2023
DOI: 10.1098/rspb.2023.0193
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Sediment reworking of intertidal sediments by the benthic foraminifera Haynesina germanica : the importance of motion behaviour and densities

Abstract: This study aimed to describe for the first time the vertical motion behaviour of the intertidal foraminifera Haynesina germanica and its contribution to bioturbation. Its infaunal behaviour leads to the creation of a one-end tube within the first centimetre of sediment. In addition, a vertical trail following behaviour was described for the first time in foraminifera, which may be linked to the sustainability of the biogenic sedimentary structures. As a consequence, H. germa… Show more

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Cited by 3 publications
(3 citation statements)
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“…In our experiment, benthic foraminifera built up burrows down to 7 mm in the sediment. Although these burrows were not as deep as the centimetre-long burrows previously reported on miliolid and some deep-sea species (Severin et al, 1982;Groß, 2002;Heinz and Geslin, 2012), they were of the same order of magnitude as is known for the coastal species Ammonia beccarii (Green and Chandler, 1994) and the dominant species in our study Haynesina germanica (Deldicq et al, 2023). These shallow burrows confirm that the intertidal foraminiferal species used in the present experiment prefer oxygenated microhabitats (Bouchet et al, 2009;Cesbron et al, 2016).…”
Section: Foraminiferal Motion Activitysupporting
confidence: 85%
See 1 more Smart Citation
“…In our experiment, benthic foraminifera built up burrows down to 7 mm in the sediment. Although these burrows were not as deep as the centimetre-long burrows previously reported on miliolid and some deep-sea species (Severin et al, 1982;Groß, 2002;Heinz and Geslin, 2012), they were of the same order of magnitude as is known for the coastal species Ammonia beccarii (Green and Chandler, 1994) and the dominant species in our study Haynesina germanica (Deldicq et al, 2023). These shallow burrows confirm that the intertidal foraminiferal species used in the present experiment prefer oxygenated microhabitats (Bouchet et al, 2009;Cesbron et al, 2016).…”
Section: Foraminiferal Motion Activitysupporting
confidence: 85%
“…In spite of their role in benthic ecosystem functioning (Moodley et al, 2000;Geslin et al, 2011), the role of foraminifera as bioturbators remains a fairly untapped question, with only a few pioneer studies looking at how their displacement may affect the sediment reworking process (Severin et al, 1982;Hemleben and Kitazato, 1995;Groß, 2000). Noticeably, their ability to move in the sediment column affects the surface sediment cohesiveness (Cedhagen et al, 2021) and contributes to the horizontal and vertical transport of sediment particles (Groß, 2002;Deldicq et al, 2020Deldicq et al, , 2021Deldicq et al, , 2023. Consequently, foraminifera are assumed to affect sediment porosity and allow for "good sediment ventilation" (Hemleben and Kitazato, 1995;Groß, 2002).…”
Section: Introductionmentioning
confidence: 99%
“…In spite of their role in benthic ecosystem functioning (Moodley et al, 2000;Geslin et al, 2011), the role of foraminifera as bioturbators remains a fairly untapped question, with only a few pioneer studies looking at how their displacements may affect sediment reworking process (Severin et al, 1982;Hemleben and Kitazato, 1995;Groß, 2000). Noticeably, their ability to move in the sediment column affects the surface sediment cohesiveness (Cedhagen et al, 2021) and contributes to the horizontal and vertical transport of sediment particles (Groß, 2002;Deldicq et al, 2020Deldicq et al, , 2021Deldicq et al, , 2023. Consequently, foraminifera are assumed to affect sediment porosity and allow for "good sediment ventilation" (Hemleben and Kitazato, 1995;Groß, 2002).…”
mentioning
confidence: 99%