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Aquatic and Sub-Aquatic Plant Species
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Aquatic and Sub-Aquatic Plant Species

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Ecology".

Deadline for manuscript submissions: closed (15 August 2021) | Viewed by 4658

Special Issue Editor

Dr. Gabrielle Thiebaut

E-Mail Website
Guest Editor
Laboratoire Ecosystemes, Biodiversité, Evolution (ECOBIO), UMR 6553, CNRS, University of Rennes 1, 35042 Rennes, France
Interests: aquatic plants; invasive species; functional traits; allelopathy; competition; herbivory; eutrophication; rising temperature

Special Issue Information

Dear Colleagues,

In many freshwaters, the aquatic plant community’s composition and structure is of key importance to ecosystem functions and biodiversity. Aquatic and sub-aquatic plants are food for herbivores/omnivores and provide a habitat to other organisms. Therefore, they play a crucial role in the functioning of aquatic ecosystems. With the ongoing global changes, biotic interactions may change and invasive aquatic macrophytes will be favored. It is important to identify potential shifts in native and invasive aquatic macrophytes in this context.

The responses of aquatic macrophytes to environmental changes are strongly related to their physiological and morphological adaptations to stress and disturbances. This Special Issue will include studies on ecophysiological responses of aquatic and subaquatic macrophytes in the context of global change. It welcomes contributions that advance our understanding of the impact of global changes on biotic interactions and determine the community-level consequences of these changes.

Dr. Gabrielle Thiebaut
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

  • global changes
  • adaptation
  • plasticity
  • dispersal patterns
  • distribution
  • biotic interactions
  • invasive species
  • impact on ecosystems
  • biodiversity threats
  • risk assessment

Published Papers (2 papers)

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Research

17 pages, 3112 KiB  
Article
Heterogeneous Impact of Water Warming on Exotic and Native Submerged and Emergent Plants in Outdoor Mesocosms
by Morgane B. Gillard, Jean-Pierre Caudal, Carole Deleu and Gabrielle Thiébaut
Plants 2021, 10(7), 1324; https://doi.org/10.3390/plants10071324 - 29 Jun 2021
Cited by 2 | Viewed by 2100
Abstract
Some aquatic plants present high biomass production with serious consequences on ecosystem functioning. Such mass development can be favored by environmental factors. Temperature increases are expected to modify individual species responses that could shape future communities. We explored the impact of rising water [...] Read more.
Some aquatic plants present high biomass production with serious consequences on ecosystem functioning. Such mass development can be favored by environmental factors. Temperature increases are expected to modify individual species responses that could shape future communities. We explored the impact of rising water temperature on the growth, phenology, and metabolism of six macrophytes belonging to two biogeographic origins (exotic, native) and two growth forms (submerged, emergent). From June to October, they were exposed to ambient temperatures and a 3 °C warming in outdoor mesocosms. Percent cover and canopy height were favored by warmer water for the exotic emergent Ludwigia hexapetala. Warming did not modify total final biomass for any of the species but led to a decrease in total soluble sugars for all, possibly indicating changes in carbon allocation. Three emergent species presented lower flavonol and anthocyanin contents under increased temperatures, suggesting lower investment in defense mechanisms and mitigation of the stress generated by autumn temperatures. Finally, the 3 °C warming extended and shortened flowering period for L. hexapetala and Myosotis scorpioides, respectively. The changes generated by increased temperature in outdoor conditions were heterogeneous and varied depending on species but not on species biogeographic origin or growth form. Results suggest that climate warming could favor the invasiveness of L. hexapetala and impact the structure and composition of aquatic plants communities. Full article
(This article belongs to the Special Issue Aquatic and Sub-Aquatic Plant Species)
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12 pages, 2069 KiB  
Article
Juncus Bulbosus Tissue Nutrient Concentrations and Stoichiometry in Oligotrophic Ecosystems: Variability with Seasons, Growth Forms, Organs and Habitats
by Therese F. Moe, Dag O. Hessen and Benoît O. L. Demars
Plants 2021, 10(3), 441; https://doi.org/10.3390/plants10030441 - 26 Feb 2021
Cited by 4 | Viewed by 1825
Abstract
Aquatic plant nutrient concentrations provide important information to characterise their role in nutrient retention and turnover in aquatic ecosystems. While large standing biomass of aquatic plants is typically found in nutrient-rich localities, it may also occur in oligotrophic ecosystems. Juncus bulbosus is able [...] Read more.
Aquatic plant nutrient concentrations provide important information to characterise their role in nutrient retention and turnover in aquatic ecosystems. While large standing biomass of aquatic plants is typically found in nutrient-rich localities, it may also occur in oligotrophic ecosystems. Juncus bulbosus is able to form massive stands even in very nutrient-dilute waters. Here we show that this may be achieved by tissues with very high carbon-to-nutrient ratios combined with perennial (slow) growth and a poor food source for grazers inferred from plant stoichiometry and tissue nutrient thresholds. We also show that the C, N, P and C:N:P stoichiometric ratios of Juncus bulbosus vary with the time of year, habitats (lakes versus rivers) and organs (roots versus shoots). We found no differences between growth forms (notably in P, inferred as the most limiting nutrient) corresponding to small and large plant stands. The mass development of J. bulbosus requires C, N and P, whatever the ecosystem (lake or river), and not just CO2 and NH4, as suggested in previous studies. Since macrophytes inhabiting oligotrophic aquatic ecosystems are dominated by isoetids (perennial plants with a high root/shoot ratio), attention should be paid to quantifying the role of roots in aquatic plant stoichiometry, nutrient turnover and nutrient retention. Full article
(This article belongs to the Special Issue Aquatic and Sub-Aquatic Plant Species)
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