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Article Reference Species niches, not traits, determine abundance and occupancy patterns: A multi‐site synthesis
Located in Library / RBINS Staff Publications 2019
Article Reference Precision mapping of snail habitat provides a powerful indicator of human schistosomiasis transmission
Recently, the World Health Organization recognized that efforts to interrupt schistosomiasis transmission through mass drug administration have been ineffective in some regions; one of their new recommended strategies for global schistosomiasis control emphasizes targeting the freshwater snails that transmit schistosome parasites. We sought to identify robust indicators that would enable precision targeting of these snails. At the site of the world’s largest recorded schistosomiasis epidemic—the Lower Senegal River Basin in Senegal—intensive sampling revealed positive relationships between intermediate host snails (abundance, density, and prevalence) and human urogenital schistosomiasis reinfection (prevalence and intensity in schoolchildren after drug administration). However, we also found that snail distributions were so patchy in space and time that obtaining useful data required effort that exceeds what is feasible in standard monitoring and control campaigns. Instead, we identified several environmental proxies that were more effective than snail variables for predicting human infection: the area covered by suitable snail habitat (i.e., floating, nonemergent vegetation), the percent cover by suitable snail habitat, and size of the water contact area. Unlike snail surveys, which require hundreds of person-hours per site to conduct, habitat coverage and site area can be quickly estimated with drone or satellite imagery. This, in turn, makes possible large-scale, high-resolution estimation of human urogenital schistosomiasis risk to support targeting of both mass drug administration and snail control efforts.
Located in Library / RBINS Staff Publications 2019
Article Reference Karl Edward Havens (1957–2019)
Located in Library / RBINS Staff Publications 2019
Article Reference A juvenile skull from the early Palaeocene of China extends the appearance of crocodyloids in Asia back by 15–20 million years
The earliest Crocodylia from Asia have been represented so far only by alligatoroids and planocraniids. Although definitive crocodyloids are not known until the late Eocene, it has been hypothesized that Asiatosuchus-like basal crocodyloids originated in Asia before the late Palaeocene. In this paper, we describe a new fossil crocodyloid from the lower Palaeocene of Qianshan Basin, Anhui Province, China. The skull and lower jaw fragment exhibit several characteristics typical of juvenile crocodylians. They also display a combination of features not seen in any other taxon, warranting the erection of a new species and genus, Qianshanosuchus youngi gen. & sp. nov. Its affinities are tested in phylogenetic analyses based on two recent character matrices of Eusuchia. To assess the effect of juvenile characteristics on the outcome of the phylogenetic analyses, juvenile specimens of extant crocodylian taxa are analysed in the same way, showing that the effect of their ontogenetic stage on their placement in the tree is minimal. Our analyses point to a basal crocodyloid position for Q. youngi. With these findings, the presence of Crocodyloidea in Asia is extended to the early Palaeocene, 15–20 Myr earlier than formerly thought. Furthermore, our results corroborate previous hypotheses of a Palaeocene dispersal route of Asiatosuchus-like crocodyloids from Asia into Europe.
Located in Library / RBINS Staff Publications 2022 OA
Article Reference How different are the Kebara 2 ribs to modern humans?
This study analyses rib geometric parameters of individual ribs of 14 modern human subjects (7 males and 7 females) in comparison to the reconstructed ribs of the Kebara 2 skeleton which was taken from the reconstruction of a Neandertal thorax by Sawyer & Maley (2005). Three-dimensional (3D) models were segmented from CT scans and each rib vertex cloud was placed into a local coordinate system defined from the rib principal axes. Rib clouds were then analysed using best fitting ellipses of the external contours of the cross-section areas. The centroid of each ellipse was then used to measure the centroidal pathway between each slice (rib midline). Curvature of the ribs was measured from the mid-line of the ribs as the sum of angles between successive centroids in adjacent cross sections. Distinct common patterns were noted in all rib geometric parameters for modern humans. The Kebara 2 reconstructed ribs also followed the same patterns. This study demonstrated that there are differences between the sexes in rib geometrical parameters, with females showing smaller rib width, chord length and arc length, but greater curvature (rib torsion, rib axial curvature, rib anterior-posterior bending) than males. The Kebara 2 reconstructed ribs were within the modern human range for the majority of geometrical parameters.
Located in Library / RBINS Staff Publications 2017
Article Reference Do tidal sandwaves always regenerate?
Located in Library / RBINS Staff Publications 2022 OA
Article Reference Effects of pile driving sound on local movement of a free-ranging Atlantic cod in the Belgian North Sea.
Located in Library / RBINS Staff Publications 2022 OA
Article Reference Biomineral Flocculation of Kaolinite and Microalgae: Laboratory Experiments and Stochastic Modeling.
Located in Library / RBINS Staff Publications 2022 OA
Article Reference Practices, recipes and supply of a late medieval brass foundry: the refractory ceramics and the metals of an early 15th century AD metallurgical workshop in Brussels.
Abstract This article focuses on one of the rare workshops for the production of small copper-based alloy objects in the late Middle Ages documented by archaeology. Located in Brussels and dating from the early 15th century, the workshop produced a serial and varied production of dress accessories and other personal objects, mainly in brass, by casting or plastic deformation. These metal objects, most fashion accessories, had an important place in the medieval material culture. They are mass-produced and widely spread throughout Europe: the market is therefore very large and the techniques are adapted to satisfy this demand. This paper focuses on a workshop that adapted to this expansion while of those production structures are still largely unknown in the archaeology of northwestern Europe, the only one currently in the Low Countries that offers the possibility of knowing the practices and supplies. By identifying workshop practices, this contribution addresses, in particular, the properties and the supplies of the earth used, but also the different ranges of alloys and the evidence of the brass production by the cementation process, by combining several analysis methods (petrography using PLM and SEM, Energy Dispersive X-Ray Spectroscopy, PIXE, X-ray diffraction). This approach highlights different supplies, local and extra-local, as the distance was not an obstacle for the supply of high-quality crucible clay and zinc ore for brass production. These results associated with the written sources places the Brussels workshop in a wider network of circulation of raw materials and know-how related to their use. This also shows the interaction between techniques, materials and more broadly with the economy of the late Middle Ages that goes beyond the local sphere. Keywords: Brass foundry, Supplies, Workshop practices, Late medieval, Brussels, Low Countries
Located in Library / RBINS Staff Publications 2021
Article Reference Des meulières en bord de Meuse : exploitation et transport du Poudingue de Burnot autour de la conquête romaine.
Located in Library / RBINS Staff Publications 2019