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Ecology of Devonian ostracods: application to the Frasnian/Famennian boundary bioevent in the type region (Dinant Synclinorium, Belgium)
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RBINS Staff Publications 2017
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Ecomorphology of toothed whales (Cetacea, Odontoceti) as revealed by 3D skull geometry
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RBINS Staff Publications 2023
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Economic feasibility studies for Carbon Capture and Utilization technologies: a tutorial review
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Carbon Capture and Utilization (CCU) involves the capture and use of CO2 as a resource to create valuable products. The competitiveness of various CCU technologies has been investigated frequently resulting in a variety of economic feasibility studies and economic indicators. This study performs a tutorial review, in which practical guidance is given on the implementation of Techno-Economic Assessments (TEAs) for chemical CCU technologies. The tutorial review maps the differences in the methods and assumptions of economic feasibility studies for CCU technologies and advises how these studies can be improved in the future. A TEA framework, drafted by the CCU research community, is used as a benchmark in this review, to allow for objective comparisons between various economic feasibility studies. The four phases of an exhaustive TEA are (I) goal and scope, (II) data inventory, (III) calculation of indicators and (IV) interpretation. The tutorial review reveals that economic feasibility studies for chemical CCU technologies can and should be improved in various manners. Phases I and II are often skipped or incomplete. In Phase III, a very diverse indicator set is observed, which hampers comparability across CCU technologies. Phase IV, the interpretation of results, is often missing in the literature set or lacks thorough uncertainty and sensitivity analyses. The comparison with the TEA framework revealed the diversity in assumptions and methodological choices in the literature set. These findings suggest that future economic feasibility studies should be made in a more standardized way to improve both the quality and comparability of economic feasibility studies. Four improvements to the TEA framework are suggested: (i) focussing more on the impact of technical parameters in sensitivity analyses, (ii) adapting the assessment to the TRL of the technology, (iii) implementing ROA in the TEA and (iv) integrating an environmental assessment or LCA with the TEA. Further research is needed to investigate how Real Options Theory can be integrated into conventional TEA frameworks to analyse the investment decision in CCU technologies in a dynamic setting.
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RBINS Staff Publications 2021 OA
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Economic plants from medieval and post-medieval Brussels (Belgium), an overview of the archaeobotanical records.
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Archaeobotanical research in the city centre of Brussels is still in its infancy. However, the increasing amount of carpological data collected during the last two decades permits a first review. In this paper a synthesis of identified seeds and fruits of economic plants from ten sites in Brussels is presented. It comprises data from 53 archaeological features, dated between the 8th and 20th century. The majority of the remains are preserved through waterlogging and were found during archaeological rescue excavations in the Senne alluvial valley. Charred remains were regularly found as well, but in smaller quantities. They are the most abundantly identified remains in the topographically higher parts of Brussels. Some mineralized plant remains are also determined, mainly found in cesspits. Diachronic and local differences in the archaeobotanical assemblages are discussed. Plant remains from the pre-urban phase (before 1200 AD) show a variety of different cereal species and shed light on some locally cultivated pulses, vegetables, fruits and kitchen herbs. In the late medieval phase (13th e15th c.) the economic plant spectrum enlarges, with exotic imports from Africa, Asia and southern Europe. From the 17th century onwards introductions from America appear.
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RBINS Staff Publications 2017
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Economic threshold of CO2-EOR and CO2 storage in the North Sea: a case study of the Claymore, Scott and Buzzard oil fields
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No RBINS Staff publications
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Ecophysiology of dorsal versus ventral cuticle in flattened sawfly larvae.
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Platycampus larvae are highly cryptic leaf feeders characterised by a dorso-ventrally flattened body, the dorsal integument resembling a shield. Dorsal and ventral cuticles from Platycampus luridiventris were compared by histology and gel electrophoresis. By Azan-staining, a red and a blue layer were distinguished in the dorsal cuticle, while the ventral cuticle showed one, almost uniform blue layer, as in both cuticles of control species. The two cuticles from P. luridiventris had similar amounts and sodium dodecyl sulphate-polyacrylamide gel electrophoresis profiles of soluble proteins, but not insoluble proteins. One insoluble protein (MW approximately 41 kDa) was visible as a large band in the ventral cuticle only. It is likely that this protein renders the cuticle elastic, and that the dorsal, red layer is the exocuticle, mainly composed of insoluble proteins. We discuss eco-physiological implications of the exocuticle in insects. Further, data from the literature indicate that the defence strategy in P. luridiventris larvae relies on being visually cryptic towards avian predators and tactically cryptic towards arthropod predators and parasitoids. Crypsis in both senses is favoured by the shield effect, itself based on an abnormally thick dorsal exocuticle. Although the larvae are external feeders, they may be considered as hidden from an ecological perspective.
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RBINS Staff Publications
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Ecosystem model (MODECOGeL) of the Ligurian Sea revisited. Seasonal and interannual variability due to atmospheric forcing.
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A one-dimensional coupled hydrodynamical–biological model, MODèle d'ECOsystème du G.H.E.R. et du L.O.V. (MODECOGeL), of the water column is developed and applied to the Ligurian Sea (North Western Mediterranean). It is an extended and improved version of the model presented by Lacroix and Nival [J. Mar. Syst. 16 (1998) 23]. The hydrodynamic model is a 1D version of the 3D turbulent closure G.H.E.R. model, which takes into account momentum and heat surface fluxes computed from a real meteorological data set. The ecosystem model is defined by a nitrogen cycle described by 12 biological state variables including several plankton size classes and an explicit description of the bacterial loop. One data set coming from the FRONTAL missions is used to initialise and validate the model. To assess the impact of the interannual variability of the meteorological conditions on the ecosystem dynamics, the coupled model is run with 4-year real meteorological conditions (October 1984–September 1988). The model estimated percentages of the interannual variability of the annual mean biomass of phytoplankton, zooplankton and bacteria respectively of 31.0%, 16.2% and 16.3%. The contribution of the zooplankton related to the total plankton biomass (phytoplankton, zooplankton and bacteria) has been found to be the most sensitive to the meteorological conditions variations (21%), followed by the phytoplankton (12%) and finally, by the bacteria (5%). The model estimated percentages of interannual variability of the annual gross primary production, the annual mean f-ratio and the annual bacterial production respectively of 27.9%, 18.5% and 13.4% although the interannual variability of the real winds conditions is only of 11.3%. Due to the more windy and less sunny conditions prevailing during the years “1985–1986” and “1986–1987”, the annual primary production was found higher than during the years “1984–1985” and “1987–1988”. The bacterial production is always greater than the primary production, showing the importance of the bacteria in such an oligotrophic environment. On a seasonal scale, the highest interannual variability of the primary production and the f-ratio is found in spring like for the wind intensity.
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No RBINS Staff publications
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Edgard CASIER (15 octobre 1904 25 février 1976). Notice biographique
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RBINS Staff Publications 2016
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Editorial
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RBINS Staff Publications
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Editorial to the topical collectio INTERCOH 2015
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RBINS Staff Publications 2019
