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Techreport Reference Optimizing phytoplankton time series analysis in the North Sea in support of trophic synchronization studies of sole larvae. Poster presented at the "The Future of Oparational Oceanography 2013 (FUTOORE)" Hamburg, 8 - 10 October 2013
Located in Library / RBINS Staff Publications
Techreport Reference Ecosystem Models as Support to Eutrophication Management in the North Atlantic Ocean (EMOSEM). In: "Estuaries and Coastal areas in times of intense change (ECSA53)", Shanghai (China), 13-17 October 2013.
A major challenge in EU marine governance is to reach the good environmental status (GES) in the north-eastern Atlantic (NEA). Existing approaches do not integrate the eutrophication process in space (continuum river-ocean) and in time (past, present and future status). A strong need remains for (i) knowledge/identification of all the processes that control eutrophication and its consequences, (ii) consistent and harmonized reference levels assigned to each eutrophication-related indicator, (iii) identification of the main rivers directly or indirectly responsible for eutrophication nuisances in specific areas, (iv) an integrated transboundary approach and (v) realistic and scientific-based nutrient reduction scenarios. The SEAS-ERA project EMoSEM aims to develop and combine the state-of-the-art modelling tools describing the river-ocean continuum in the NEA continental seas with the objective to: (i) suggest innovative ecological indicators to account for HABs in the GES definition, (ii) estimate the needs to reach GES in all marine areas (distance-to-target requirement, DTTR), (iii) identify “realistic” scenarios of nutrient reduction in the river watersheds of NEA and (iv) assess the impact of the “realistic” scenarios in the sea, and compare to DTTR. Marine ecological models will be used to track the nutrients in the sea, and trace back their riverine or oceanic sources with the transboundary nutrient transport method (TBNT). TBNT application is a prerequisite for DTTR estimates. A generic watershed model applied to NEA rivers will calculate terrestrial nutrient exports to the sea under different scenarios: (i) A past “pristine-like” scenario, where natural nutrient exports are estimated in the absence of human influence and (ii) a series of future “realistic” scenarios, where different wastewater treatments and agricultural practices are combined. EMoSEM will deliver coupled river-coastal-sea mathematical models and will provide guidance to end-users (policy- and decision makers) for assessing and combating eutrophication problems in the NEA continental waters.
Located in Library / RBINS Staff Publications
Article Reference Biogeomorphology in the field: bedforms and species, a mystic relationship.
In: Van Lancker, V. and T. Garlan (Eds.), MARID 2013. Fourth International Conference on Marine and River Dune Dynamics, Bruges, Belgium, 15-17 April 2013, Royal Belgian Institute of Natural Sciences and SHOM. VLIZ Special Publication 65 – Flanders Marine Institute (VLIZ), Oostende, Belgium, 277-284.
Located in Library / RBINS Staff Publications
Article Reference Decifering mega-ripple variability in an anthropogenically-steered environment: implications for mine burial studies.
In: Van Lancker, V. and T. Garlan (Eds.), MARID 2013. Fourth International Conference on Marine and River Dune Dynamics, Bruges, Belgium, 15-17 April 2013, Royal Belgian Institute of Natural Sciences and SHOM.
Located in Library / RBINS Staff Publications
Techreport Reference Biogeomorphological self-organization in sandy shelf seas. In: V. Van Lancker & T. Garlan (Eds.), MARID 2013, 4th International Conference on Marine and River Dune Dynamics. Bruges, Belgium. 15-17 April 2013 (pp. 53-57). Oostende, Belgium: VLIZ.
Located in Library / RBINS Staff Publications
Techreport Reference Assessing bivalve's distribution as a response to phytoplankton/inorganic suspended particles ratio in the Belgian coastal zone: a trait based model. Communication at the 45th International Liège Colloquium on Ocean Dynamics, Liège, Belgium, 13-17/5/2013
Located in Library / RBINS Staff Publications
Inproceedings Reference Evidences for several species within the cosmopolitan eurybathic deep-sea lysianassoid amphipod Eurythenes gryllus s.l.
Eurythenes gryllus (Lichtenstein, 1822) is a presumed cosmopolitan eurybathic benthopelagic giant deep-sea amphipod. However, previous studies already highlighted genetically divergent lineages in the Atlantic and Pacific Oceans, which appeared to be vertically stratified, and minor morphological differences between populations were also recorded. With an aim to quantify the geographic and bathymetric patterns of genetic variations, the genetic diversity in Eurythenes gryllus was investigated at the global scale (Arctic, Atlantic, Pacific and Southern Oceans) using three different genes (COI, 16S rRNA, 285 rRNA). This genetic analysis was accompanied by a thorough morphological study. Phylogenetic and phylogeographic analyses revealed the existence of at least eight well-supported clades, two bathyal and six abyssal, which were separated by genetic distances at the level of usual interspecific divergences. A subsequent morphological analysis confirmed the genetic findings and revealed small but consistent differences between the different clades, which will be described as separate species. Furthermore, a clear genetic break was observed between specimens sampled above and below 3000 m. This bathymetric break below 3000 m has already been reported for several organisms and regions, suggesting its role as a ubiquitous phylogeographic barrier for barophysical tolerance. The Eurythenes clade, comprising specimens sampled at bathyal sites in the Arctic and Southern Oceans, is presumably the true E. gryllus. This represents, to our knowledge, the first molecular evidence for a bipolar distribution in a macro-benthic deep-sea organism. The present results clearly highlight the difficult nature of research on the systematics of deep-sea crustaceans and shows that the abyss is a more complex environment than previously assumed, likely to harbour an important hidden diversity.
Located in Library / RBINS Staff Publications
Article Reference Molecular species definitions and phylogeographic patterns in non-marine ostracods.
Located in Library / RBINS Staff Publications
Article Reference A revision of Western Australian Bennelongia (Crustacea, Ostracoda, Cyprididae) – the complementarity of molecular and morphological studies.
Located in Library / RBINS Staff Publications
Article Reference Integrative analyses of valve outlines and molecular DNA sequences in Eucypris virens (Crustacea, Ostracoda)
Located in Library / RBINS Staff Publications