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Prof. De Clerck, Olivier


His research focuses on diversity and distributions of marine macroalgae, where he addresses questions ranging from purely descriptive taxonomic studies to more ecologically oriented studies forecasting the distribution of species in relation to environmental changes. With respect to the latter he was involved in the development of Bio-ORACLE, a set of GIS rasters providing marine environmental information for global-scale applications that can be used for Ecological Niche Modeling. Next to descriptive taxonomic work, he’s intrigued by the effect of recent technological developments (e.g DNA-sequencing technology) on our understanding of algal species boundaries, global diversity estimates, biodiversity patterns and current taxonomic practices. A more recent line of interest concerns our focus on the interplay of algal community structure, evolutionary relatedness of the composing species and functional trait diversity. Thereto, he initiated the establishment of a trait database for marine macroalgae (Emodnet framework). The focus here is on European seaweed diversity which is under severe pressure from both local as well as global stressors. A first version of this trait database lists life history, ecological and morphological characteristics of all European seaweed genera (~ 800 genera). Gradually, however, this framework is refined to species-level.

Thesaurus term: Macroalgae

Institutes (5)  Top | Institutes | Publications | Projects | Datasets 
  • Universiteit Gent; Faculteit Wetenschappen; Vakgroep Biologie; Onderzoeksgroep Fycologie, more
  • Function: Lecturer
    Direct contact at institute:
    Tel.: +32-(0)9-264 85 00
    Fax: +32-(0)9-264 85 99
  • Oceans & Lakes : Master of Marine and Lacustrine Science and Management, more
  • Function: Lecturer
    Direct contact at institute:
  • VLIZ Belgian Marine Species Consortium, more
  • AlgaeTraits eds., more
  • Function: Thematic editor
  • WoRMS Editorial Board (WoRMS editors), more
  • Function: Thematic editor
Voordracht VLIZ Aanmoedigingspijs 2004

Projects (11)  Top | Institutes | Publications | Projects | Datasets 
  • Belgian Register of Marine & Coastal Species, more
  • Diversiteit en evolutie van bacteriële symbionten in de Siphonocladales (Chlorophyta) en hun effecten op groei en morfogenese van de gastheer, more
  • Endosymbiotische bacteriën in coenocytische groenwieren. Verkenning van een partnerschap., more
  • Evolutionaire dynamiek van macro-ecologische niches bij zeewieren, more
  • Evolutionary biogeography and systematics of the Halymeniaceae (Rhodophyta) in the western Indian Ocean, more
  • Niet-inheemse soorten in het Belgisch deel van de Noordzee en omliggende estuaria, more
  • Revisie van het Dictyota-Dilophus complex (Phaeophyta) in de Indische Oceaan. I, more
  • Revisie van het Dictyota-Dilophus complex (Phaeophyta) in de Indische Oceaan. II, more
  • Spatiotemporele variatie in bentische macrowiergemeenschappen van de Arabische Zee, more
  • Systematics and evolutionary biogeography of the genus Halimeda (Chlorophyta), with emphasis on the Indian Ocean., more
  • The Algal Microbiome: Friends and Foes, more

Datasets (7)  Top | Institutes | Publications | Projects | Datasets 
  • AlgaeTraits: AlgaeTraits eds. (2024). AlgaeTraits: a trait database for (European) seaweeds. Accessed at on yyyy-mm-dd, more
  • Bio-Oracle v2: Assis, J., Tyberghein, L., Bosh, S., Verbruggen, H., Serrão, E. A., & De Clerck, O. (2017). Bio-ORACLE v2.0: Extending marine data layers for bioclimatic modelling. Global Ecology and Biogeography (DOI:10.1111/geb.12693), more
  • Bio-Oracle v3: Assis, J.; Fernández Bejarano, S.J.; Salazar, V.W.; Schepers, L.; Gouvêa, L.; Fragkopoulou, E.; Leclercq, F.; Vanhoorne, B.; Tyberghein, L.; Serrão, E.A.; Verbruggen, H.; De Clerck, O. (2024). Bio-ORACLE v3.0. Pushing marine data layers to the CMIP6 Earth system models of climate change research. Glob. Ecol. Biogeogr. Early view: e13813. (DOI: 10.1111/geb.13813), more
  • Roels T.; Coppejans E.; Laboratorium Plantkunde; Vakgroep Biologie; Faculteit Wetenschappen. Universiteit Gent: Belgium; (2016): Ceramiaceae along the East-African coast sampled between 1985 and 1997., more
  • Bio-Oracle: Tyberghein L., Verbruggen H., Pauly K., Troupin C., Mineur F. & De Clerck O. Bio-ORACLE: a global environmental dataset for marine species distribution modeling. Global Ecology and Biogeography (DOI: 10.1111/j.1466-8238.2011.00656.x)., more
  • Vieira, Christophe et al. (2021), Global biogeography and diversification of a group of brown seaweeds (Phaeophyceae) driven by clade-specific evolutionary processes, Dryad, Dataset,, more
  • Vranken, S.; Robuchon, M.; Dekeyzer, S.; Bárbara, I.; Bartsch, I.; Blanfuné, A.; Boudouresque, C.-F.; Decock, W.; Destombe, C.; de Reviers, B.; Díaz-Tapia, P.; Herbst, A.; Julliard, R.; Karez, R.; Kersen, P.; Krueger-Hadfield, S.A.; Kuhlenkamp, R.; Peters, A.F.; Peña, V.; Piñeiro-Corbeira, C.; Rindi, F.; Rousseau, F.; Rueness, J.; Schubert, H.; Sjøtun, K.; Sansón, M.; Smale, D.; Thibaut, T.; Valero, M.; Vandepitte, L.; Vanhoorne, B.; Vergés, A.; Verlaque, M.; Vieira, C.; Le Gall, L.; Leliaert, F.; De Clerck, O. (2022). AlgaeTraits: a trait database for (European) seaweeds., more

Publications (362)  Top | Institutes | Publications | Projects | Datasets 
A1 Publications (243) [show]
Peer reviewed publications (7) [show]
Books (4) [show]
Book chapters (37) [show]
Thesis [show]
Abstracts (30) [show]
Report [show]
Other publications (16) [show]
Thesis (co-)promotor (22) [show]
Thesis supervisor [show]

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