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Forests
Special Issues
Stable Isotopes and Forest Ecological Research
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Stable Isotopes and Forest Ecological Research

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

Deadline for manuscript submissions: closed (24 July 2023) | Viewed by 1438

Special Issue Editor

Dr. Mukesh Gautam

E-Mail Website
Guest Editor
Biology Department, City Uiversity of New York-Medgar Evers College, 1650 Bedford Ave, New York, NY 11225, USA
Interests: biochemistry of forested/vegetated ecosystems; plant–soil interactions; forest litter decomposition; soil science; stable isotope ecology; forest throughfall studies

Special Issue Information

Dear Colleagues,

Stable isotopes circulate in natural systems, such as forests, through biogeochemical interactions, fractionating and mixing to produce characteristic isotope signatures and distributions in an ecosystem. These signatures are powerful tracers and recorders in ecosystem studies. In recent years, stable isotope ecology has grown tremendously; stable isotopes of carbon (δ13C), nitrogen (δ15N), strontium (87Sr/86Sr), hydrogen (δD) and oxygen (δ18O), calcium (δ44/42Ca and δ44/40Ca) and magnesium (δ26Mg) were employed to understand the changing community structure, nutrient and water-use efficiency through tree ring isotope analyses, base cation source and depletion in the forest and other vegetated ecosystems, as well as plant–soil and plant–animal interactions. Stable isotope ecology has benefitted ecosystem analysts’ understanding of ecosystems’ structure and function, and offered new perspectives of probable mechanisms of functioning.

In this Special Issue, our aim is to reinforce our current understanding by highlighting recent research studies employing stable isotopes in forest ecology, forest litter decomposition, forest biogeochemistry, forest soil, dendrochronology, forest ecohydrology and forest ecophysiology.

Dr. Mukesh Gautam
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

  • stable isotopes
  • dendrochronology
  • forest litter decomposition
  • biochemistry of forested/vegetated ecosystems
  • forest ecophysiology

Published Papers (1 paper)

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Research

22 pages, 6159 KiB  
Article
Variability in the Hydrological Processes of Six Typical Woodlands Based on Stable Isotopes in Subtropical Regions in Central China
by Fangfang Zhu, Yuchen Li and Jinhua Cheng
Forests 2023, 14(7), 1296; https://doi.org/10.3390/f14071296 - 23 Jun 2023
Viewed by 993
Abstract
Changes in woodland characteristics induced by plants and soil greatly affect soil hydrological processes. Stable isotope technology and indoor soil moisture characteristic experiments were conducted at three rainfall levels (3.6, 23.5, and 49.8 mm) to investigate the hydrological processes under six woodlands (two [...] Read more.
Changes in woodland characteristics induced by plants and soil greatly affect soil hydrological processes. Stable isotope technology and indoor soil moisture characteristic experiments were conducted at three rainfall levels (3.6, 23.5, and 49.8 mm) to investigate the hydrological processes under six woodlands (two pure forests and four mixed forests). The main influencing factors contributing to these changes were identified in a low mountain and hilly region in central China. The soil waterline equation in this area was soil water δD = 5.626 δ18O − 16.791 (R2 = 0.798). The slope and intercept in the soil waterline equation were smaller than the atmospheric waterline equation. From a temporal perspective, the soil moisture content varied in the same trend under different rainfall events, with the maximum and minimum values on the first day after rainfall and the day before rainfall, respectively. However, an overall trend that first increased and then decreased was observed. From a spatial perspective, the soil moisture content increased with soil depth, and the increase rate was in the order of 0–20 cm and 20–40 cm in different soil layers. The soil moisture content in mixed conifer broadleaved woodlands was high. The soil water δD and δ18O in mixed conifer broadleaved woodlands and underground soil were relatively depleted. The effects of soil water-holding capacity, particle size composition, slope, canopy closure, and other factors on soil hydraulic parameters were comprehensively analyzed. The results showed that the extremely coarse sand (1–2 mm) particle content was the main parameter affecting soil-saturated hydraulic conductivity Ks, whereas the slope was the main factor affecting soil water δD and δ18O. In needle-leaved forests, the soil water infiltration form was a rainwater and soil water mixture downward diffusion, whereas the rainwater replaced the original soil water in the needle and mixed conifer broadleaved forests. Full article
(This article belongs to the Special Issue Stable Isotopes and Forest Ecological Research)
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