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Constructing an offshore tsunami event stratigraphy for the Shetland Islands.
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RBINS Staff Publications 2024
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Consumption patterns and living conditions in 18th century rural nunnery: an interdisciplinary study on the latrine of Clairefontaine (south-eastern Belgium) with special attention to botanical remains
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The abbey of Clairefontaine, situated near Arlon in Belgium, was founded in the 13th century and destroyed during the French Revolution at the end of the 18th century. Although the abbey buildings were largely dismantled after the suppression of the community, archaeological research revealed the underground remains of the 18th century monastery. A latrine was discovered on the south side of the monastic complex and excavated for a detailed interdisciplinary study. Plenty of macro-botanical and faunal remains, glass and pottery have indeed been found throughout the profile; analyses of plant micro-remains were also performed. The major part of the archaeological remains dates between the second quarter and the end of the 18th century. Built over a narrow stream, the latrine underwent regular waste evacuation by the inflow of water. It is then supposed to give an insight into cabinet of the last generation of sisters present at Clairefontaine. A clear stratification is however observed with five different units delivering contrasted archaeobiological results. We will focus here on the archaeobotanical data, which will be discussed in detail and compared with archaeozoological and historical studies, in order to illustrate the lifestyle and the consumption in a rural nunnery from the 18th century.
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RBINS Staff Publications
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Contemporary population genetic differentiation in Melarhaphe neritoides (Gastropoda: Littorinidae), a long-lived planktonic-dispersing mollusc.
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Marine invertebrates with planktonic-dispersing larvae are assumed to be good dispersers over long distances. This high dispersal capacity implies a high gene flow between populations and a homogeneous population genetic structuring over wide geographic scales.The marine gastropod Melarhaphe neritoides has a long-lived planktonic larval dispersal stage and allozyme data suggest that it is genetically homogeneous over its whole European distribution area. In contrast, preliminary mtDNA sequence data uncovered a remarkable degree of genetic diversity and genetic structuring on smaller geographic scales.In order to explore this mtDNA diversity and structuring in M. neritoides we started to survey sequence variation at COI and 16S rDNA all over the Azores archipelago. These data reveal that the Azorean populations share very few haplotypes.Hence, it seems that M. neritoides with its long-lived planktonic larval stage nevertheless shows a strong local population genetic structuring and thus challenges the current paradigm that correlates modes of larval development with levels of genetic structuring. It also stresses the importance of the sampling intensity (both in terms of numbers of specimens and genetic markers) to avoid experimental biases when assessing genetic diversity
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RBINS Staff Publications
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Contemporary population genetic differentiation in Melarhaphe neritoides (Gastropoda: Littorinidae), a long-lived planktonic-dispersing mollusc
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Marine invertebrates with planktonic-dispersing larvae are assumed to be good dispersers over long distances. This high dispersal capacity implies a high gene flow between populations and a homogeneous population genetic structuring over wide geographic scales. The marine gastropod Melarhaphe neritoides has a long-lived planktonic larval dispersal stage and allozyme data suggest that it is genetically homogeneous over its whole European distribution area. By contrast, prelimi-nary mtDNA sequence data uncovered a remarkable degree of genetic diversity and genetic structuring on smaller geo-graphic scales. In order to explore this mtDNA diversity and structuring in M. neritoides, we started to survey sequence vari-ation at COI and 16S rDNA all over the Azores archipelago. These data reveal that the Azorean populations share very few haplotypes. Hence, it seems that M. neritoides with its long-lived planktonic larval stage nevertheless shows a strong local population genetic structuring and thus challenges the current paradigm that correlates modes of larval development with levels of genetic structuring. It also stresses the importance of the sampling intensity (both in terms of numbers of speci-mens and genetic markers) to avoid experimental biases when assessing genetic diversity. An
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RBINS Staff Publications
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Contexte géologique des sites mésolithiques de la Heid de Fer et de L’Ourlaine à Becco (Theux, Belgique)
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No RBINS Staff publications
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Contextualising skeletal analyses: combining burial context and paleodemographic data to study the social composition on St.Rombout's cemetery, Mechelen (10th-18th centuries AD)
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RBINS Staff Publications 2022
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Contrasting ant diversity and distribution between ground, understorey and canopy rainforest strata along Mt Wilhelm, Papua New Guinea.
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RBINS Staff Publications 2017
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Contrasting biogeographic patterns of two wide-spread Congolese fish species
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RBINS Staff Publications 2023 OA
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Contrasting saltmarsh vegetation impacts under increasing sea level rise rates
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The resilience of saltmarshes mainly depends on their ability to gain elevation by sediment accretion to keep pace with sea level rise. While vegetation is known to facilitate sediment accretion at the plant scale by trapping mineral sediments and producing organic matter, the long- term impact at the landscape scale is still poorly understood. Here we use the biogeomorphic model Demeter to reveal contrasting vegetation impacts on spatial patterns of sediment accretion under different sea level rise regimes. Under contemporary sea level rise rates (2-10 mm/yr), vegetation inhibits sediment transport from tidal channels to platform interiors and creates levee- depression patterns. Hence, intertidal platforms accrete slower with vegetation than without, but this trend attenuates with increasing sea level rise rate, as water depth increases, and vegetation drag decreases. Under extreme sea level rise rate (20 mm/yr), platform interiors don’t keep up and turn into open water, while vegetation allows to preserve intertidal levees. Our results help to better understand some basic biophysical mechanisms that will control the fate of coastal wetlands under global climate change.
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RBINS Staff Publications 2024
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Contrasting saltmarsh vegetation impacts under increasing sea level rise rates
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The resilience of saltmarshes mainly depends on their ability to gain elevation by sediment accretion to keep pace with sea level rise. While vegetation is known to facilitate sediment accretion at the plant scale by trapping mineral sediments and producing organic matter, the long-term impact at the landscape scale is still poorly understood. Here we use the biogeomorphic model Demeter to reveal contrasting vegetation impacts on spatial patterns of sediment accretion under different sea level rise regimes. Under contemporary sea level rise rates (2-10 mm/yr), vegetation inhibits sediment transport from tidal channels to platform interiors and creates levee-depression patterns. Hence, intertidal platforms accrete slower with vegetation than without, but this trend attenuates with increasing sea level rise rate, as water depth increases, and vegetation drag decreases. Under extreme sea level rise rate (20 mm/yr), platform interiors don’t keep up and turn into open water, while vegetation allows to preserve intertidal levees. Our results help to better understand some basic biophysical mechanisms that will control the fate of coastal wetlands under global climate change.
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RBINS Staff Publications 2024
