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Article Reference Troff document Effect of short-term hypoxia on the feeding activity of abundant nematode genera from an intertidal mudflat
The effect of short-term hypoxia (6 days) on the feeding activity of abundant nematode genera was investigated by means of a tracer experiment. Nematodes were sampled from the Paulina intertidal flat in the Westerschelde estuary (south-west Netherlands) and incubated with 13C pre-labelled diatoms at the sediment-water interface in oxic and hypoxic treatments. In general, specific uptake and uptake of carbon per unit of nematode carbon were low in all studied genera, which indicated that the added diatoms represented a limited food source for the investigated nematode genera. Results from such a low uptake are difficult to interpret; however, there was no significant decrease in feeding activity of all dominant nematodes in the hypoxic treatments. The low carbon uptake might be related to low access of nematodes and their low feeding preference to the added diatoms in the experimental cores.
Located in Library / RBINS Staff Publications 2016
Article Reference Effect of water quality on blackflies (Diptera: Simuliidae) in Flanders (Belgium)
Located in Library / RBINS Staff Publications
Article Reference Effectiveness of different Heterorhabditis isolates from Southern Benin for biocontrol of subterranean termite, Macrotermes bellicosus (Isoptera: Macrotermitinae) in laboratory trials
Located in Library / RBINS Staff Publications
Article Reference Effects of an experimental resource pulse on the macrofaunal assemblage inhabiting seagrass macrophytodetritus
Located in Associated publications / Belgian Journal of Zoology / Bibliographic References
Article Reference Effects of aquatic biofilms on flocculation processes of cohesive sediments: A modeling approach
Located in Library / RBINS Staff Publications 2019
Article Reference Effects of elevational range shift on the morphology and physiology of a carabid beetle invading the sub-Antarctic Kerguelen Islands
Located in Library / RBINS Staff Publications 2020
Article Reference Effects of extreme meteorological conditions on coastal dynamics near a submarine canyon.
A 3-D hydrodynamic model is applied to assess shelf/slope exchanges in the Calvi Canyon region (Corsica, NW Mediterranean) during the violent storm that affected the Western Europe in December 1999. Simulations are carried out using high-frequency sampling meteorological data to take into account the short-term variability of the atmospheric conditions. It is shown that the combined effects of canyon topography and of the wind forcing during the storm are responsible for a large increase of both cross-shore and vertical transports in the area. Strong downwelling motion is simulated all along the continental slope with vertical velocities up to 2 cm s−1 within the canyon. High turbulent diffusion levels are obtained leading to the complete mixing of the water column within the canyon. Results suggest that increased turbulent diffusion and downwelling circulation in the canyon during the storm should result in a large transport of coastal water towards the abyssal plain.
Located in Library / No RBINS Staff publications
Article Reference Effects of flood pulses on persistence and variability of pleuston communities in a tropical floodplain lake
Large rivers in tropical regions can experience strong variations of abiotic factors owing to the occurrence of flood pulses. Both man-made and natural floods can cause pulses with varying intensity and duration. Here, we test the hypothesis that ostracod communities in the pleuston of floating plants are persistent during regular pulses and more variable during extreme floods. Ostracod communities were monitored in the Manezinho Backwater of the Upper Parana´ River floodplain (Brazil) for 83 months (seven hydrologic cycles). Flood pulses directly influenced the abiotic variables, which in turn were correlated with the species composition and abundance of ostracods. Variability in the species composition differentiated only between the limnophase of cycle 4 (L4: 2009) and the subsequent extreme flood of cycle 5 (P5: 2009–2010). The longer duration and higher intensity of the extreme flood can increase the exchange of organisms through the aquatic connections between the lake and the river and can potentially trigger the hatching of dry-resistant eggs, increasing variability in ostracod species composition. The absence of significant differences in the species composition variability between the other succeeding periods shows that these communities are persistent and buffered to the effects of natural pulses of short durations.
Located in Library / RBINS Staff Publications 2018
Article Reference Effects of genotype and environment on phenotypic variability in Limnocythere inopinata (Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications
Proceedings Reference Effects of Offshore Wind Farms on the Early Life Stages of Dicentrarchus labrax
Anthropogenically generated underwater noise in the marine environment is ubiquitous, comprising both intense impulse and continuous noise. The installation of offshore wind farms across the North Sea has triggered a range of ecological questions regarding the impact of anthropogenically produced underwater noise on marine wildlife. Our interest is on the impact on the "passive drifters," i.e., the early life stages of fish that form the basis of fish populations and are an important prey for pelagic predators. This study deals with the impact of pile driving and operational noise generated at offshore wind farms on Dicentrarchus labrax (sea bass) larvae.
Located in Library / RBINS Staff Publications 2016