Selection or random picking? Foraminiferal tests in Sabellaria alveolata (Linnaeus, 1767) bioconstructions

Bue, G Lo; Marchini, Agnese; Mancin, Nicoletta

doi:10.1016/j.marenvres.2022.105616

Cited by 5 publications

(1 citation statement)

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“…Therefore, grains better adapted to buoyancy due to their shape, size and composition are reasonably more abundant in its tubes. For example, Lo Bue et al [54] documented that the majority of the calcitic foraminiferal tests agglutinated in S. alveolata bioconstructions had spherical and biconvex morphologies, probably because they are more likely to persist in the water column for a long time, and hence be frequently available to the polychaete worm for capture. Heavy minerals have been observed to be very rare in sabellariid bioconstructions, even if abundant in the surrounding sea-floor sediment [55],…”

Section: A "Compositionally Proven" Selection Of Agglutinated Grainsmentioning

confidence: 99%

Fractal analysis highlights analogies in arenaceous tubes of Sabellaria alveolata (Metazoa, Polychaeta) and agglutinated tests of foraminifera (Protista)

et al. 2022

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Bioconstructions of Sabellaria alveolata (Polychaeta Sabellariidae) from southern Sicily (Central Mediterranean) were sampled and analysed through a multidisciplinary approach in order to unravel the construction pattern of arenaceous tubes and explore possible analogies existing between the worm tubes and the agglutinated tests of benthic foraminifera (Protista). Scanning Electron Microscopy and Energy Dispersive Spectroscopy analyses were carried out on entire tubes as well as sectioned ones. Results show that arenaceous tubes are built following a rigorous architectural framework, based on selection and methodical arrangement of the agglutinated grains, and show surprising analogies with the test microstructure previously observed in agglutinated foraminifera. The grain distribution detected in both model species bioconstructions was analysed using a fractal numerical model (Hausdorff fractal dimension). Collected data show that in both organisms the grains were distributed according to a fractal model, indicating that the evolutionary process may have led to finding the same optimal constructive strategy across organisms with an independent evolutionary history, notwithstanding different geometrical scales. Furthermore, in sectioned tubes we observed microplastic fragments agglutinated within the arenaceous wall and in the inter-tube area. This unexpected finding shows that marine animals can be affected by microplastic pollution not only in soft tissues, but also engineered hard structures, and suggests the problem is more pervasive than estimated so far.

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Section: A "Compositionally Proven" Selection Of Agglutinated Grainsmentioning

confidence: 99%

Fractal analysis highlights analogies in arenaceous tubes of Sabellaria alveolata (Metazoa, Polychaeta) and agglutinated tests of foraminifera (Protista)

et al. 2022

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Northward range expansions are not the full story: A case study of Sabellaria alveolata in Great Britain

Domy,

Stone,

Callaway

et al. 2023

Estuarine, Coastal and Shelf Science

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Assessing the effect of Amphistegina lobifera invasion on infralittoral benthic foraminiferal assemblages in the Sicily Channel (Central Mediterranean)

Guastella,

Evans,

Mancin

et al. 2023

Marine Environmental Research

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Selection or random picking? Foraminiferal tests in Sabellaria alveolata (Linnaeus, 1767) bioconstructions

Cited by 5 publications

References 50 publications

Fractal analysis highlights analogies in arenaceous tubes of Sabellaria alveolata (Metazoa, Polychaeta) and agglutinated tests of foraminifera (Protista)

Fractal analysis highlights analogies in arenaceous tubes of Sabellaria alveolata (Metazoa, Polychaeta) and agglutinated tests of foraminifera (Protista)

Northward range expansions are not the full story: A case study of Sabellaria alveolata in Great Britain

Assessing the effect of Amphistegina lobifera invasion on infralittoral benthic foraminiferal assemblages in the Sicily Channel (Central Mediterranean)

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