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Inproceedings Reference Climate change impacts on storm-surges and waves on the Belgian Continental Shelf
Located in Library / RBINS Staff Publications 2018
Inproceedings Reference Climate-pastoral activity interactions in the Champsaur Valley (French Alps) and their effect on the evolution of biodiversity during the last 3400 years
This work reconstructs the history of local landscape at two sites located in the Champsaur Valley (French Alps), namely Lac de Faudon (1577 m asl) and Laus des Combettes (1175 m asl), during the last 3400 years. Here we propose a multidisciplinary approach to explain complex human/climate relationships and their effects on the evolution of biodiversity over time scales that go beyond human life span. Modern pollen data and vegetation surveys from 49 sites, selected within different environmental and land-use contexts in the Champsaur Valley, were used to create a pollen-based transfer-function to quantify pasture pressure. Its application to the two well-dated pollen sequences, covering the last 3400 and 2000 years respectively, allowed reconstructing the evolution of pasture-pressure through time. The pollen-based reconstructions were compared with changes in percentages of palynological and NPP pastoral indicators like spores of coprophilous Fungi, showing a good correlation but differences in the inferred intensity of the pastoral pressure. Palaeoecological data, in consistence with archaeological and historical evidences, underline a continuous human presence surrounding the two sites since the Antiquity. Pollen diversity reaches its highest value during the Medieval Warm Period (850-550 cal BP), when demography increase and stability of human presence are reported. An unprecedented fall of diversity is recorded at the beginning of the climate deterioration of the Little Ice Age (650 and 380 cal BP), coinciding with invasions from neighbouring human groups and wars and with a reduced pastoral activity at both sites. Data suggest that the interaction between human activities and climate changes produced important transformations in the composition of the local flora, resulting in a weakened ecosystem highly dependent on Human cares and more sensitive to climate variability. Keywords: palynology, late Holocene vegetation history, human/environment relationships, pasture pressure modeling, diversity indexes.
Located in Library / RBINS Staff Publications
Inproceedings Reference Climatic and anthropogenic palaeoenvironmental changes over the last 1500 years in Hautes-Fagnes (East Belgium): the high-resolution multiproxy record of the Misten peat bog.
Located in Library / RBINS Staff Publications
Inproceedings Reference Climatic and anthropogenic palaeoenvironmental variability during 1500 years in the Misten ombrotrophic peat bog (Hautes-Fagnes, East Belgium): contribution of pollen and NPP records
Located in Library / RBINS Staff Publications
Article Reference Climatic signature and chronology of the Late Pleistocene loess-palaeosol successions from Central and Eastern Europe
Located in Library / RBINS Staff Publications 2016
Inproceedings Reference CO2-enhanced oil recovery in the North Sea region and its importance for Belgium
Located in Library / RBINS Staff Publications 2016
Unpublished Reference Coastal coarse-clast deposits from storms vs. tsunamis
Located in Library / RBINS Staff Publications 2021
Inproceedings Reference Coastal geoarchaeology in the Mediterranean – on the interdependence of landscape dynamics, harbour installations and economic prosperity in the littoral realm, Panel 2.3. Archaeology and Economy in the Ancient World
Located in Library / RBINS Staff Publications 2022
Webpublished Reference Coastal marsh resilience: a study on the role of bio-geomorphic self-organization
Tidal marshes are valuable coastal ecosystems that are threatened by global climate warming and the resulting sea level rise. Whether they drown or continue to exist, depends on the trapping of sediments that builds up the land surface. Tidal channel networks, which typically occur within tidal marshes, are the major supply routes for sediments towards the marshes and hence are expected to affect the capacity of marshes to keep up with sea level rise by sediment trapping. The development and evolution of tidal channel networks and the sediment trapping are locally determined by so-called bio-geomorphic interactions between plants, water flow and sediment transport. However, the effect of different environmental variables on channel network formation remains poorly understood. In this research, we investigated the impact of spatio-temporal plant colonization patterns by means of flume experiments. Four scaled landscape scale experiments were conducted in the Metronome tidal facility, a unique flume that tilts periodically to generate tidal currents. Two control experiments without vegetation, a third experiment with a channel-fringing vegetation colonization pattern, and a fourth with patchy vegetation colonization pattern. Seeds were distributed by water in the channel-fringing experiment, while a manual sowing method was used to obtain laterally expanding circular patches in the patchy experiment. Our results show that vegetation and their respective colonization pattern affect channel network formation both on a landscape scale and local scale. More extensive and effective channel networks are found in vegetation experiments. These results indicate that channel-fringing or patchy recruitment strategies might produce landscapes that are more resilient to sea level rise.
Located in Library / RBINS Staff Publications 2024
Webpublished Reference Coastal Marsh Vulnerability to Sea-Level Rise Is Exacerbated by Plant Species Invasion
Located in Library / RBINS Staff Publications 2025