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Book Reference Bedforms as Benthic Habitats: Living
on the Edge, Chaos, Order and Complexity
Bedforms as benthic habitats are studied increasingly as acquisition and analysis of acoustic data improve in capturing, visualizing and quantifying terrain variables on various scales. However, feedback mechanisms between geomorphology and benthos are not always clear and complexity increases where humans also affect the benthos-landscape relationship. Based on research-oriented seabed mapping along the Belgian part of the North Sea (BPNS), a synthesis is provided on where increased biodiversity has been observed in relation to active bedforms.
Located in Library / RBINS Staff Publications 2017
Book Reference Building a 4D Voxel-Based Decision Support System for a Sustainable Management of Marine Geological Resources
For sustainable management of marine geological resources, a geological knowledge base is being built for the Belgian and southern Netherlands part of the North Sea. Voxel models of the subsurface are used for predictions on sand and gravel quantities and qualities, to ensure long-term resource use. The voxels are filled with geological data from boreholes and seismic lines, but other information can be added also. The geology provides boundary conditions needed to run environmental impact models that calculate resource depletion and regeneration under various scenarios of aggregate extraction. Such analyses are important in monitoring progress towards good environmental status, as outlined in the Marine Strategy Framework Directive. By including uncertainty, data products can be generated with confidence limits, which is critical for assessing the significance of changes in the habitat or in any other resource-relevant parameter. All of the information is integrated into a cross-domain, multi-criteria decision support system optimised for user-friendliness and online visualisation.
Located in Library / RBINS Staff Publications 2017
Article Reference Cryptic diversity and ecosystem functioning: a complex tale of differential effects on decomposition
Marine ecosystems are experiencing accelerating population and species loss. Some ecosystem functions are decreasing and there is growing interest in the link between biodiversity and ecosystem functioning. The role of cryptic (morphologically identical but genetically distinct) species in this biodiversity-ecosystem functioning link is unclear and has not yet been formally tested. We tested if there is a differential effect of four cryptic species of the bacterivorous nematode Litoditis marina on the decomposition process of macroalgae. Bacterivorous nematodes can stimulate or slow down bacterial activity and modify the bacterial assemblage composition. Moreover, we tested if interspecific interactions among the four cryptic species influence the decomposition process. A laboratory experiment with both mono- and multispecific nematode cultures was conducted, and loss of organic matter and the activity of two key extracellular enzymes for the degradation of phytodetritus were assessed. L. marina mainly influenced qualitative aspects of the decomposition process rather than its overall rate: an effect of the nematodes on the enzymatic activities became manifest, although no clear nematode effect on bulk organic matter weight loss was found. We also demonstrated that species-specific effects on the decomposition process existed. Combining the four cryptic species resulted in high competition, with one dominant species, but without complete exclusion of other species. These interspecific interactions translated into different effects on the decomposition process. The species-specific differences indicated that each cryptic species may play an important and distinct role in ecosystem functioning. Functional differences may result in coexistence among very similar species.
Located in Library / RBINS Staff Publications 2016
Article Reference Active dispersal is differentially affected by inter- and intraspecific competition in closely related nematode species (vol 124, pg 561, 2016)
Located in Library / RBINS Staff Publications 2016
Article Reference Bostryx hennahi (Gray, 1828) the largest Chilean bulimulid (Mollusca: Pulmonata) rediscovered among Tillandsia communities in northern Chile
Located in Library / RBINS Staff Publications 2016
Article Reference The land Mollusca of Saint Kitts and Nevis (Lesser Antilles), with description of a new species
Located in Library / RBINS Staff Publications 2016
Article Reference Synopsis of Central Andean Orthalicoid land snails (Gastropoda, Stylommatophora), excluding Bulimulidae
Located in Library / RBINS Staff Publications 2016
Article Reference A new species of Bothriembryon (Mollusca, Gastropoda, Bothriembryontidae) from southeasternmost Western Australia
Located in Library / RBINS Staff Publications 2016
Article Reference Combining mitochondrial DNA and morphological data to delineate four new millipede species and provisional assignment to the genus Apeuthes Hoffman & Keeton (Diplopoda : Spirobolida : Pachybolidae : Trigoniulinae)
Located in Library / RBINS Staff Publications 2022 OA
Article Reference MEMO: Monitoring of exotic mosquitoes in Belgium
Located in Library / RBINS Staff Publications 2022