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Relationship between Plant Isotope Composition and Environmental Changes
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Relationship between Plant Isotope Composition and Environmental Changes

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (10 July 2022) | Viewed by 2367

Special Issue Editor

Prof. Dr. Guo'an Wang

E-Mail Website
Guest Editor
College of Resource and Environmental Sciences, China Agricultural University, Beijing 100193, China
Interests: carbon, nitrogen, hydrogen, oxygen isotopes of plants and soils and their significance in climate and environmental studies; nitrogen and carbon cycles in terrestrial ecosystem using stable isotope technology; biomarkers in plants and soils and their significance in climate and environmental studies

Special Issue Information

Dear Colleagues,

Since the Industrial Revolution, the global environment has undergone tremendous changes, which have profoundly affected production and life. Global change has become a topic of most concern. How global changes affect terrestrial ecosystems and how vegetation or plants respond to global changes are important topics in global change research. Due to the rapid advancement of mass spectrometry technology and the advantages of high resolution of isotope technology, the role of plant isotopes in exploring the relationship between global environmental changes and the development of terrestrial ecosystems have become increasingly prominent. In recent decades, scientists have used plant isotopes to reveal changes in the carbon, nitrogen, and water cycles of terrestrial ecosystems with the global environment and the ecological strategies that plants adopt to adapt to environmental changes. These studies have played a vital role in understanding the relationship between global change and terrestrial ecosystems. This Special issue aims to publish research papers on the influence of environmental factors, biological factors, and their interaction on plant stable isotopes and the use of plant isotopes to reveal responses of plants or terrestrial ecosystems to environmental changes, the coupling between carbon cycle, nitrogen cycle, and water cycle, ecological and environmental physiology, growth, metabolism, morphogenesis, etc.

Prof. Dr. Guo'an Wang
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. Plants 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 2700 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

  • plants
  • isotopes
  • environmental changes
  • terrestrial ecosystems
  • responses of plants or terrestrial ecosystems
  • biogeochemistry
  • isotopic geochemistry
  • plant growth
  • ecophysiology

Published Papers (1 paper)

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Research

18 pages, 2927 KiB  
Article
15N Natural Abundance of C3 and C4 Herbaceous Plants and Its Response to Climatic Factors along an Agro-Pastoral Zone of Northern China
by Xianzhao Liu, Yang Li, Yong Zhang, Qing Su, Teng Feng and Yan Song
Plants 2022, 11(24), 3526; https://doi.org/10.3390/plants11243526 - 14 Dec 2022
Cited by 2 | Viewed by 1916
Abstract
The nitrogen isotope composition of plants (δ15N) can comprehensively reflect information on climate change and ecosystems’ nitrogen cycle. By collecting common herbs and soil samples along the 400 mm isoline of mean annual precipitation (MAP) in the agro-pastoral zone of North [...] Read more.
The nitrogen isotope composition of plants (δ15N) can comprehensively reflect information on climate change and ecosystems’ nitrogen cycle. By collecting common herbs and soil samples along the 400 mm isoline of mean annual precipitation (MAP) in the agro-pastoral zone of North China (APZNC) and measuring their δ15N values, the statistical characteristics of foliar δ15N of herbs and the responses of foliar δ15N to the MAP and mean annual temperature (MAT) were analyzed. The results showed that: (1) the δ15N values of all herbs investigated varied from −5.5% to 15.25%. Among them, the δ15N value range of C3 herbs (−5.5~15.00%) was wider than that of C4 herbs (−2.17~15.25%), but the average value (3.27%) of C3 herbs was significantly lower than that of C4 herbaceous plants (5.55%). This difference provides an important method for identifying plants of different photosynthetic types by nitrogen isotope technology. (2) Along the transect from northeast to southwest, the δ15N of both C3 and C4 herbs decreased with the increase in the MAP, but not significantly for C3 herbs. The inverse relationship between the nitrogen isotopic signatures of herbs and MAP is consistent with previous studies. However, the MAP in the APZNC is found to only explain a small amount of the observed variance in the δ15N herbs (C3 herbs: 10.40%; C4 herbs: 25.03%). (3) A strong negative relationship was found between δ15N of herbs and MAT across the transect (C3 herbs: −0.368%/°C; C4 herbs: −0.381%/°C), which was contrary to the global pattern and some regional patterns. There was no significant difference in the δ15N responses of two different photosynthetic herbs to temperature, but the effect of temperature on the variances of δ15N of C3 and C4 herbs was significantly greater than that of precipitation. This suggests that temperature is a key factor affecting foliar δ15N of herbs in this transect. The above findings may be of value to global change researchers studying the processes of the nitrogen cycle and gaining an insight into climate dynamics of the past. Full article
(This article belongs to the Special Issue Relationship between Plant Isotope Composition and Environmental Changes)
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