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Belgian fossil shells as fortune tellers? Unique climate archives yet hardly tapped into
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Shells are powerful climate archives - they add growth increments on timescales as short as sub-daily, and often live for decades, some even more than 100 years. With the aid of isotope and trace-elemental geochemistry, the effects of climate change on temperature, seasonality and extreme weather can be read from them. Belgium is one of the few countries blessed with extensive records of exquisitely preserved fossil shells dating to the Pliocene, a geologic period dating from 5.3 to 2.6 million year ago. Critically, the Pliocene is the youngest geologic time during which CO2 levels were >400 ppm and mean annual temperatures comparable to those to be reached by the end of this century, following Shared Socioeconomic Pathways (SSP) 2-4.5 of the IPCC. It therefore presents an ideal near-future analogue. Rich collections of well-preserved Belgian Pliocene shells are in the Royal Belgian Institute of Natural Sciences (RBINS), and more material is collected from temporary outcrops like building sites in and around Antwerp with the aid of citizen-scientists. In recent years, RBINS collaborated with national (VUB, KULeuven) and international (VU Amsterdam, Naturalis, UDerby) researchers to start tapping into these exquisite climate archives, unraveling previously unknown details on Belgian past climate, predicting amplified seasonality in Europe in a warmer world, and investigating the potential of fossil shells to document heat waves and storms. The poster will highlight some of this recent collaborative work, and, why the RBINS, through its collections, fieldwork and expertise can play a pivotal role in climate research in Belgium.
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RBINS Staff Publications 2024
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Belgisch marmer
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RBINS Staff Publications
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Belgium.
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RBINS Staff Publications
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Belgium. In : The Northwest European Tertiary Basin, I.G.C.P. Project 124.
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RBINS Staff Publications
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Belgocaranx luypaertsi gen. and sp. nov., a new skeleton-based Carangid Fish from the Boom Clay (Rupelian, Early Oligocene) at Kallo (N. Belgium).
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RBINS Staff Publications
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Binkhorstiidae, a new family of crabs (Decapoda, Brachyura, Retroplumoidea) from the upper Cretaceous of the Netherlands and Belgium.
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In addition to the type species, Binkhorstia ubaghsii, which is fairly common in the upper part of the Nekum Member (Maastricht Formation) in the wider vicinity of Maastricht (the Netherlands) and Binkhorstia euglypha, which appears to be restricted to the overlying Meerssen Member of the same formation (uppermost Maastrichtian), a third member, B. desaegheri nov. sp., is recorded from the upper middle Santonian of the Campine area in north-east Belgium. The history of Binkhorstia is convoluted, serving as a prime example of how attempts to unravel the higher-level taxonomic position of late Mesozoic crabs may prove difficult. Over time, the genus has been referred to various families or subfamilies, either podotreme or putative eubrachyuran; here the new family Binkhorstiidae is placed in the superfamily Retroplumoidea. Binkhorstiids appear to have been a relatively short-lived endemic group that fell victim to Cretaceous‒Paleogene (K/Pg) boundary perturbations.
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RBINS Staff Publications 2024
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Biodiversity of tiger beetles from Angola with the description of a new species of the genuw Neochila Basilewsky, 1953 (Coleoptera: Cicindelidae)
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RBINS collections by external author(s)
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Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea. Volume IV
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RBINS Staff Publications 2021
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Biofluorescence in Morelia, Malayopython and Python: first reports for the Pythonidae
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Ultraviolet (UV) induced biofluorescence in snakes has been underexplored compared to lizards. This study reports for the first time UV fluorescence in several Pythonidae species, including Morelia viridis, Malayopython reticulatus, and Python regius. Specimens were examined under both white and UV light, revealing that UV fluorescence in these snakes is likely skin-based, induced by chemical compounds rather than bone-based as seen in other reptiles. Notably, Morelia viridis and M. azurea exhibited a golden mustard yellow fluorescence, while Malayopython reticulatus displayed a complex pattern with intense yellow fluorescence. The study also found that UV fluorescence is absent in ethanol-preserved specimens, suggesting the degradation of fluorescent compounds during preservation. These findings contribute to the understanding of UV fluorescence in snakes and highlight the need for further research on its functional significance and the specific molecules involved.
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RBINS Staff Publications 2024
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Biofluorescence of the Crocodile Skinks, genus Tribolonotus: first report in Scincidae
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Biofluorescence, the phenomenon where organisms absorb short wavelengths of light and re-emit longer wavelengths, has been documented in various reptile and amphibian groups. This study reports the first observation of UV-induced biofluorescence in the genus Tribolonotus (crocodile skinks), marking the first such report for the family Scincidae. Specimens of Tribolonotus novaeguineae, T. brongersmai, and T. gracilis were examined under UV light, revealing distinct fluorescence patterns. The fluorescence is primarily bone-induced, linked to the presence of osteoderms, although some skin-based fluorescence was also observed, particularly around the eyes. The study suggests potential ecological roles for this fluorescence, such as intraspecific signaling or predator-prey interactions, and highlights the need for further research to understand the functional significance of biofluorescence in these skinks.
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RBINS Staff Publications 2024
