Seagrass biochemical response to transplantation into contaminated sediments: A mesocosm experiment

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abstract

Efforts to remediate and restore degraded ecosystems through Nature-based Solutions (NbS) have intensified during the United Nations Decade for Ecosystem Restoration (2021-2030). To evaluate the potential of seagrass transplantation for recovering historically contaminated areas, a mesocosm experiment was performed with the following objectives: 1) assess the suitability of the transplant method; 2) evaluate the tolerance of Zostera noltei to different concentrations of metal(loid)s in sediments; 3) clarify the tolerance mechanisms and measure oxidative stress levels and energy budget across different tissues and sampling times; and 4) investigate its potential as a Nature-based Solution. Results demonstrated that seagrass could tolerate various concentrations of metal(loid)s in sediments and activate mechanisms to reduce oxidative stress, without interfering with its growth and seasonal life cycle. The use ofZostera noltei as a NbS for remediating, restoring, and rehabilitating historically contaminated areas was validated and appears to be a promising approach.

keywords

COASTAL LAGOON RIA; POSIDONIA-OCEANICA; MERCURY; GLUTATHIONE; PHYTOREMEDIATION; TRANSPORT; MOBILITY; IMPACTS; AVEIRO; COPPER

subject category

Environmental Sciences & Ecology; Public, Environmental & Occupational Health

authors

Oliveira, VH; Fonte, BA; Sousa, AI; Marques, B; Matos, D; Henriques, B; Pereira, ME; Lopes, CB; Calado, R; Lillebo, AI; Figueira, E; Coelho, JP

our authors

foto Cláudia Batista Lopes

Cláudia Batista Lopes

Assistant Researcher

Groups

G1 - Porous Materials and Nanosystems

Projects

Collaboratory for Emerging Technologies, CoLab (EMERGING TECHNOLOGIES)

Seagrass beds as green and blue infrastructures for ecosystem restoration (RemediGrass)

CICECO - Aveiro Institute of Materials (UIDB/50011/2020)

CICECO - Aveiro Institute of Materials (UIDP/50011/2020)

Associated Laboratory CICECO-Aveiro Institute of Materials (LA/P/0006/2020)

acknowledgements

The authors thank Sr. Aldiro Pereira for his invaluable help in the field work.The authors acknowledge FCT - Foundation for Science and Technology for the PhD grant of Vitor Oliveira (reference 2020.04621.BD and DOI 10.54499/2020.04621.BD) and Diana Matos (reference 2020.07142.BD and DOI 10.54499/2020.07142.BD) and the research contracts of Joao P. Coelho (reference 2020.01778.CEECIND/CP1589/CT0011 and DOI 10.54499/2020.01778.CEECIND/CP1589/CT0011), Claudia B. Lopes (reference 2021.03739.CEECIND/CP1659/CT0025 and DOI 10.54499/2021.03739.CEECIND/CP1659/CT0025), and Ana I. Sousa (reference CEECIND/00962/2017/CP1459/CT0008 and DOI 10.54499/CEECIND/00962/2017/CP1459/CT0008).This work was partially funded by project RemediGrass (PTDC/CTA- AMB/29647/2017) funded by FEDER, through COMPETE2020- Programa Operacional Competitividade e Internacionalizacao (POCI), and by national funds (OE), through FCT/MCTES (Fundacao para a Ciencia e Tecnologia and Ministerio da Ciencia, Tecnologia e Ensino Superior). Thanks are also due to FCT/MCTES for the financial support to UID Centro de Estudos do Ambiente e Mar (CESAM) + LA/P/0094/2020, REQUIMTE (LA/P/0008/2020 DOI 10.54499/LA/P/0008/2020, UIDP/50006/2020 DOI10.54499/UIDP/50006/2020 and UIDB/50006/2020 DOI 10.54499/UIDB/50006/2020), and CICECO (UIDB/50011/2020, UIDP/50011/2020 and LA/P/0006/2020), through national funds.

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Publication Details

type
Journal Article
year
2025
journal
ENVIRONMENTAL RESEARCH
volume
274
article number
121353
publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
issn
0013-9351
digital object identifier
10.1016/j.envres.2025.121353
web of science article identifier
WOS:001446257500001

Journal Metrics (JCR 2019)

Journal Impact Factor
5.715
Journal Impact Factor (5 yrs)
5.735
category normalized journal percentile
90.489

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