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Occurrence of the nonindigenous clams Rangia cuneata in the macrozoobenthos community in the coastal waters of the Pomeranian Bay (southern Baltic Sea)

Diana Dziaduch

Diana Dziaduch

Maritime Institute, Gdynia Maritime UniversityGdańsk, Poland
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Dziaduch, Diana
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Anna Tarała

Anna Tarała

Maritime Institute, Gdynia Maritime UniversityGdańsk, Poland
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Tarała, Anna
  
30 jun 2025
Occurrence of the nonindigenous clams Rangia cuneata in the macrozoobenthos community in the coastal waters of the Pomeranian Bay (southern Baltic Sea)'s Cover Image
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Categoría del artículo: Original research paper
Publicado en línea: 30 jun 2025
Páginas: 124 - 137
Recibido: 29 may 2025
Aceptado: 17 jun 2025
DOI: https://doi.org/10.26881/oahs-2025.1.11
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© 2025 Diana Dziaduch et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Map of the study area in the coastal waters of the Pomeranian Bay with indication of places of occurrence of Rangia cuneata in the macrozoobenthos community.
Map of the study area in the coastal waters of the Pomeranian Bay with indication of places of occurrence of Rangia cuneata in the macrozoobenthos community.

Figure 2

Dominance structure in the total abundance of macrozoobenthos in the coastal zone of the Pomeranian Bay.
Dominance structure in the total abundance of macrozoobenthos in the coastal zone of the Pomeranian Bay.

Figure 3

Dominance structure in the total biomass of macrozoobenthos in the coastal zone of the Pomeranian Bay.
Dominance structure in the total biomass of macrozoobenthos in the coastal zone of the Pomeranian Bay.

Figure 4

The contribution in the abundance (A) and biomass (B) of each bivalve species.
The contribution in the abundance (A) and biomass (B) of each bivalve species.

Figure 5

Nonmetric MDS plot of the macrozoobenthos samples in the coastal waters of the Pomeranian Bay. Black ovals show 60% similarity, and different colors of symbols indicate the presence of Rangia cuneata.
Nonmetric MDS plot of the macrozoobenthos samples in the coastal waters of the Pomeranian Bay. Black ovals show 60% similarity, and different colors of symbols indicate the presence of Rangia cuneata.

Figure 6

Distance-based redundancy analysis (dbRDA) plot based on macrozoobenthos taxonomic composition and environmental variables.
Distance-based redundancy analysis (dbRDA) plot based on macrozoobenthos taxonomic composition and environmental variables.

Best result for each number of variables_

No. of variable Correlation Selections
1 0.603 Temperature
2 0.725 Temperature, O2
3 0.722 Temperature, O2, pH
4 0.698 Depth, temperature, O2, pH
5 0.651 Depth, temperature, salinity, O2, pH

Characteristics of the stations with Rangia cuneata identification in the macrozoobenthos community

Station S_002 S_003 S_011
Geographical coordinates 14° 14′57 648″ E 53° 55′59064″ N 14° 15′29 124″ E 53° 57′23820″ N 14° 35′08 136″ E 53° 59′21534″ N
Depth [m] 6.9 10.1 6.3
Temperature [°C] 14.589 14.847 14.589
Salinity [PSU] 7.345 7.331 7.345
Dissolved oxygen content [mg · L−1] 10.54 10.53 10.54
pH 8.36 8.24 8.36
Bottom substrate Fine sand Fine sand with medium sand Medium sand with fine sand
Abundance [ind. · m−2]/biomass [g · m−2] of R. cuneata 5280/51.771 10/115.667 80/0.838
Average length [mm]/biomass [g · m−2] of individual of R. cuneata ≤11/0.1 333/11.57 ≤11/0.1
Dominant in abundance/biomass at the station Peringia ulvae, Rangia cuneata/Mya arenaria, Rangia cuneata Pygospio elegans, Marenzelleria spp./Mya arenaria Peringia ulvae/Mytilus trossulus, Cerastoderma glaucum

Invasion history of the clam Rangia cuneata in the Baltic Sea_

Year Site in the Baltic Sea Root Country Reference
2010 The eastern part of Vistula Lagoon; Port of Kaliningrad Russia Rudinskaya and Gusev (2012), Ezhova (2012)
2011 The western part of the Vistula Lagoon Poland Warzocha and Drgas (2013), Janas et al. (2014), Kornijów et al. (2018)
2013 Curonian Lagoon Lithuania Solovjova (2014)
Gulf of Riga Estonia Solovjova (2014), Solovjova et al. (2019)
Schellbruch Lagoon Germany Wiese et al. (2016)
2014 Vistula estuary Poland Janas et al. (2014)
Pärnu Bay (first dead shells) Estonia Möller and Kotta (2017)
2015 The channel connecting the North Sea and the Baltic Sea with an entry in Brunsbüttel and around Lübeck Germany Wiese et al. (2016)
2016 Swedish Baltic fjord–Svensksundsviken Bay Sweden von Proschwitz (2018)
Pärnu Bay (first living individuals) Estonia Möller and Kotta (2017)
2018 Pomeranian Bay–beach of Świnoujście Poland Panicz et al. (2022)
2019 Szczecin Lagoon (Odra estuary) Poland Czerniejewski et al. (2023)
2021 Ustka Bay Poland Kurek and Wiatrowska (2023)
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