Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions
Abstract Background Zostera marina is an important ecosystem engineer influencing shallow water environments and possibly shaping the microbiota in surrounding sediments and water. Z. marina is typically found in marine systems, but it can also proliferate under brackish conditions. Changes in salin...
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BMC
2025-01-01
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| Series: | Environmental Microbiome |
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| Online Access: | https://doi.org/10.1186/s40793-024-00662-6 |
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| author | Daniel P. R. Herlemann Luis F. Delgado David J. Riedinger Víctor Fernández-Juárez Anders F. Andersson Christian Pansch Lasse Riemann Mia M. Bengtsson Greta Gyraitė Marija Kataržytė Veljo Kisand Sandra Kube Georg Martin Kasia Piwosz Marcin Rakowski Matthias Labrenz |
| author_facet | Daniel P. R. Herlemann Luis F. Delgado David J. Riedinger Víctor Fernández-Juárez Anders F. Andersson Christian Pansch Lasse Riemann Mia M. Bengtsson Greta Gyraitė Marija Kataržytė Veljo Kisand Sandra Kube Georg Martin Kasia Piwosz Marcin Rakowski Matthias Labrenz |
| author_sort | Daniel P. R. Herlemann |
| collection | DOAJ |
| description | Abstract Background Zostera marina is an important ecosystem engineer influencing shallow water environments and possibly shaping the microbiota in surrounding sediments and water. Z. marina is typically found in marine systems, but it can also proliferate under brackish conditions. Changes in salinity generally have a strong impact on the biota, especially at the salty divide between salinity 6 and 9. To better understand the impact of the salty divide on the interaction between Z. marina and the surrounding sediment and water microbiota, we investigated the effects of Z. marina meadows on the surrounding microbiota across a salinity range of 6–15 in the Baltic Sea during the summer using 16S and 18S rRNA gene amplicon sequencing. Results Salinity was the most important factor for structuring the microbiota within both water and sediment. The presence of Z. marina affected the composition of the bacterial and eukaryotic community and bacterial alpha diversity in the sediment. However, this effect was confined to alpha-mesohaline conditions (salinity 9–15). The impact of Z. marina below salinity 9 on water and sediment microbiota was insignificant. Conclusions Increasing salinity was associated with a longer leaf length of Z. marina, causing an increased canopy height, which affects the sediment microbiota through reduced water velocity. Hence, we propose that the canopy effect may be the major predictor explaining Z. marina’s interactions with the surrounding microbiota at salinity 9–15. These findings emphasize the importance of the physical effects of Z. marina meadow ecosystem services and have important implications for Z. marina management under brackish conditions in a changing climate. |
| format | Article |
| id | doaj-art-c50f6234672046d5a4d887cb17252025 |
| institution | Kabale University |
| issn | 2524-6372 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | BMC |
| record_format | Article |
| series | Environmental Microbiome |
| spelling | doaj-art-c50f6234672046d5a4d887cb172520252025-01-12T12:40:26ZengBMCEnvironmental Microbiome2524-63722025-01-0120111210.1186/s40793-024-00662-6Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditionsDaniel P. R. Herlemann0Luis F. Delgado1David J. Riedinger2Víctor Fernández-Juárez3Anders F. Andersson4Christian Pansch5Lasse Riemann6Mia M. Bengtsson7Greta Gyraitė8Marija Kataržytė9Veljo Kisand10Sandra Kube11Georg Martin12Kasia Piwosz13Marcin Rakowski14Matthias Labrenz15Biological Oceanography, Leibniz Institute for Baltic Sea Research Warnemünde (IOW)Science for Life Laboratory, School of Biotechnology, Division of Gene Technology, KTH Royal Institute of TechnologyBiological Oceanography, Leibniz Institute for Baltic Sea Research Warnemünde (IOW)Department of Biology, University of CopenhagenScience for Life Laboratory, School of Biotechnology, Division of Gene Technology, KTH Royal Institute of TechnologyFaculty of Science and Engineering, Environmental and Marine Biology, Åbo Akademi UniversityDepartment of Biology, University of CopenhagenInstitute of Microbiology, University of GreifswaldMarine Research Institute, Klaipėda UniversityMarine Research Institute, Klaipėda UniversityCenter for Limnology, Estonian University of Life SciencesBiological Oceanography, Leibniz Institute for Baltic Sea Research Warnemünde (IOW)Estonian Marine Institute, University of TartuNational Marine Fisheries Research InstituteNational Marine Fisheries Research InstituteBiological Oceanography, Leibniz Institute for Baltic Sea Research Warnemünde (IOW)Abstract Background Zostera marina is an important ecosystem engineer influencing shallow water environments and possibly shaping the microbiota in surrounding sediments and water. Z. marina is typically found in marine systems, but it can also proliferate under brackish conditions. Changes in salinity generally have a strong impact on the biota, especially at the salty divide between salinity 6 and 9. To better understand the impact of the salty divide on the interaction between Z. marina and the surrounding sediment and water microbiota, we investigated the effects of Z. marina meadows on the surrounding microbiota across a salinity range of 6–15 in the Baltic Sea during the summer using 16S and 18S rRNA gene amplicon sequencing. Results Salinity was the most important factor for structuring the microbiota within both water and sediment. The presence of Z. marina affected the composition of the bacterial and eukaryotic community and bacterial alpha diversity in the sediment. However, this effect was confined to alpha-mesohaline conditions (salinity 9–15). The impact of Z. marina below salinity 9 on water and sediment microbiota was insignificant. Conclusions Increasing salinity was associated with a longer leaf length of Z. marina, causing an increased canopy height, which affects the sediment microbiota through reduced water velocity. Hence, we propose that the canopy effect may be the major predictor explaining Z. marina’s interactions with the surrounding microbiota at salinity 9–15. These findings emphasize the importance of the physical effects of Z. marina meadow ecosystem services and have important implications for Z. marina management under brackish conditions in a changing climate.https://doi.org/10.1186/s40793-024-00662-6Coastal zoneSalinityHorohalinicumBaltic SeaBacterial communityMicroeukaryotic community |
| spellingShingle | Daniel P. R. Herlemann Luis F. Delgado David J. Riedinger Víctor Fernández-Juárez Anders F. Andersson Christian Pansch Lasse Riemann Mia M. Bengtsson Greta Gyraitė Marija Kataržytė Veljo Kisand Sandra Kube Georg Martin Kasia Piwosz Marcin Rakowski Matthias Labrenz Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions Environmental Microbiome Coastal zone Salinity Horohalinicum Baltic Sea Bacterial community Microeukaryotic community |
| title | Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions |
| title_full | Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions |
| title_fullStr | Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions |
| title_full_unstemmed | Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions |
| title_short | Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions |
| title_sort | low impact of zostera marina meadows on sediment and water microbiota under brackish conditions |
| topic | Coastal zone Salinity Horohalinicum Baltic Sea Bacterial community Microeukaryotic community |
| url | https://doi.org/10.1186/s40793-024-00662-6 |
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