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Journals
Atmosphere
Special Issues
Global Changes and Nitrogen Cycling in Grasslands
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Global Changes and Nitrogen Cycling in Grasslands

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 1632

Special Issue Editor

Prof. Dr. Changhui Wang

E-Mail Website
Guest Editor
College of Grassland Science, Shanxi Agricultural University, Jinzhong, China
Interests: nitrogen mineralization; nitrification; ammonification; microbial biomass nitrogen; global change biology

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is to provide recent advances in the field of global change effects on nitrogen cycling in terrestrial ecosystem, including warming, precipitation changes, land use and nitrogen deposition and so on. Global change has had a profound impact on nitrogen cycling in terrestrial ecosystems. This Special Issue focuses on the nitrogen cycling of terrestrial ecosystems under the background of climatic changes, including the relationships among plant-soil–microbes across a wide range of spatial scales, from global to urban. We encourage the submission of papers discussing nitrogen processes’ features of climate change and variability in different parts of the world, obtained from field observations and cultural experiments in the laboratory. Articles focusing on nitrogen turnover, greenhouse gas fluxes, plant nitrogen use efficiency, and litter decomposition based on the microbial mechanisms in the future are very welcome. Contributions describing the development of techniques and methodologies to mitigate climate risks are of considerable interest. Since nitrogen cycling represents one of the most important biogeochemical cycles for mitigating the effects of global change, articles that examine isotope and molecular biology techniques and their potential applications and uses are of particular interest.

Thus, the main purpose of this Special Issue is to shed more light on the effects of climate change on nitrogen cycling in natural ecosystems.

Prof. Dr. Changhui 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. Atmosphere 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 2400 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

  • gross mineralization
  • nitrification
  • ammonification
  • nitrogen fixation
  • nitrate leaching
  • NH3 volatilization
  • GHGs gas fluxes
  • microbial biomass C and N
  • mowing
  • nitrogen addition
  • steppe keywords
  • 15N pool dilution techniques
  • nitrogen use efficiency
  • nitrogen deposition
  • microbial carbon use efficiency

Published Papers (1 paper)

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Research

14 pages, 27445 KiB  
Article
Plant C and N Pools Improved by N Addition Levels but Not Frequencies in a Typical Grassland of Northern China
by Jie Hao, Jianping Sun, Kuanhu Dong and Changhui Wang
Atmosphere 2022, 13(6), 851; https://doi.org/10.3390/atmos13060851 - 24 May 2022
Cited by 1 | Viewed by 1374
Abstract
The pools of plant community carbon (C) and nitrogen (N) are important sources of soil organic matter in terrestrial ecosystems and directly affect soil C and N cycling. A large amount of studies were manipulated with multiple N levels on soil C and [...] Read more.
The pools of plant community carbon (C) and nitrogen (N) are important sources of soil organic matter in terrestrial ecosystems and directly affect soil C and N cycling. A large amount of studies were manipulated with multiple N levels on soil C and N pools. However, how and whether the frequency of N addition can affect the plant C and N pools is still unclear. In order to comprehensively understand the N addition effects (including frequencies and levels) on C and N pools of the plant community, we executed a randomized complete block experiment with the addition of five levels of N, including 0, 2, 10, 20 and 50 g N m−2 yr−1 (designated as N-0, N-2, N-10, N-20 and N-50) and two N addition frequencies (twice a year vs. monthly, F2, F12) in August of 2008. After 5 years of treatment, the physical-chemical properties of the plants and soil were measured in 2013. The results indicated that with increasing N addition levels, the C and N pools of the plant community significantly increased, while N addition frequency had no significant effects. Moreover, significant interactions between N addition levels and the frequencies on the C and N pools of the plant community were also found in this typical grassland. Under different frequencies of N addition treatment, the plant community C and N pools showed different response patterns along with N addition levels in plants aboveground and belowground, respectively. Under different frequencies of N addition, the changes in the C and N pools of the plant community caused by N addition were regulated by different environmental factors. We highlight that long-term N deposition could affect the plant community C and N pools and would influence C and N cycling of terrestrial ecosystems based on global climate change in the future. Full article
(This article belongs to the Special Issue Global Changes and Nitrogen Cycling in Grasslands)
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