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Inproceedings Reference Large old tropical trees as pools of biodiversity: the Life On Trees program
The aim of the Life On Trees (LOT) program is to generate baseline knowledge about the number of eukaryotic species a single large aged tropical tree can host and to understand how these communities of organisms are assembled. The program is conducted in the Amazon and Andes biodiversity hotspots. Our first project, LOT-Amazon 2022, was performed on a spectacular Dussia tree (Fabaceae), which was 50 m high and 45 m wide. The sampling was carried out by professional climbers, guided by experts of the different eukaryotic groups studied (plants, fungi, animals, protists). To better understand the contribution of different tree components (bark, leaves, fruits, flowers, living and dead wood) to overall tree biodiversity, we assigned observations into communities based on height zone or microhabitat and will examine similarities and nestedness in the composition of these communities. The first results show that a single tree can host a tremendous diversity (e.g., 42 orchids, 28 ferns, and more than 200 bryophytes, 180 lichen species identified, which are world records considering the 400m elevation). This confirms that large old tropical trees are important pools of biodiversity probably in relation with the variety of local microhabitats and tree age. Funding: Fonds de Dotation Biotope pour la Nature Web and/or Twitter account: www.lifeontrees.org
Located in Library / RBINS Staff Publications 2023
Article Reference Frasnian cephalopods from the newly discovered Carrière de Lompret section, Lompret, Belgium
Located in Library / RBINS Staff Publications 2018
Article Reference Nautiloid turnover across the Cretaceous/Paleogene boundary: Chixculub impact, Deccan volcanism and Europe as key?
Located in Library / RBINS Staff Publications 2018
Inproceedings Reference La mort des ammonites, délice turc : quatre nouveaux sites de la limite Crétacé/Tertiaire documentant deux faunes d'ammonoïdes finmaastrichtiennes très différentes et contemporaines du volcanisme du Deccan
Located in Library / RBINS Staff Publications 2018
Inproceedings Reference A Step Towards Accurate Integrated Monitoring of The Sinking Zones in the Coastal Area of Antwerp Due to Possible Hydrogeological and Geomechanical Processes
Located in Library / RBINS Staff Publications 2023
Inproceedings Reference A Summary Review Based on Case Studies of the Challenges Related to the Comparison of Displacements Measured by PS-InSAR and Simulated by Geomechanical Coupled to Groundwater Models.
Located in Library / RBINS Staff Publications 2023
Inproceedings Reference Difficulties arising when PS-InSAR displacement measurements are compared to results from geomechanical and groundwater flow computations
Located in Library / RBINS Staff Publications 2023
Inproceedings Reference Subsidence Evolution of Antwerp Region, Belgium over 77 Years, Using Historical Levelling and GNSS Data and Recent Persistent Scatterers Interferometry Observations
Located in Library / RBINS Staff Publications 2023
Webpublished Reference Contrasting saltmarsh vegetation impacts under increasing sea level rise rates
The resilience of saltmarshes mainly depends on their ability to gain elevation by sediment accretion to keep pace with sea level rise. While vegetation is known to facilitate sediment accretion at the plant scale by trapping mineral sediments and producing organic matter, the long- term impact at the landscape scale is still poorly understood. Here we use the biogeomorphic model Demeter to reveal contrasting vegetation impacts on spatial patterns of sediment accretion under different sea level rise regimes. Under contemporary sea level rise rates (2-10 mm/yr), vegetation inhibits sediment transport from tidal channels to platform interiors and creates levee- depression patterns. Hence, intertidal platforms accrete slower with vegetation than without, but this trend attenuates with increasing sea level rise rate, as water depth increases, and vegetation drag decreases. Under extreme sea level rise rate (20 mm/yr), platform interiors don’t keep up and turn into open water, while vegetation allows to preserve intertidal levees. Our results help to better understand some basic biophysical mechanisms that will control the fate of coastal wetlands under global climate change.
Located in Library / RBINS Staff Publications 2024
Webpublished Reference North Sea Hydrodynamics With Nested Models
The North Sea is an epeiric sea on the European continental shelf, which connects to the Atlantic Ocean through the English Channel in the South and the Norwegian Sea in the North. It hosts key north European shipping lanes, and it is a major fishery and a rich source of energy resources, including wind, wave and solar power. Here we present a nested hydrodynamics model that is calibrated against in situ data for the year 2009, and validated for the years 2010, 2011 and 2015, which present a large range of contrasting North Atlantic Oscillation (NAO) indices. Our results are openly available and provide 10+ years of hydrodynamics data (sea surface elevation, sea water velocity, potential temperature and salinity) with a resolution of 30 arcseconds in the Southern Bight of the North Sea, and 2 arcminutes elsewhere. With our model and resulting dataset, we aim at supporting marine research and policy in a highly, anthropogenically impacted system, allowing stakeholders to take informed decisions to sustainably manage its valuable resources.
Located in Library / RBINS Staff Publications 2024