Search publications of the members of the Royal Belgian institute of natural Sciences
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Acoustically tagging Atlantic cod - the silver bullet to investigate behaviour?
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Offshore wind farms significantly alter fish community structure - Aggregation of Atlantic cod and pouting
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Non-indigenous species in the North-East Atlantic.
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Does it really matter?
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An ecosystem approach towards beach spatial planning
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Offshore wind farms as productive sites for fishes?
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Bird monitoring at the Belgian offshore wind farms: results after five years of impact assessment
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The macro- and megabenthic fauna on the continental shelf of the eastern Amundsen Sea, Antarctica.
- In 2008 the BIOPEARL II expedition on board of RRS James Clark Ross sailed to the eastern Amundsen Sea Embayment and Pine Island Bay, one of the least studied Antarctic continental shelf regions due to its remoteness and ice cover. A total of 37 Agassiz trawls were deployed at depth transects along the continental and trough slopes. A total of 5469 specimens, belonging to 32 higher taxonomic groups and more than 270 species, were collected. Species richness per station varied from 1 to 55. The benthic assemblages were dominated by echinoderms and clearly different to those in the Ross, Scotia and Weddell seas. Here we present the macro- and megafaunal assemblage structure, its species richness and the presence of several undescribed species.
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First occurrence of a Hymenosomatid crab Elamena mathoei (Desmarest, 1823) (Crustacea: Decapoda: Brachyura) in the Mediterranean Sea.
- Mediterranean fauna is undergoing drastic modifications as a result of anthropogenic activities and global warming. The most important of these is the colonization of the Mediterranean Sea by alien species, many of them entering through the Suez Canal. While many of them are still confined to the Levant Basin, several have extended their distribution westwards to Tunisian waters. The presence of the Indo-west Pacific hymenosomatid crab Elamena mathoei on a rocky shore at Sidi Daoud, Cape Bon Peninsula, Tunisia, is the first Mediterranean record of this species. It is a testimony to the changes in the patterns of invasion in the Mediterranean Sea.
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Food security versus biodiversity protection: an example of land-sharing from East Africa
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Science-policy challenges for biodiversity, public health and urbanization: Examples from Belgium
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Mind the gaps when using science to address conservation concerns.
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Effects of temperature, pH and nutrient concentrations on branched GDGT distributions in East African lakes: Implications for paleoenvironmental reconstructions
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The BiodivERsA database: Analysis of the competitive funding landscape for research on biodiversity and ecosystem services in Europe
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Chironomid paleoecology in Africa
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BiodivERsA 2011-2012 Project Call Brochure: Biodiversity Dynamics (Developing scenarios, identifying tipping points and improving resilience
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Fish in the desert? The Younger Dryas and its influence on the paleoenvironment at Baaz Rockshelter, Syria
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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.
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« Biosyst.EU 2013 – Global Systematics! Compte rendu des journées : 18-22 février 2013, Vienne, Autriche
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Linking present environment and reproductive modes segregation (Geographic parthenogenesis) in Eucypris virens (Crustacea: Ostracoda).
