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De witste ‘witsteen’ Gobertangesteen.
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RBINS Staff Publications 2023
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Ancient and modern DNA track temporal and spatial population dynamics in the European fallow deer since the Eeemian interglacial
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Anthropogenic factors have impacted the diversity and evolutionary trajectory of various species. This can be through factors such as pressure on population size or range, habitat fragmentation, or extensive manipulation and translocation. Here we use time-calibrated data to better understand the pattern and processes of evolution in the heavily manipulated European fallow deer (Dama dama). During the Pleistocene, fallow deer had a broad distribution across Europe and were found as far north as Britain during the Eemian interglacial. The last glacial period saw fallow deer retreat to southern refugia and they did not disperse north afterwards. Their recolonisation was mediated by people and, from northern Europe and the British Isles, fallow deer were transported around the world. We use ancient and modern mitochondrial DNA (mtDNA) and mitogenomic data from Eemian Britain to assess the pattern of change in distribution and lineage structure across Europe over time. We find founder effects and mixed lineages in the northern populations, and stability over time for populations in southern Europe. The Eemian sample was most similar to a lineage currently in Italy, suggesting an early establishment of the relevant refuge. We consider the implications for the integration of anthropogenic and natural processes towards a better understanding of the evolution of fallow deer in Europe.
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RBINS Staff Publications 2023
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Human-environment interactions in the Holocene
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RBINS Staff Publications 2017
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Two fatal autochthonous cases of airport malaria, Belgium, 2020
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RBINS Staff Publications 2022 OA
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Stratigraphy, structure and evolution of the European continental margins
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RBINS Staff Publications 2019
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Two odd ones: Mediterranean ballast stones and Italian maritime connections in the medieval Bruges’ harbor system.
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Excavations in the Bruges’ Medieval outer ports of Hoeke and Monnikerede, located along the Zwin tidal inlet, revealed numerous rounded cobbles of exotic geological provenance among which were two specimens of remarkable mineralogical composition. An interdisciplinary study combining archeological, geological, petrographic-geochemical, and historical research has demonstrated their Mediterranean, i.e., Italian, provenance. A first stone is identified as Carrara marble originating from the alluvial fans of the Apuan Alps, deposited along the Versilian coast near the Renaissance towns of Lucca, Pisa, and Genoa. The second cobble is determined as a bioclastic calcarenite limestone from the Apulian shores. Both finds are interpreted as part of the non-saleable ballast once put in the holds of Italian carracks and galleys that touched the Flemish ports during the late thirteenth to fifteenth centuries. As such, both seemingly ordinary objects constitute a rare material and lithological testimony of an important late Medieval commercial network between the Mediterranean and North Sea coasts. Furthermore, the very rare occurrence of these Mediterranean cobbles compared to thousands of Scando-Baltic and Anglo-Scottish ballast stones in the whole of the Bruges outer harbor area can be related to differences in maritime traffic frequency and sheer commercial volumes. Also, the nature of the ballast itself and the ballasting procedures are important, the whole making Mediterranean ballast stones considerably less detectable in the Bruges’ harbors than their North-European equivalents.
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RBINS Staff Publications 2022
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De grafsteen van abt Wiric Van Stapel: relict van een 12e eeuwse mozaïekvloer met Romeinse marmers in Sint-Truiden (prov. Limburg).
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RBINS Staff Publications 2022
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Rome à la Campagne: les décors en pierre de la villa de la Grande Boussue à Nouvelles, (Mons, Belgique)
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RBINS Staff Publications 2022
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Do private coffee standards ‘walk the talk’ in improving socio-economic and environmental sustainability?
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Private sustainability standards cover an increasingly large production area and involve an increasing number of farmers worldwide. They raise expectations among consumers about the economic, ethical and environmental implications of food production and trade; and attract donor funding to certification schemes. The sustainability impact of standards remains unclear as research focuses on either economic or environmental implications. We analyze both the socio-economic and environmental impacts of coffee standards in Uganda and show that these are not in line with expectations created towards consumers. We find that standards improve either productivity and farm incomes or biodiversity and carbon storage but fail to eliminate trade-offs between socioeconomic and environmental outcomes, even when combined in multiple certification. Our analysis is based on a unique combination of economic survey data and ecological field inventory data from a sample of certified and noncertified coffee farms. Our findings are relevant for farmers, food companies, policy-makers, donors and consumers. They imply that combining different standards in multiple certification is counterproductive; that the design of standards could improve to mitigate observed trade-offs between economic and environmental outcomes; and that this requires increased productivity within ecological boundaries, rather than a price premium and added control mechanisms through multiple certification
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RBINS Staff Publications 2018
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Investigating urban ant community (Hymenoptera: Formicidae) in port cities and in major towns along the border in Côte d’Ivoire: a rapid assessment to detect potential introduced invasive ant species
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Objective: This study aimed at examining ant communities of port and border cities in order to identify introduced and potential invasive ant species and microhabitats likely to contribute to the spread of these ant species. Therefore, the sampling design are linear transects of 200 metres on which ants were collected using tuna baits at 15, 30, 45 and 60 minutes in the two port cities of Abidjan and San Pedro, and seven cities that are Man, Touba, Odienne, Ferkéssedougou, Bouna, Bondoukou and Abengourou located near the borders of Côte d’Ivoire. The results showed 83 ant species including 9 potential introduced or invasive ant species. These invasive ants contributed importantly to the ant assemblage in port cities (23.95±2.7 % of total richness and 37±6.1 % of total abundance) and border cities (20.17±4.7 % / 30.6±7 %). In addition two notorious invaders, Solenopsis geminata (Fabricius, 1804) (Tropical fire ant) and Pheidole megacephala (Fabricius, 1793) (Big-headed ant) were detected during this study. The results also indicated that potential introduced or invasive ant species were mostly detected in microhabitats where human activities are uninterrupted such port zones, markets, domestic streets and residential. Conclusion: In the end, this study has shown that ant communities in port and border cities harbour invasive potential ant species, particularly microhabitats characterized by high human activities such as port areas, markets, domestic streets and residential areas.
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RBINS Staff Publications 2018
