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Plants
Special Issues
Plant-Environment Interactions: Responses to Climate Change and Global Challenges
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Plant-Environment Interactions: Responses to Climate Change and Global Challenges

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 1444

Special Issue Editors

Prof. Dr. Mohamed El Yamani

E-Mail Website
Guest Editor
Laboratory of Applied Sciences for the Environment and Sustainable Development, Essaouira School of Technology, Cadi Ayyad University, BP. 383, Essaouira, Morocco
Interests: environment; plant ecology; plant environmental stress physiology; environmental engineering
Dr. James A. Bunce

E-Mail Website
Guest Editor
Adaptive Cropping Systems Laboratory, Beltsville Agricultural Research Center, Beltsville, MD 20705, USA
Interests: photosynthesis; plant–water relations; climate change; elevated CO2; water stress; high-temperature stress; plant adaptation to environment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Many recent studies have forecasted that climate change and global warming could cause the extinction of up 50% of the planet's plant species by the end of the century. Such a scenario would certainly have disastrous impacts on humanity as a whole, considering the fundamental role that plants play in the functioning of life on Earth. Indeed, plants greatly affect the overall richness of biodiversity and ecosystems, as they shape natural habitats and define the physical environments in which all other species exist.

Plant–environment interactions cover dynamic exchanges occurring between plants and their physical, chemical and biological environment, including biotic and abiotic elements and other factors related to climatic conditions, environmental stresses, biogeochemical cycles, human influences and evolutionary adaptations. Nevertheless, climate change (changes in temperature, precipitation and atmospheric composition, alongside other variables) exerts significant and complex effects on such interactions. Changes in the conditions of plant growth, development and survival are, therefore, expected, as are later shifts in the behavior and allocation of plant species and ecosystems. This Special Issue will focus on exploring the responses of plant species, especially plant–environment interactions, to climate change factors and global challenges, which could help researchers to develop appropriate management strategies.

Prof. Dr. Mohamed El Yamani
Dr. James A. Bunce
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. 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.

Published Papers (1 paper)

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Research

17 pages, 3744 KiB  
Article
Salt Water Exposure Exacerbates the Negative Response of Phragmites australis Haplotypes to Sea-Level Rise
by Austin Lynn and Tracy Elsey-Quirk
Plants 2024, 13(6), 906; https://doi.org/10.3390/plants13060906 - 21 Mar 2024
Viewed by 752
Abstract
The response of coastal wetlands to sea-level rise (SLR) largely depends on the tolerance of individual plant species to inundation stress and, in brackish and freshwater wetlands, exposure to higher salinities. Phragmites australis is a cosmopolitan wetland reed that grows in saline to [...] Read more.
The response of coastal wetlands to sea-level rise (SLR) largely depends on the tolerance of individual plant species to inundation stress and, in brackish and freshwater wetlands, exposure to higher salinities. Phragmites australis is a cosmopolitan wetland reed that grows in saline to freshwater marshes. P. australis has many genetically distinct haplotypes, some of which are invasive and the focus of considerable research and management. However, the relative response of P. australis haplotypes to SLR is not well known, despite the importance of predicting future distribution changes and understanding its role in marsh response and resilience to SLR. Here, we use a marsh organ experiment to test how factors associated with sea level rise—inundation and seawater exposure—affect the porewater chemistry and growth response of three P. australis haplotypes along the northern Gulf of Mexico coast. We planted three P. australis lineages (Delta, European, and Gulf) into marsh organs at five different elevations in channels at two locations, representing a low (Mississippi River Birdsfoot delta; 0–13 ppt) and high exposure to salinity (Mermentau basin; 6–18 ppt) for two growing seasons. Haplotypes responded differently to flooding and site conditions; the Delta haplotype was more resilient to high salinity, while the Gulf type was less susceptible to flood stress in the freshwater site. Survivorship across haplotypes after two growing seasons was 42% lower at the brackish site than at the freshwater site, associated with high salinity and sulfide concentrations. Flooding greater than 19% of the time led to lower survival across both sites linked to high concentrations of acetic acid in the porewater. Increased flood duration was negatively correlated with live aboveground biomass in the high-salinity site (χ2 = 10.37, p = 0.001), while no such relationship was detected in the low-salinity site, indicating that flood tolerance is greater under freshwater conditions. These results show that the vulnerability of all haplotypes of P. australis to rising sea levels depends on exposure to saline water and that a combination of flooding and salinity may help control invasive haplotypes. Full article
(This article belongs to the Special Issue Plant-Environment Interactions: Responses to Climate Change and Global Challenges)
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