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Article Reference Managing canopy cover to preserve forest microclimate and diverse macroarthropod communities in times of drought
1. Forest canopies play a vital role in buffering macroclimatic conditions, creating stable microclimates that support species unable to survive under the surrounding climate. However, disturbances driven by climate change alongside management interventions can disrupt canopy cover, altering forest microclimates and, consequently, forest- related biodiversity. 2. To investigate these dynamics, we monitored forest floor temperature, soil moisture and macroarthropod communities along a canopy cover gradient in the National Park Brabantse Wouden, Belgium. Forest microclimate was recorded using TMS4- loggers throughout the 2022–2023 growing seasons. Macroarthropod activity- density and species richness were sampled using pitfall traps during the 2022 summer. Generalized linear mixed models and piecewise structural equation modelling were used to assess the influence of forest structure. 3. As canopy cover decreased, microclimate temperatures became more similar to macroclimate temperatures, reducing the forest's thermal buffering capacity. Once canopy cover dropped below 50%, temperatures were amplified rather than buffered. Additionally, lower stand densities were linked to higher soil moisture levels. 4. Microclimatic conditions significantly affected both the activity- density and species richness of macroarthropod communities. Woodlice profited from temporarily elevated forest floor temperatures if soil moisture was sufficient, while prolonged high temperatures negatively affected ground beetles. Ground beetles benefited from reduced canopy cover and increased deadwood, while woodlice preferred oak- dominated stands. 5. Synthesis and applications. To sustain a stable and well- buffered microclimate, we recommend maintaining canopies as closed as possible. Even small openings reduce the forest's ability to buffer temperature, with canopy covers below 50% leading to temperature amplification. Closed canopies should be combined with isolated canopy gaps to promote habitat heterogeneity. Additionally, deadwood amounts should increase to provide shelter during droughts. This balanced management approach fosters stable forest microclimates and diverse habitats, supporting long- and short- term macroarthropod biodiversity in temperate broadleaf forests.
Located in Library / RBINS Staff Publications 2025
Article Reference Contrasting genetic differentiation of urban and rural popul 1 ations of two grassland 2 lepidopterans across Europe
Located in Library / RBINS Staff Publications 2025
Article Reference Étude des pathologies bucco-dentaires dans trois populations mérovingiennes de Belgique
Notre étude porte sur les pathologies bucco-dentaires de trois sites mérovingiens de Belgique (Ciply, Braives et Torgny) : plus particulièrement les caries, les abcès et les pertes ante-mortem (PAM). Nous analysons l’impact de diverses variables, telles que le site archéologique, le type de dent, le sexe et l’âge au décès sur la fréquence de ces trois pathologies. Avec un total de 4599 dents étudiées pour un effectif de 423 individus, nos résultats montrent que le nombre de dents conservées varie significativement selon le site d’origine, suggérant que celui-ci exerce une influence notable sur l’état de conservation des squelettes. Nos données montrent que la présence de caries et d’abcès dépend aussi du site. Ainsi, 63 % des Mérovingiens souffraient de caries, avec les plus fortes prévalences à Braives, tandis que l’abcès est présent chez 23 % des sujets avec une fréquence plus élevée à Ciply. Par contre, le nombre de PAM, qui touchait 65 % des individus, ne varie pas selon le site. La combinaison de plusieurs pathologies est observée chez 12 % des individus, avec des taux plus élevés à Ciply et Braives. Pour les trois pathologies, les dents les plus atteintes sont les molaires et, en ce qui concerne les caries, on observe un taux légèrement plus haut du côté droit, laissant penser à une préférence de côté pour la mastication. Concernant l’impact du sexe, les hommes montrent une prédominance de PAM et de caries par rapport aux femmes, mais celles-ci ont une fréquence légèrement plus élevée d’abcès. Comme attendu, les pourcentages de PAM et de caries augmentent avec l’âge chez les adultes. Notre étude révèle que les prévalences des pathologies bucco-dentaires sont influencées par tous les facteurs envisagés. Des inégalités de régime alimentaire et d’hygiène bucco-dentaire pourraient expliquer les différences liées au sexe et à la localisation géographique.
Located in Library / RBINS Staff Publications 2025
Article Reference Geology, landscapes and natural ornamental stones of the civitas Treverorum.
Located in Library / RBINS Staff Publications 2025
Article Reference BASE – BAsicranial Sex Estimation: An R package for sexing adult western European individuals from the cranial base morphometry in bioarchaeology and forensic anthropology
Sexing an adult human skeleton from its fragmented remains is a tremendous challenge in both archaeological and forensic contexts. Although reliable sex estimation methods using the os coxae do exist, as well as the possibility of performing a secondary sexual diagnosis within a funerary assemblage, it is essential in the case of fragmented individuals to set up an alternative sex estimation method based on a skeletal element that is both sexually dimorphic and has a high taphonomic survival rate. This study investigated the sexual dimorphism of the cranial base (occipital and temporal bones), through an exclusively metric approach, in 537 identified western European adults. Using logistic regressions, thirteen predictive models were built up, which yielded up to 86.8% accuracy after cross-validation and with a decision threshold of 0.70. BASE is an R package with a graphic user interface that can be used to apply these predictive models to a target adult individual (https://archive.softwareheritage.org/browse/directory/5e3e3753e1f9c360b0ddbebaa2d2b42e5d7686d9). This paper provides measurement definitions, practical details and user recommendations. BASE is a new sex estimation tool which is free of charge, fast and easy to use, and allows anthropologists to collect biological data from larger numbers of individuals, even when their skeletons are highly fragmented and damaged. This new method can certainly contribute to a better understanding of past populations and will be of considerable value to forensic investigations in today’s context of steadily rising numbers of missing persons. BOUCHERIE A. , POLET C. , MARTINE V., LEFÈVRE P., SANTOS F., 2025. BASE – BAsicranial Sex Estimation: An R package for sexing adult western European individuals from the cranial base morphometry in bioarchaeology and forensic anthropology. , (2) :
Located in Library / RBINS Staff Publications 2025
Article Reference A new longirostrine beaked whale Flandriacetus gijseni gen. et sp. nov. (Ziphiidae, Cetacea, Mammalia) from the Tortonian of the North Sea Basin
Located in Library / RBINS Staff Publications 2025
Article Reference Weakened pelagic-benthic coupling on an Arctic outflow shelf (Northeast Greenland) suggested by benthic ecosystem changes
Located in Library / RBINS Staff Publications 2024
Article Reference A new gastrotrich, Musellifer leasiae sp. nov. (Paucitubulatina: Muselliferidae), from Antarctica—the first Muselliferidae species description from the Southern Hemisphere
A new gastrotrich species, Musellifer leasiae sp. nov., is described from the west coast of the Antarctic Peninsula. The species is recognised by its considerable size, up to 415 μm, and by its conspicuous three-lobed, keeled head scales. Besides the new species, the genus Musellifer accommodates five additional species known from the Mediterranean Sea, the Black Sea, the Central-West Atlantic, the Northeast Atlantic, and the Northeast Pacific, and from depths ranging from sublittoral to 5.485 m depth. A representative of Musellifer has previously been reported from Antarctica, but M. leasiae sp. nov. represents the first formally described Muselliferidae species from the Southern Hemisphere, and from the polar regions.
Located in Library / RBINS Staff Publications 2025
Article Reference Antarctic Kinorhyncha: Seven new species from the Antarctic Peninsula
With only three named species, Antarctica is the continent with the least explored kinorhynch biodiversity. The present contribution provides the most comprehensive study of Antarctic kinorhynchs collected along the coast of the West Antarctic Peninsula. Quantitative samples were collected in three regions along the Peninsula: in Andvord Bay Fjord at the Danco Coast, in the Gerlache Strait, and on the open continental shelf west of the Peninsula. Comparison of the sampling areas suggests that the highest kinorhynch abundance was in the Gerlache Strait, where kinorhynchs were over six times more abundant than in Andvord Bay. Lowest abundance was on the open shelf, where the abundance was four times lower than in Andvord Bay. Among all examined specimens 98% were found in the top 4 cm of the sediment. All adult kinorhynchs were identified, and the study revealed the presence of the known Antarctic species Polacanthoderes shiraseae and at least seven species new to science: Condyloderes notios sp. nov., Polacanthoderes grzelakae sp. nov., Echinoderes ahlfeldae sp. nov., E. nataliae sp. nov., E. kathleenhannae sp. nov., E. antarcticus sp. nov., and E. crux sp. nov. In addition to the five new species of Echinoderes, two potentially known species are reported. Echinoderes aff. angustus shows close resemblance to the Arctic E. angustus, and the specimens only differed by their lack of a midventral fissure in segment 2, present in Arctic specimens of E. angustus only. A detailed examination of the E. angustus type material revealed new diagnostic details for the species, i.e., a complete mapping of sensory spots, presence of a middorsal protuberance between segments 10 and 11, and a tergal division of segment 11. Another unidentified species, Echinoderes aff. beringiensis/romanoi/xalkutaat, showed such close resemblance to three congeners that further studies are needed to identify clear diagnostic characters for the species, or alternatively clarify whether they should be synonymised. The comparisons prompted by the two unidentified species led to the suggestion of a new species group, the Echinoderes remanei species group, including E. remanei, E. angustus, E. beringiensis, E. cernunnos, E. drogoni, E. galadrielae, E. obtuspinosus, E. quasae, E. pennaki, E. romanoi, and E. xalkutaat. In addition, the Echinoderes aragorni species group is proposed, including the New Zealand species E. aragorni and the new species E. crux.
Located in Library / RBINS Staff Publications 2025
Article Reference Ant–plant relationships in an Amazonian rainforest understory: A network approach
Located in Library / RBINS Staff Publications 2025