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Changements environnementaux postglaciaires et action de l'homme dans le bassin du Buech et en Champsaur (Hautes Alpes, France). Premier bilan d'une étude pluridisciplinaire
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RBINS Staff Publications
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Changes in chlorophyll concentration and phenology in the North Sea in relation to de‐eutrophication and sea surface warming
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At least two major drivers of phytoplankton production have changed in recent decades in the North Sea: sea surface temperature (SST) has increased by ~ 1.6°C between 1988 and 2014, and the nitrogen and phosphorus loads from surrounding rivers have decreased from the mid‐1980s onward, following reduction policies. Long time series spanning four decades (1975–2015) of nutrients, chlorophyll (Chl), and pH measurements in the Southern and Central North Sea were analyzed to assess the impact of both the warming and the de‐eutrophication trends on Chl. The de‐eutrophication process, detectable in the reduction of nutrient river loads to the sea, caused a decrease of nutrient concentrations in coastal waters under riverine influence. A decline in annual mean Chl was observed at 11 out of 18 sampling sites (coastal and offshore) in the period 1988–2016. Also, a shift in Chl phenology was observed around 2000, with spring bloom formation occurring earlier in the year. A long time series of pH in the Southern North Sea showed an increase until the mid‐1980s followed by a rapid decrease, suggesting changes in phytoplankton production that would support the observed changes in Chl. Linear correlations, however, did not reveal significant relationships between Chl variability and winter nutrients or SST at the sampling sites. We propose that the observed changes in Chl (annual or seasonal) around 2000 are a response of phytoplankton dynamics to multiple stressors, directly or indirectly influenced by de‐eutrophication and climate warming.
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RBINS Staff Publications 2019
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Changes in Species Richness and Spatial Distribution of Mosquitoes (Diptera: Culicidae) Inferred From Museum Specimen Records and a Recent Inventory: A Case Study From Belgium Suggests Recent Expanded Distribution of Arbovirus and Malaria Vectors
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Mosquito (Diptera: Culicidae) distribution data from a recent inventory of native and invading mosquito species in Belgium were compared with historical data from the period 1900-1960 that were retrieved from a revision of the Belgian Culicidae collection at the Royal Belgian Institute of Natural Sciences. Both data sets were used to investigate trends in mosquito species richness in several regions in Belgium. The relative change in distribution area of mosquito species was particularly important for species that use waste waters and used tires as larval habitats and species that recently shifted their larval habitat to artificial larval habitats. More importantly, several of these species are known as vectors of arboviruses and Plasmodium sp. and the apparent habitat shift of some of them brought these species in proximity to humans. Similar studies comparing current mosquito richness with former distribution data retrieved from voucher specimens from collections is therefore encouraged because they can generate important information concerning health risk assessment at both regional and national scale.
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Changes in the distribution of carabid beetles in Belgium revisited: Have we halted the diversity loss?
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RBINS Staff Publications
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Chapitre 1 : De l’Ardenne au Massif ardennais.
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RBINS Staff Publications 2019
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Chapitre 3 – L’époque romaine.
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In Dossogne M. (dir), Authom N., Collette O., Goemaere E., Guillaume A., Hanut F., Genvier S., Pigière F., Raepsaet-Charlier M.-T. et Yernaux C., 2021. Occupations protohistoriques et gallo-romaines à Péruwelz/Braffe. Les sites de “Couture de Clérivau”, “Grande Ramette” et “Gros Tilleul ». Publication sortie de presse en juin 2022
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RBINS Staff Publications 2022
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Chapter 2. Systematics and paleobiogeography of early bats
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no abstract
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Chapter 12 - New Specimens of Frugivastodon (Mammalia: Apatotheria) from the Early Eocene of India Confirm Its Apatemyid Status and Elucidate Dispersal of Apatemyidae
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We here describe 18 new specimens of the sole apatemyid mammal known outside North America and Europe: Frugivastodon cristatus from the early Eocene Cambay Shale Formation of Vastan Lignite Mine, Gujarat, India. This mammal was previously represented by a single isolated lower molar, which hindered the establishment of its relationships among Apatemyidae. The new fossils show that the Indian apatemyid is unique and represents a new morphotype among this family. It is notably characterized by mesiodistally elongated lower molars with a reduced m3, a small hypocone on the upper molars, and a transversely wider M1 than in other apatemyids. The new data supports the inclusion of the enigmatic Uintan Aethomylos within Apatemyidae. The Indian Frugivastodon and the North American Aethomylos might represent a distinct clade of Apatemyidae that originated around the Paleocene-Eocene boundary. A paleobiogeographic analysis suggests that Frugivastodon dispersed from Europe into India during the early Ypresian. We also review the dispersal events that characterized the history of Apatemyidae.
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RBINS Staff Publications 2020
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Chapter 19: Ammonites on the brink of extinction: diversity, abundance, and ecology of the Order Ammonoidea at the Cretaceous-Paleogene (K/Pg) boundary
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Chapter 22. Class Ostracoda
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RBINS Staff Publications 2020
