Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions

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

doi:10.1186/s40793-024-00662-6

Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions

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

Miljö- och marinbiologi

Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review

3 Citeringar (Scopus)

34 Nedladdningar (Pure)

Sammanfattning

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.

Originalspråk	Engelska
Artikelnummer	2
Sidor (från-till)	1-12
Antal sidor	12
Tidskrift	Environmental microbiome
Volym	20
Nummer	1
DOI	https://doi.org/10.1186/s40793-024-00662-6
Status	Publicerad - 11 jan. 2025
MoE-publikationstyp	A1 Tidskriftsartikel-refererad

Finansiering

The authors acknowledge support from the National Genomics Infrastructure in Genomics Application Stockholm funded by the Science for Life Laboratory, the Knut and Alice Wallenberg Foundation and the Swedish Research Council, and SNIC/Uppsala Multidisciplinary Center for Advanced Computational Science for assistance with massively parallel sequencing and access to the UPPMAX computational infrastructure. We are grateful to the crew and captain of the R/V Elisabeth Mann Borgese (EMB283), the research divers of the Leibniz Institute for Baltic Sea Research, the University of Rostock, Klaipeda University, and the Estonian Marine Institute, to Jonas Nilsson for assisting with sampling in Sweden, and to Adam Wo\u017Aniczka and Jarone Pinhassi for providing lab space. In addition, the Leibniz Institute for Baltic Sea Research Warnem\u00FCnde is conducting research in the new research field \u201CShallow Water Processes and Transitions to the Baltic Scale.\u201D Open Access funding enabled and organized by Projekt DEAL. This work resulted from the BiodivERsA project \u201CPathogenic Vibrio bacteria in the current and future Baltic Sea waters: mitigating the problem\u201D (BaltVib), funded by the European Union and the Estonian Research Council (grant T210076PKKH / P200028PKKH), the Federal Ministry of Education and Research, Germany (grant 16LC2022A), the Innovation Fund Denmark (grant 0156-00001B), the Research Council of Lithuania (grant S-BIODIVERSA-21-1), the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning FORMAS (grant 2020\u201302366), the Polish National Science Center (grant 2020/02/Y/NZ8/00009), and the Research Council of Finland (Academy of Finland; grant 344743). In addition, the Leibniz Institute for Baltic Sea Research Warnem\u00FCnde is conducting research in the new research field \u201CShallow Water Processes and Transitions to the Baltic Scale.\u201D

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10.1186/s40793-024-00662-6

s40793-024-00662-6Slutlig publicerad version, 2,54 MBLicens: CC BY

https://urn.fi/URN:NBN:fi-fe2025030114998

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Herlemann, D. P. R., Delgado, L. F., Riedinger, D. J., Fernández-Juárez, V., Andersson, A. F., Pansch, C., Riemann, L., Bengtsson, M. M., Gyraitė, G., Kataržytė, M., Kisand, V., Kube, S., Martin, G., Piwosz, K., Rakowski, M., & Labrenz, M. (2025). Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions. Environmental microbiome, 20(1), 1-12. Artikel 2. https://doi.org/10.1186/s40793-024-00662-6

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title = "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 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.",

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Herlemann, DPR, Delgado, LF, Riedinger, DJ, Fernández-Juárez, V, Andersson, AF, Pansch, C, Riemann, L, Bengtsson, MM, Gyraitė, G, Kataržytė, M, Kisand, V, Kube, S, Martin, G, Piwosz, K, Rakowski, M & Labrenz, M 2025, 'Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions', Environmental microbiome, vol. 20, nr. 1, 2, s. 1-12. https://doi.org/10.1186/s40793-024-00662-6

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T1 - Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions

AU - Herlemann, Daniel P R

AU - Delgado, Luis F

AU - Riedinger, David J

AU - Fernández-Juárez, Víctor

AU - Andersson, Anders F

AU - Pansch, Christian

AU - Riemann, Lasse

AU - Bengtsson, Mia M

AU - Gyraitė, Greta

AU - Kataržytė, Marija

AU - Kisand, Veljo

AU - Kube, Sandra

AU - Martin, Georg

AU - Piwosz, Kasia

AU - Rakowski, Marcin

AU - Labrenz, Matthias

PY - 2025/1/11

Y1 - 2025/1/11

N2 - 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.

AB - 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.

U2 - 10.1186/s40793-024-00662-6

DO - 10.1186/s40793-024-00662-6

M3 - Article

C2 - 39799374

SN - 2524-6372

VL - 20

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JO - Environmental microbiome

JF - Environmental microbiome

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ER -

Low impact of Zostera marina meadows on sediment and water microbiota under brackish conditions

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