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Inproceedings Reference Séquences polliniques en Flandre Sableuse (Nord-Ouest de la Belgique) : apport du paléoenvironnement à la compréhension des systèmes d’occupations préhistoriques
Après trois décennies de recherches archéologiques en Flandre Sableuse (Nord-Ouest de la Belgique), une des régions actuellement les plus intensivement prospectées de l’Europe du Nord-Ouest, des cartes de répartitions archéologiques détaillées ont pu être établies. Celles-ci montrent une occupation préhistorique importante dès ca 12000 cal BC, couvrant les périodes du Paléolithique Final, du Mésolithique et du Néolithique, mais aussi et surtout un patron de distribution distinct des sites tant au niveau spatial que temporel. Dans le but d’expliquer les changements observés dans la localisation des sites, un projet interdisciplinaire faisant intervenir archéologie, géographie, paléoécologie, sédimentologie et prospection géophysique a été entrepris. L’idée sous-jacente est que, outre les facteurs humains, les conditions environnementales ont pu avoir une influence sur les conditions d’occupation au cours du temps. L’objectif de cette recherche est donc d’analyser l’histoire du peuplement de cette région en termes de potentiels environnementaux. En effet, depuis la fin du dernier Pléniglaciaire, le paysage de la Flandre Sableuse a été sujet à des changements importants dus à des fluctuations climatiques abruptes, et de nombreux lacs peu profonds et de dunes de sables ont été formés, jouant certainement un rôle majeur dans la dynamique d’occupation du territoire. Lors d’une importante campagne de terrain, 15 sondages mécaniques et une tranchée ont ainsi été réalisés à 5 emplacements différents selon un transect Nord-Sud : sur une crête sableuse, au sein de dépressions lacustres fossiles et d’anciennes petites ravines incisant ces dernières, dans de larges paléochenaux. Ces profils ont été intensivement échantillonnés en vue d’analyses paléoécologiques et sédimentologiques et pour les datations OSL et 14C. Nous présentons ici les résultats polliniques obtenus pour 4 de ces séquences sédimentaires. Ils aboutissent à une vison nouvelle de l’évolution des paléopaysages locaux et régionaux en Flandre Sableuse au cours du Tardiglaciaire et du début de l’Holocène, et permettent d’évaluer en détail comment et dans quelle mesure cette évolution a pu déterminer les occupations préhistoriques de cette région.
Located in Library / No RBINS Staff publications
Article Reference Sex and transposable elements in ostracods (Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications
Inproceedings Reference Shastasaurid ichtyosaurs and other lost critters from the French Rhaetian
Located in Library / RBINS Staff Publications
Inproceedings Reference Sheep and goat birth seasonality at Early Byzantine Sagalassos
The seasonality of birth, a key parameter when addressing past domestic livestock management, can be investigated through serial stable oxygen isotope analysis in tooth enamel. The assessment of the season of births requires furthermore the availability of modern reference data set, existing for cattle, sheep, pigs or llamas. The ancient site of Sagalassos, in the Taurus Mountains (SW Turkey), has delivered a large assemblage of sheep and goat remains. The osteological analysis revealed a predominance of goat over sheep, with a ratio varying between 65 and 90% over time. Goats and sheep were kept at an old age for the production of milk, wool/hair, as well as for horn-working and hide exploitation. A stable oxygen isotope (δ18O) analysis focussing on mandibular M2s was undertaken to investigate goat and sheep livestock demographic management during the Early Byzantine period (450-680 CE). ZooMS was used to confirm specific attribution of selected specimens (ten goats, eight sheep). Ten modern hair goats collected in the late 1990s in the context of a research project on small ruminant herd management in the Eastern Mediterranean were also sampled to provide a modern comparative for the assessment of birth season. The modern goat δ18O sequences were modelled according to Balasse et al. (2012) and compared with the existing sheep reference data set. The comparison suggests a different timing in the isotope record between sheep and goats and argues for the use of species-specific comparative for the assessment of birth season in archaeological herds. The comparison of the modern and archaeological goat δ18O sequences indicate a quite restricted season of births in spring for the latter. On the contrary, sheep births were spread out over roughly six months, from late winter/early spring to early-/mid-summer. More modern goat comparatives are needed to enrich this dataset. Keywords: Stable oxygen isotope, tooth enamel, birth seasonality, goat, Sagalassos.
Located in Library / RBINS Staff Publications 2023
Inproceedings Reference Shell morphology and reproductive anatomy of the genera Bensonies, Khasiella, Oxytesta and Macrochlamys (Pulmonata: Ariophantidae: Macrochlamydinae) from Nepal
Located in Library / RBINS Staff Publications
Inproceedings Reference Shell repurposing is an important consideration for the future sustainability of mollusc aquaculture
Located in Library / RBINS Staff Publications 2016
Inproceedings Reference Short-term variability of high-frequency seafloor multibeam echosounder backscatter: results from field experiments on the Belgian Continental Shelf
Located in Library / RBINS Staff Publications 2018
Misc Reference SIDbase : a database built for the management of Social Insects Diversity inventories
Located in Library / RBINS Staff Publications
Inproceedings Reference Significance of boulder shape for the transport of boulders by tsunamis
Located in Library / RBINS Staff Publications 2021
Inproceedings Reference Silurian solid bitumen from Huy: evidences for a petroleum system in Belgium
The discovery of a bitumen bed within the Silurian Bonne Esperance Formation near the city of Huy (Belgium) is the first clear evidence for a petroleum system in Belgium. The studied section near the city of Huy (Belgium) is part of a larger structural unit called the Condroz inlier. This structural unit is a wedge of Ordovician to Silurian aged marine sediments which was thrusted up along the Midi detachment fault during the Hercynian orogeny and forming the Ardennes Massif (Adams & Vandenberghe, 1999). To understand the geological processes involved in the formation of the bitumen bed, the Bonne Esperance Formation was logged and 82 samples were collected for XRF chemostratigraphy, five samples were collected (Figure 1, pictures 1-5) for biostratigraphic purposes and one sample was taken from the bitumen itself. ICP-MS, TOC, Rock-Eval pyrolysis and Gamma-ray measurements are underway to quantify the source rock potential of the Bonne Esperance Formation. Preliminary XRF measurements already show that especially the lower part of the Bonne Esperance Formation is enriched in elements linked to anoxic conditions/enrichment of organic material, which indicates that the Bonne Esperance Formation itself is the likely candidate source rock for the bitumen. The sample from the bed which includes the bitumen has already been tested to confirm the nature of the bitumen material. The sample was crushed and heated in a vial and the released hydrocarbons were then ignited with a flame (Figure 1, picture 6C). The First occurrence of the graptolites of the Family Monograptidae was used to pinpoint the location of the Ordovician-Silurian boundary (Akidograptus Ascensus zone at sample 4) (Maletz, 2017). Given the current results and the ongoing analyses a picture emerges of the Silurian of the Condroz inlier as being Belgium’s first and to date only petroleum system.
Located in Library / RBINS Staff Publications 2021