Journal of Experimental Marine Biology and Ecology
Research articleSediment bioturbation by the echiuran worm Maxmuelleria lankesteri (Herdman) and its consequences for radionuclide dispersal in Irish Sea sediments
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Cited by (31)
Modelling marine trophic transfer of radiocarbon (<sup>14</sup>C) from a nuclear facility
2018, Environmental Modelling and SoftwareCitation Excerpt :The model did not capture this high infaunal macrobenthos 14C activity relative to most other groups. The observed infaunal macrobenthos activity comes from green spoon worm (Maxmuelleria lankesteri) tissue and this species is known to have an important role in the redistribution of other Sellafield-derived radionuclides in bottom sediments (Hughes et al., 1996; Kershaw et al., 1983, 1984, 1999). Its inclusion as a separate species in the model was considered, however, this was deemed to be challenging due to limited ecological data.
Ecosystem uptake and transfer of Sellafield-derived radiocarbon (<sup>14</sup>C). Part 1. The Irish Sea
2017, Marine Pollution BulletinCitation Excerpt :Crabs are predominantly omnivorous predator/ scavengers and deposit-feeders, whereas starfish prey upon a wide range of living organisms and carrion that include molluscs, polychaete worms and other echinoderms, small crustaceans, anemones and carrion, which may reflect their higher 14C activity. The spoon-worm (Maxmuelleria lankesteri) was analysed separately for 14C, as this species forms a major component of the burrowing megafauna of the north-east Irish Sea and is postulated to significantly affect the distribution of radionuclides in bottom sediments (Hughes et al., 1996a, 1996b, Kershaw et al., 1983, 1984, 1999). The spoon-worm is found at high densities in the Irish Sea (up to 35 m− 2) (Williams et al., 1981, Swift, 1993) and is a sedentary deposit feeder of sediment which it obtains by extending its proboscis from the burrow to graze the accessible sediment surface (Hughes et al., 1993, 1994).
Record of anthropogenic impact on the Western Irish Sea mud belt
2015, AnthropoceneCitation Excerpt :Therefore, the most prominent agent of bioturbation in the WISMB is most likely Nephrops norvegicus. These organisms tend to form simple burrows that are usually 20–30 cm deep (Hughes et al., 1996). CT X-ray scans for this study suggest that bioturbation is indeed present in core profiles.
The influence of microbial mats on the formation of sand volcanoes and mounds in the red sea coastal plain, south Jeddah, Saudi Arabia
2014, Sedimentary GeologyCitation Excerpt :They argued that sand volcanoes form as isolated features resulted from individual extrusion, whereas extruded sand sheets result from coalescence of numerous sand volcanoes that resulted from coeval extrusions. Positive cone-like features on a coast may be formed by variable mechanisms such as earthquake-triggered venting (Martin and Bourgeois, 2012; Løseth et al., 2013; Ross et al., 2013), feeding and burrowing activity (e.g., volcano-shaped mounds; Suchanek, 1983; Hughes et al., 1996; Porada et al., 2007), build-up and trapping of escaped photosynthetic or decay gases (e.g., gas domes; Heubeck, 2009; Noffke, 2010; Lan and Chen, 2012; Lan et al., 2013), upward expulsion of atmospheric gas pressure in supratidal sediments by flood tidal water (e.g., sand volcanoes; Dornbos et al., 2007), tectonism or escape of hydrocarbon gases from deep stratigraphic horizons (e.g., mud or sand volcanoes; Berner et al., 2009; Giresse et al., 2010), adhesion of dry sand grains to a wet sandy surface (e.g., adhesion warts, Olsen et al., 1989). Field examination of the extensive coastal area from Rabigh (180 km north of Jeddah) to Al-Lith (120 km south of Jeddah) indicates the occurrence of several areas with cone-like features associated with, or near to microbial mats.
Evolution of Crustaceans at the edge of the end-Permian crisis: Ichnonetwork analysis of the fluvial succession of Nurra (Permian-Triassic, Sardinia, Italy)
2014, Palaeogeography, Palaeoclimatology, PalaeoecologyOyster (Ostrea edulis) extirpation and ecosystem transformation in the Firth of Forth, Scotland
2013, Journal for Nature ConservationCitation Excerpt :Whilst mixing of sediments through physical processes (i.e. storms, fishing) may affect shell remains by moving them vertically through the sediment, another important process is the mixing of sediments by live bivalves, annelids and other invertebrates (Kidwell & Bosence 1991). Bioturbation processes have been shown to affect sediment chronologies in the Irish Sea and off the west coast of Scotland (Hughes et al. 1996), influencing the distribution of radionuclides over the upper few tens of centimetres of sediment (Kershaw et al. 1983) and at deeper depths (Kershaw 1986). Thoughout the inner Firth of Forth, infaunal communities were found to be dominated by burrowing bivalves such as Venus and Abra spp. (Elliott & Kingston 1987), both of which can burrow to depths of 40 cm (Allen 1983).