Vítor H Oliveira, B A Fonte, A I Sousa, D Crespo, J M Dias, N Vaz, D Matos, E Figueira, M E Pereira, A I Lillebø, M Dolbeth, J P Coelho
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Transplantation of seagrass (Zostera noltei) as a potential nature-based solution for the restoration of historically contaminated mudflats.
Within the UN Decade on Ecosystem Restoration (2021-2030) framework, a Nature-based Solution (NbS) using Zostera noltei transplants was tested to restore a historically contaminated intertidal area. In-situ transplantation relied on patches of seagrass and sediment from a Donor meadow and its evolution was monitored for two years. The evaluation of the transplant success encompassed the seagrass coverage area, seagrass biomass, tissue mercury (Hg) accumulation, and photosynthetic efficiency. The transplant was successful, with gradual increases in the coverage area in the target area indicating adaptation to local conditions already after the first year. Although some significant differences were observed in biomass and tissue Hg concentration over time, the similar translocation factors suggest the plant has effective defensive mechanisms to prevent accumulation and cellular damage. Additionally, the normal seasonal pattern of photosynthetic parameters indicates that contamination is not impeding its photosynthetic performance and growth, suggesting this NbS as a viable restoration strategy.
期刊介绍:
The Science of the Total Environment is an international journal dedicated to scientific research on the environment and its interaction with humanity. It covers a wide range of disciplines and seeks to publish innovative, hypothesis-driven, and impactful research that explores the entire environment, including the atmosphere, lithosphere, hydrosphere, biosphere, and anthroposphere.
The journal's updated Aims & Scope emphasizes the importance of interdisciplinary environmental research with broad impact. Priority is given to studies that advance fundamental understanding and explore the interconnectedness of multiple environmental spheres. Field studies are preferred, while laboratory experiments must demonstrate significant methodological advancements or mechanistic insights with direct relevance to the environment.