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Early Eocene fish otoliths from the eastern and southern USA.
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RBINS Staff Publications 2024
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Early Evolution and Paleobiogeographic Distribution of Pipimorphs Reflects the Opening of the South Atlantic
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Pipimorpha and its crown-group Pipidae possess one of the most extensive fossil records among anurans, which extends into the Early Cretaceous in both Laurasia and Gondwana. This is probably linked to the highly aquatic lifestyle of pipids, which is probably also characteristic of early pipimorphs. In South America, pipids are currently represented only by Pipa, but the fossil record documents an evolutionary radiation of Shelaniinae (a taxon endemic to South America) in the Cretaceous; shelaniines seem to have become extinct in the Eocene. Fewer pipimorph fossils are known from Africa. Our recent redescription of the mid-Late Cretaceous (Coniacian–Santonian) taxon Pachycentrata taqueti from In Becetèn (Niger) partly fills this gap. Our new phylogenetic analysis of Cretaceous and Paleogene pipimorphs shows that this taxon diversified in a West Gondwanan block until about the mid-Cretaceous, but after that, pipimorphs show two distinct evolutionary radiations, one in South America (Pipinae), and the other (Xenopodinae) in Africa. This pattern appears to reflect the breakup of West Gondwana simultaneously with the opening of the South Atlantic during the Cretaceous. This probable vicariant pattern yields slightly different ages for the South Atlantic opening depending on the accepted topology. The tree constrained to reflect the topology of extant taxa supported by molecular data shows a last dispersal between both continents before the Cenomanian (more than 100 Ma), whereas the unconstrained topology that reflects only morphological data is compatible with a more recent last faunal dispersal among pipids. Under this unconstrained topology, the fossil record is too poor to give a reliable minimal age for this last dispersal, but molecular dating analyses suggest that this event harks back to the Mesozoic.
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RBINS Staff Publications 2024 OA
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Early Quaternary channel incisions at the base of the Merksplas Formation at the southern margin of the North Sea Basin
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RBINS Staff Publications 2025
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Echoes in the sediment: reconstructing the Senne through molluscs and caddisflies
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The Senne River has shaped the landscape and development of Brussels for centuries. However, its course and environmental conditions have been continuously altered by human interventions. This study compares freshwater mollusc and caddisfly (Trichoptera) remains from two archaeological sites, one Gallo-Roman (1st-3rd century AD) and one medieval (10th-16th century AD), to reconstruct changes in river flow, sedimentation, and water quality over time. At the Gallo-Roman site, a previously unknown river meander of the Senne river was uncovered, initially characterized by fast-flowing water, as indicated by coarse sand and gravel deposits. Over time, sedimentation patterns show a shift to finer materials, such as silt and organic muds, suggesting a transition to slower-moving or stagnant water before the meander was ultimately cut off. The site is located within a rural environment. In contrast, the medieval site, located within the historic centre of Brussels, represents a heavily modified urban river environment. Mollusc remains indicate predominantly slow-moving water, with occasional stagnant conditions. The discovery of caddisfly larvae cases, including the confirmed presence of Brachycentrus subnubilus, suggests that despite extensive waste dumping, parts of the medieval Senne still maintained sufficient water quality for oxygen-dependent species. By combining data from these two sites, this study attempts to document the Senne’s hydrology, sedimentation, and aquatic ecosystems in a rural and urban environment. The findings describe the river’s natural environment alongside increasing human impact, from early riverbank modifications in Gallo-Roman times to the canalization and pollution of the medieval period.
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RBINS Staff Publications 2025
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Effects and management implications of emerging marine renewable energy technologies
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Offshore renewable energy technologies are being tested and deployed around the world to mitigate climate change and to bring clean sustainable energy to remote locations. The trend is being led by the development of offshore wind, with energy from waves, tides, and large run of the river turbines also increasing. However, there are additional marine renewable energy technologies that will help to fill in gaps of availability and location for power production. These emerging technologies are generally less well known, including ocean thermal energy conversion, seawater air conditioning, power from salinity gradients, and floating solar photovoltaics (floatovoltaics). Coupled with each of these power production systems is the need for energy systems at sea to aid in storage and transport of the energy. There is little known about the potential environmental effects of these emerging technologies or undersea energy storage, or how they might best be managed. This paper describes the new technologies and explores the potential effects on the marine environment and wildlife and recommends approaches to their management.
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RBINS Staff Publications 2025
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Effects of electromagnetic fields from an alternating current power cable on the embryogenesis of three benthic associated marine species
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The global expansion in offshore renewable energy, primarily through offshore wind, is associated with the proliferation of subsea power cables (SPCs) throughout marine and coastal benthic environments. The transmission of electrical power through these SPCs will introduce electromagnetic fields (EMFs) into the seabed and the adjacent water column, which raises questions regarding the potential impact on benthic fauna, particularly during critical developmental early-life stages for which research considering the effects of both the electric and magnetic components of SPC EMFs is lacking. We conducted an experiment on three benthic egg-laying species, – the elasmobranch Scyliorhinus canicula, the cephalopod Loligo vulgaris, and the cephalopod Sepia officinalis – found in areas under consideration for the routing of SPCs. We exposed the embryos to realistic EMF levels (magnetic field 4–6 μT) recreated in the laboratory using an AC power cable set-up that simulated the EMF conditions, and examined the morphological, physiological, and behavioural responses. Our findings indicate subtle responses to EMF exposure in S. canicula and L. vulgaris with faster growth rates and morphometric differences, but no responses in S. officinalis. Our results highlight the value of a multiple end point approach to determine the potential influence of chronic exposure to EMFs on embryogenesis in benthic fauna and provide a baseline for future studies to build upon. Although our study cannot extrapolate the consequences of individuallevel effects to population-level impacts, it does underscore the necessity of realistic and longer-term studies to assess the potential consequences of EMFs to marine fauna.
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RBINS Staff Publications 2025
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Elucidating the history of the European crow hybrid zone with paleogenomics. Preliminary Program of the Society for Molecular Biology and Evolution 2024
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RBINS Staff Publications 2024
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Environmental and climatic inferences for Marine Isotope Stage 2 of southern Belgium (Meuse valley, Namur Province) based on rodent assemblages
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RBINS Staff Publications 2024
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Erratum to: redescription of the Upper Jurassic Aeshna antiqua Vander Linden, 1827 in the anisopteran family Protolindeniidae (Odonata)
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RBINS Staff Publications 2025
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Estimates of life-history and growth parameters of exploited fish species in lakes Edward and George: Implications on exploitation status, population dynamics, management, and conservation of native species
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RBINS Staff Publications 2024
