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Inproceedings Reference RESPONSE project: Reactive transport of point source contamination in soils and groundwater
The RESPONSE project aims at improving the use of coupled reactive transport models to simulate the fate of inorganic and organic contaminants within environments, characterised by a fluctuating shallow groundwater table – inducing strong hydraulic, physico-chemical and redox gradients. Three case studies were selected based on the presence of inorganic and/or organic contamination. Two sites are cemeteries where groundwater pollution by herbicides (2,6-dichlorobenzamide (BAM) – a persistent metabolite of herbicide dichlobenil) was detected. Top soil and groundwater samples were collected and the BAM degradation and mineralization potential of soil microbiota is tested in the laboratory. It is hypothesized that BAM degradation is strongly affected by DOC quality (measured through specific UV absorbance) and quantity. RESPONSE will investigate whether predictions of dichlobenil and BAM migration in soils and groundwater can be improved by taking into account DOC quality/quantity.The third site is a former municipal landfill, where redox zonation and contamination by As is observed. This site is primarily used to study the level of hydrogeological and geochemical detail needed to predict the migration of pollutants in a satisfactory way. This hypothesis is tested by comparing predictions using site specific measured parameters (soil and subsoil hydraulic parameters, in-situ groundwater flow characterization, etc.) with predictions using parameters inferred from existing hydrological/ geochemical data available in data bases. Moreover, an integrated tool is developed to simulate water flow and reactive solute transport in the subsurface focusing on the water table interface. This is achieved by loosely coupling the existing HYDRUS, MODFLOW, MT3D-USGS and PHREEQC codes at the lowest level and adding functionalities for the transfer of solute concentrations. The HYDRUS package for MODFLOW (Seo et al., 2007) has been updated and PHREEQC functionalities are coupled to both the unsaturated zone (based on HPx software; Jacques et al., 2018) and the saturated zone.
Located in Library / RBINS Staff Publications 2019
Article Reference Living species of the genera Chicomurex Arakawa, 1964 and Naquetia Jousseaume, 1880 (Gastropoda: Muricidae) in the Indo-West Pacific
Located in Library / RBINS Staff Publications 2021
Article Reference Stable isotopes unveil one millennium of domestic cat paleoecology in Europe
The domestic cat is the world's most popular pet and one of the most detrimental predators in terrestrial ecosystems. Effective protection of wildlife biodiversity demands detailed tracking of cat trophic ecology, and stable isotopes serve as a powerful proxy in dietary studies. However, a variable diet can make an isotopic pattern unreadable in opportunistic predators. To evaluate the usefulness of the isotopic method in cat ecology, we measured C and N isotope ratios in hundreds of archaeological cat bones. We determined trends in cat trophic paleoecology in northern Europe by exploiting population-scale patterns in animals from diverse locations. Our dataset shows a high variability of isotopic signals related to the socio-economic and/or geomorphological context. This points toward regularities in isotopic patterns across past cat populations. We provide a generalized guide to interpret the isotopic ecology of cats, emphasizing that regional isotopic baselines have a major impact on the isotopic signal.
Located in Library / RBINS Staff Publications 2022
Article Reference Berberis sawfly contains toxic peptides not only at larval stage
Located in Library / RBINS Staff Publications 2019
Article Reference Description, notes and new records in south american Cerambycidae (Coleoptera)
Located in Library / RBINS Staff Publications 2019
Article Reference Supplementary feeding increases nestling feather corticosterone early in the breeding season in house sparrows
Located in Library / RBINS Staff Publications 2017
Article Reference Finding loci associated to partial resistance to white pine blister rust in sugar pine (Pinus lambertiana Dougl.)
Located in Library / RBINS Staff Publications 2017
Article Reference Revealing Invisible Beauty, Ultra Detailed: The Influence of Low Cost UV Exposure on Natural History Specimens in 2D+ Digitization
Digitization of the natural history specimens usually occurs by taking detailed pictures from different sides or producing 3D models. Additionally this is normally limited to imaging the specimen while exposed by light of the visual spectrum. However many specimens can see in or react to other spectra as well. Fluorescence is a well known reaction to the ultraviolet (UV) spectrum by animals, plants, minerals etc. but rarely taken into account while examining natural history specimens. Our tests show that museum specimens still fluoresce when exposed to UV light of 395 nm and 365 nm, even after many years of preservation. When the UV exposure is used in the digitization of specimens using our low cost focus stacking (2D+) setup, the resulting pictures reveal more detail than the conventional 2D+ images. Differences in fluorescence using 395 nm or 365 nm UV lights were noticed, however there isn’t a preferred wavelength as some specimens react more to the first, while others have better results with the latter exposure. Given the increased detail and the low cost of the system, UV exposure should be considered while digitizing natural history museum collections.
Located in Library / RBINS Staff Publications 2016
Article Reference Spondylosis deformans in three large canids from the Gravettian Předmostí site: Comparison with other canid populations
Located in Library / RBINS Staff Publications 2016
Article Reference Evidence for herbivorous cave bears (Ursus spelaeus) in Goyet Cave, Belgium: implications for palaeodietary reconstruction of fossil bears using amino acid δ15N approaches
Located in Library / RBINS Staff Publications 2016