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Article Reference C source code Exchange processes and nitrogen cycling on the shelf and continental slope of the Black Sea basin.
A 3D coupled biogeochemical-hydrodynamical model has been applied to the Black Sea to simulate nitrogen cycling and to estimate the exchange of biogeochemical components at the shelf break and between the continental slope and the deep sea. It was found that biological processes on the northwestern shelf are in approximate balance. Primary production is fueled by river discharge, nitrate input from the open sea at the shelf break, and in situ remineralization. The input of nitrate from the open sea is roughly equivalent to the river nitrate discharge but is half the nitrate export from the shelf toward the open sea. Also, the Black Sea shelf acts throughout the year as a nitrate source for the open sea. The amount of shelf production not remineralized in the euphotic layer is 22.2% and is exported to lower layers (20%) or offshore (2.2%). We estimate that the export of carbon from the shelf to the interior of the basin represents 2.5% of the new production of the open sea. The upper slope adjoining the northwestern shelf is the site of downwelling events responsible for the downward transport to the intermediate layer of the continental slope of biogeochemical components exported from the shelf in the upper layer. The shelf has been found to be an efficient trap for the refractory material discharged by the Danube.
Located in Library / No RBINS Staff publications
Techreport Reference Executive summary, in: Degraer, S. et al. (Ed.) (2013). Environmental impacts of offshore wind farms in the Belgian part of the North Sea: Learning from the past to optimise future monitoring programmes. pp. 9-13
Located in Library / RBINS Staff Publications
Techreport Reference Executive summary, in: Degraer, S. et al. (Ed.) (2016). Environmental impacts of offshore wind farms in the Belgian part of the North Sea: Environmental impact monitoring reloaded. pp. i-ix
Located in Library / RBINS Staff Publications 2016
Techreport Reference Executive Summary. In Degraer S., Brabant R., Rumes B., (Eds.), 2012. Offshore wind farms in the Belgian part of the North Sea: Heading for an understanding of environmental impacts.pp. 1-8
Located in Library / RBINS Staff Publications 2016
Techreport Reference Executive summary. in: Degraer, S. et al. (Eds.) (2017). Environmental impacts of offshore wind farms in the Belgian part of the North Sea: A continued move towards integration and quantification.
Located in Library / RBINS Staff Publications 2017
Inbook Reference Executive summary: Attraction, avoidance and habitat use at various spatial scales
Located in Library / RBINS Staff Publications 2021
Inbook Reference Executive summary: Empirical evidence inspiring priority monitoring, research and management
Located in Library / RBINS Staff Publications 2020
Article Reference Expanding the swimmer’s itch pool of the Benelux: a first record of the neurotropic Trichobilharzia regenti and potential link to human infection
Located in Library / RBINS Staff Publications 2024
Inproceedings Reference Expanding the swimmer’s itch pool: a first record of Trichobilharzia regenti in Belgium
Located in Library / RBINS Staff Publications 2024
Inproceedings Reference Expanding the swimmer’s itch pool of Belgium: a first record of Trichobilharzia regent
Introduction: Swimmer's itch (or cercarial dermatitis) is caused by avian and mammalian blood flukes, a parasitic infection affecting people worldwide. In particular, avian blood flukes of the genus Trichobilharzia, including Trichobilharzia regenti, are known for causing swimmer's itch. While these parasites typically infect waterfowl as final hosts, incidental infections in humans by cercariae can occur. Such infections trigger immune responses leading to painful, itchy skin lesions. In experimental animals, T. regenti has however shown the ability to evade immune responses, causing neuroinflammation. Recent decades have witnessed an increase in swimmer's itch cases across Europe, turning it into an emerging zoonosis. Methods: Following a swimmer's itch case in Kampenhout (Belgium) in 2022, a malacological and parasitological survey was conducted at the transmission site, consisting of a private pond and adjacent creek. Results: Six snail species were collected, including Ampullaceana balthica, a common intermediate host for Trichobilharzia parasites. Shedding experiments and DNA barcoding identified one snail specimen infected with T. regenti, a new species record for Belgium. This finding further strengthens the link between T. regenti and cercarial dermatitis. Additionally, Echinostomatidae sp. and Notocotylus sp. were isolated from other A. balthica specimens. However, the absence of reference DNA sequences hindered genus- and species-level identification for these parasites. Conclusions: The presence of T. regenti in Belgium may have significant clinical implications, emphasizing the need for heightened diagnostic awareness among medical professionals. The lack of species-level identification for other parasite species underscores the need for comprehensive DNA databases for trematodes. These findings reveal the necessity for a Belgian framework to promptly detect and monitor zoonotic outbreaks of trematode parasites within the One Health context.
Located in Library / RBINS Staff Publications 2025