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Article Reference North American Branchiobdellida (Annelida: Clitellata) or Crayfish Worms in France: the most diverse distribution of these exotic ectosymbionts in Europe
Located in Library / RBINS Staff Publications 2020
Article Reference Governance of shallow geothermal energy resources
Successful electrification of cities' heating and cooling demands depends on the sustainable implementation of highly efficient ground source heat pumps (GSHP). During the last decade, the use of shallow geothermal energy (SGE) resources in urban areas has experienced an unprecedented boost which nowadays is still showing a steady 9% market growth trend. However, the intensive market incorporation experienced by this technology entails different responsibilities towards the long-term technical and environmental sustainability in order to maintain this positive trend. Here we present a SGE management framework structure and a governance model agreed among 13 European Geological Surveys, providing a roadmap for the different levels of management development, adaptable to any urban scale, and independent of the hydrogeological conditions and the grade of development of SGE technology implementation. The management approach reported is based on the adaptive management concept, thus offering a working flow for the non-linear relationship between planning, implementation and control that establishes a cyclical and iterative management process. The generalized structure of the SGE management framework provided allows the effective analysis of policy to identify and plan for management problems and to select the best management objectives, strategies and measures according to the policy principles proposed here.
Located in Library / RBINS Staff Publications 2020
Article Reference EuroGeoSurveys: from a non-profit association to ageological service for Europe
EuroGeoSurveys (EGS) is a not-for-profit organization representing 37 national geological surveysand some regional surveys; it has an overall workforce of several thousand experts. EGS members provide offi-cial, interoperable, homogeneous, reliable, INSPIRE (infrastructure for spatial information in the EuropeanCommunity)-compliant public data on the subsurface for the benefit of society in terms of circular economydevelopment, sustainable management of the subsurface resources, understanding and combatting climatechange and the development of infrastructures and mitigation of geology-related natural hazards. The EGSis committed to establishing a geological service for Europe based on three pillars: (1) joint research withimpact on EU policy level, which is being implemented through the GeoERA programme (Establishing theEuropean Geological Surveys Research Area to deliver a Geological Service for Europe); (2) harmonizingand sharing pan-European geological data, through the European Geological Data Infrastructure (EGDI);and (3) sharing knowledge, capacities and infrastructure, through the pan-African support to the EGS-Organi-zation of African Geological Surveys (OAGS) Partnership (PanAfGeo project). The EGS will continue to sup-port the EU in its transition to a low-carbon, climate-neutral, resource-efficient, socially and environmentallyresilient economy, in full compliance with the United Nations 2030 Agenda and the 17 Sustainable Develop-ment Goals.
Located in Library / RBINS Staff Publications 2020
Article Reference Untangling a mess of worms: Species delimitations reveal morphological crypsis and variability in Southeast Asian semi-aquatic earthworms (Almidae, Glyphidrilus)
Located in Library / RBINS Staff Publications 2019
Article Reference Re-description of the type species of the genera Ganesella Blanford, 1863 and Globotrochus Haas, 1935; with description of a new Ganesella species from Thailand (Eupulmonata, Camaenidae)
Located in Library / RBINS Staff Publications 2019
Article Reference Body distribution of toxic peptides in larvae of a pergid and an argid sawfly species
Located in Library / RBINS Staff Publications 2020
Article Reference NGS-barcodes, haplotype networks combined to external morphology help to identify new species in the mangrove genus Ngirhaphium Evenhuis & Grootaert, 2002 (Diptera: Dolichopodidae: Rhaphiinae) in Southeast Asia
Located in Library / RBINS Staff Publications 2019
Article Reference The first species of Hapalodectes (Mesonychia, Mammalia) from the Middle Paleocene of China (Qianshan Basin, Anhui Province) sheds light on the initial radiation of hapalodectids
A lower jaw of the mesonychian Hapalodectes is reported from Nongshanian sediments (Upper Doumu Formation; middle Paleocene) of the Qianshan Basin (Anhui Province, China). The fragmentary mandible is only the third specimen of Hapalodectidae discovered in Paleocene deposits, and the first in south east China; it is moreover the oldest, the two other specimens having been found in Gashatan (late Paleocene) localities. The premolars and molars of the new fossil are morphologically similar to Hapalodectes dux (late Paleocene of Mongolia), which has been considered to be the most primitive hapalodectid, but their relative proportions recall H. paleocenus and the Eocene Hapalodectes species. As a result, the fossil described herein appears to be different from the other previously described species of Hapalodectes in being morphologically intermediate between H. dux and the other Hapalodectes species, notably the Bumbanian Hapalodectes hetangensis and H. huanghaiensis from China; it is thus identified as a new species, Hapalodectes lopatini (possibly a male individual). Its discovery is important because it sheds light on the initial radiation of hapalodectids. The presence of one primitive hapalodectid in Mongolia previously suggested the Mongolian Plateau as the centre of origination of this carnivorous family, but the discovery of H. lopatini in older sediments from south-east China challenges this hypothesis. In the earliest Eocene, Hapalodectes dispersed from Asia to North America; this event being part of the ‘East of Eden’ dispersals. This event resulted in the geographical separation of two distinct Hapalodectes groups, in North America and south-eastern China respectively.
Located in Library / RBINS Staff Publications 2017
Inproceedings Reference New fossils of paroxyclaenids (Placentalia, Mammalia) from the early Eocene of France shed light on the origin and evolution of these endemic European mammals
Paroxyclaenidae is an enigmatic archaic group of middle size placental mammals. They are known only from Europe, and are recorded from the early Eocene (Ypresian) to the middle Eocene (Bartonian). Paroxyclaenids are divided into two distinct subfamilies: Paroxyclaeninae and Merialinae. They have been variously placed by different authors in Carnivora, Creodonta, ‘Condylarthra’, and Insectivora, but are considered since 1970’s as members of Pantolesta. The dentition of paroxyclaenids is complete (4 premolars, 3 molars); it is highly specialized, with relatively enlarged posterior premolars, spaced out cheek teeth, but primitive, for instance, in the absence of hypocone on upper molars. The molars decrease in size from M1/m1 to M3/m3; the M3 and m3 are sometimes well reduced. A particularity of the dentition of some paroxyclaenids is the tendency to enlargement and molarisation of the third and fourth upper and lower premolars, generally exceeding the succeeding molars in size. We recently studied unpublished fossils from the first half of the Ypresian: these fossils originate from the French localities of Le Lien (Hérault), Pourcy, Mutigny, Avenay (Marne), and Condé-en-Brie (Aisne). They allow to describe new specimens of Merialus martinae (the oldest paroxyclaenid) and three new species – the oldest paroxyclaenine and two merialines. Their study is the opportunity to review the evolution of this family – the last extensive and comprehensive review of the paroxyclaenids has been published in 1988. The two paroxyclaenid subfamilies – Paroxyclaeninae and Merialinae – are rarely recorded together: this case only occurs in the Paris Basin during the early Eocene (Mutigny, Avenay, Condé-en-Brie). Half of the merialines are present in the Southern European Province, while the paroxyclaenines are only recorded in Northern European Province. The two subfamilies reach their maximum size (+/- 3-4 kg) (e.g., Spaniella, Kopidodon) around the early/middle Eocene boundary (47.8 Myr). However, some smaller paroxyclaenids (body mass around 1 kg) have co-existed together with the larger ones. The small middle Eocene paroxyclaenids, which are as small as the taxa found in the early Eocene, have been the last representatives of the group (Bartonian). The maximum of diversity of the Paroxyclaenids occurred during the Lutetian (middle Eocene). Finally, because the new fossils provide information on the morphology of the earliest paroxyclaenids, their study is the opportunity to question the origin of this group and its relationships among Placentalia. Grant Information: This abstract is a contribution to the project BR/121/A3/PALEURAFRICA funded by the Belgian Science Policy Office.
Located in Library / RBINS Staff Publications 2017
Inproceedings Reference Platychelone emarginata gigantic Cretaceous marine turtle from Belgium
Platychelone emarginata Dollo, 1909 is a large turtle from the Late Cretaceous (Maastrichtian) chalk sediments of Limburg, Belgium. Hitherto, only the name was given to this turtle without describing details or providing figures. A single well articulated carapace (IRScNB. Reg. 1681), lacking nuchal, peripherals, and pygal plates, is preserved. The distance from the first costal to the distal end of the eighth costal is 180 cm, indicating that the original carapace was about 210 cm long. Its gigantic size, flattened shell, reduction of distal half of costals, and loss of scute sulcus, indicate that Platychelone is a member of true marine turtles (superfamily Chelonioidea). Neurals are rectangular shape and inclination of the first thoracic vertebra is almost vertical, suggesting this turtle belongs to either Protostegidae or Dermochelyidae. Seventh and eighth costals are medially meeting due to the loss of neurals; this condition is shared with the genus Mesodermochelys from the Late Cretaceous (Santonian to Maastrichtian) of Japan. Thus, it seems most probable that Platychelone is a closest relative of Mesodermochelys among basal dermochelyids. Platychelone has presumed autoapomorphic characters such as very thickened distal ends of thoracic ribs and irregular sculptures on carapace, not seen in any other chelonioids. This genus is only known by the holotype, whereas Allopleuron hoffmanni, a very common cheloniid marine turtle from in the Maastrichtian deposits of Belgium and Netherland, is known from some hundred specimens. So far, there is no ancestral or related taxon of Platychelone from the Campanian deposits of Belgium. The occurrence of Platychelone is very rare but evokes a high taxonomic diversity of gigantic chelonioids in the Cretaceous Tethys.
Located in Library / RBINS Staff Publications 2017