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Article Reference Upward surface movement above deep coal mines after closure and flooding of underground workings
After the mass closures of entire coal mine districts in Europe at the end of the last century, a new phenomenon of surface movement was observed—an upward movement. Although most surface movement (i.e., subsidence) occurs in the months and years after mining by the longwall method, surface movement still occurs many decades after mining is terminated. After the closure and flooding of underground excavations and surrounding rock, this movement was reversed. This paper focuses on quantifying the upward movement in two neighboring coal mines (Winterslag and Zwartberg, Belgium). The study is based on data from a remote sensing technique: interferometry with synthetic aperture radar (INSAR). The results of the study show that the rate of upward movement in the decade after closure is about 10 mm/year on average. The upward movements are not linked directly to the past exploitation directly underneath a location. The amounts of subsidence at specific locations are linked mainly to their positions relative to an inverse trough shape situated over the entire mined-out areas and their immediate surroundings. Local features, such as geological faults, can have a secondary effect on the local variation of the uplift. The processes of subsidence and uplift are based on completely different mechanisms. Subsidence is initiated by a caving process, while the process of uplift is clearly linked to flooding.
Located in Library / RBINS Staff Publications 2018
Article Reference Urban rats as carriers of invasive Salmonella Typhimurium sequence type 313, Kisangani, Democratic Republic of Congo
Located in Library / RBINS Staff Publications 2022
Article Reference Use of Soil and Litter Ants (Hymenoptera: Formicidae) as Biological Indicators of Soil Quality Under Different Land Uses in Southern Rwanda
The use of soil and litter arthropods as biological indicators is a way to assess environmental changes, where ant species in particular may serve as important indicators of soil quality. This study aimed at relating the abundance of soil and litter ant species to soil parameters under different tree species, both native and exotic, and varieties of coffee and banana plantations. Variations were found in soil physicochemical parameters. A total of 30 species belonging to 14 genera, and four subfamilies, the Formicinae, Dorylinae, Myrmicinae, and Ponerinae were identified. Higher abundance was found in coffee plantations compared to banana plantations, exotic and native tree species. Species of Camponotus cinctellus and Odontomachus troglodytes occurred in all land uses which is a sign of tolerance to a wide range of soil properties. In addition, these species, together with Myrmicaria SP02, Phrynoponera gabonensis, Camponotus SP06, Myrmicaria opaciventris, Pheidole SP03, Tetramorium simillimum, Pheidole SP01, and Tetramorium laevithorax were not strongly correlated with soil physicochemical parameters. Species of Pheidole SP02 and Camponotus SP05 were restricted to specific soil physicochemical properties, while species of Tetramorium zonacaciae and Bothroponera talpa discriminated between native tree species, coffee plantations, soil organic carbon, sandy soil texture, and aggregate stability. We concluded that these ant species can differently indicate the soil quality depending on the land use. We recommended further studies in order to generalize these findings
Located in Library / RBINS Staff Publications 2018
Inproceedings Reference Using ancient DNA to identify Bos primigenius in ancient cattle remains from Belgium
Aurochs (Bos primigenius) are the wild ancestors of the domesticated taurine cattle (Bos taurus). During the Holocene, populations of aurochs gradually declined until their extinction at the turn of the 17th century. DNA data suggest that domestic cattle in Europe descended from Near East aurochs that were domesticated and brought to Europe by the first farmers during the Neolithic period. Hybridization occurred more recently in Europe between domestic cattle and local wild aurochs. Most aurochs can be distinguished from domestic cattle osteometrically, but large-sized domestic cattle may be misidentified as aurochs. Based on mitochondrial DNA, most European aurochs differ from domestic cattle (haplogroup “P” versus “T”). With the aim to provide new data on the former distribution of aurochs in Europe, we used mitochondrial DNA to identify large bovid bones attributed to aurochs and dating from Epipaleolithic to medieval times. DNA was extracted from the bones of 11 specimens from Belgium in an ancient DNA lab. Shotgun DNA sequencing provided raw reads comprising 0.02-10% of endogenous DNA. For three samples, reads covered 74-98% of the bovid mitochondrial genome and enabled the identification of one aurochs from the Bronze Age (haplogroup “P”) and two cows from Roman and medieval times (haplogroup “T”). Among the other samples (covering 2-18% of the mitogenome), three Roman specimens could be assigned to the haplogroup “T” based on a few diagnostic positions. This study provides the first mitogenomic data for a Belgian aurochs and contributes to the identification of exceptionally large Roman bovid remains.
Located in Library / RBINS Staff Publications 2023
Article Reference Using DNA barcodes for assessing diversity in the family Hybotidae (Diptera, Empidoidea)
Located in Library / RBINS Staff Publications
Article Reference Using DNA barcodes for diversity assessment in Hybotidae (Diptera, Empidoidea)
Located in Library / RBINS Staff Publications
Article Reference Using MALDI-TOF mass spectrometry to identify ticks collected on domestic and wild animals from the Democratic Republic of the Congo
Located in Library / RBINS Staff Publications 2021
Inproceedings Reference Using molecular techniques to identify organisms of policy concern: Some examples from the BopCo project
Located in Library / RBINS Staff Publications 2016
Inproceedings Reference Using PSI for assessing ground subsidence risk in the Scheldt estuary
Located in Library / RBINS Staff Publications
Article Reference Using Sea cucumbers to illustrate the basics of zoological nomenclature
Located in Library / RBINS Staff Publications