycles and their interactions throughout forest ecosystems—from the leafy canopy to the intricate root systems and soils below. Through this collaborative effort, we seek to demystify nature's complex intricacies and better equip ourselves to address the impending environmental challenges.

Dr. Yasuo Iimura
Guest Editor

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
  • nitrogen deposition
  • carbon cycle
  • nutrient cycle
  • root
  • soil
  • forest

Published Papers (1 paper)

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Research

13 pages, 1935 KiB  
Article
Effects of the Co-Application of Glucose, Nitrogen, and Elevated Temperature on Buried Black Soil Carbon in a Cool Temperate Deciduous Broad-Leaved Forest
by Yasuo Iimura and Daichi Tanaka
Forests 2024, 15(6), 1057; https://doi.org/10.3390/f15061057 - 19 Jun 2024
Viewed by 500
Abstract
Accurately predicting the feedback mechanisms between forest ecosystem carbon cycling and climate change is crucial for effective climate mitigation. Understanding soil organic carbon (SOC) responses to the combined impacts of plant biomass, litter, and nitrogen deposition, especially regarding temperature sensitivity, is essential but [...] Read more.
Accurately predicting the feedback mechanisms between forest ecosystem carbon cycling and climate change is crucial for effective climate mitigation. Understanding soil organic carbon (SOC) responses to the combined impacts of plant biomass, litter, and nitrogen deposition, especially regarding temperature sensitivity, is essential but remains poorly understood. We conducted incubation experiments using buried black soil from a cool temperate deciduous broad-leaved forest in Japan, which has high C content and a highly stable molecular structure. The stepwise addition of glucose and a temperature increase from 15 to 35 °C accelerated SOC mineralization by 74.0 mg C kg−1 with a positive priming effect (PE) during the 49-day incubation period, while the simultaneous addition of nitrogen had no significant effect on this phenomenon, with SOC mineralization measured at 75.5 mg C kg−1. Conversely, glucose mineralization was significantly accelerated by 10%, from 241.0 to 261.3 mg C kg−1, by stepwise nitrogen addition and temperature increase. Under the combined impacts, the Q10 value of the soil increased significantly from 1.6 to 2.0 compared to that in the unmodified conditions, primarily due to the stepwise addition of glucose. We also found a strong positive correlation between activation energy (Ea) and Q10. This result strongly supports the carbon quality–temperature (CQT) hypothesis. These results likely stem from interactions between SOC quality and carbon availability, suggesting that, in the future, climate change is likely to have a positive feedback effect, especially on buried black soils. Full article
(This article belongs to the Special Issue Soil Carbon and Nutrient Cycling in Forests)
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