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  • Behzad Mostajir

Email :
Organisme :
CNRS
Grade / Titre :
Directeur de Recherche
Lieu géographique :
Montpellier
Gouvernance :
CDE-Représentant(e) dispositif
Ambitions :
Dresser l’état des lieux de la biodiversité marine, Comprendre et modéliser le fonctionnement et l’évolution des organismes et des écosystèmes marins, Evaluer les causes de la perte de la biodiversité marine, Développer un océan numérique pour protéger la biodiversité marine
Dispositifs :
DAL
Projets :
AQUACOSM, AQUACOSM-plus, JERICO-S3, ANR RESTORE, Ny-Ålesund-Plankton, ANOXITO
Observatoires :
REC-THAU, SOMLIT-Sète, Suivi-Thau, COAST_HF
Disciplines :
Biologie des organismes, Ecologie des populations et des communautés, Ecologie microbienne, Ecophysiologie, Modélisation des populations et des écosystèmes, Océanographie
Modèles biologiques :
Virus, Bactéries et archées, Phytoplancton, Zooplancton, Bivalves
Ecosystèmes :
Ecosystèmes côtiers et littoraux, Ecosystèmes lagunaires
Zones d'études :
Méditerranée, Golfe du Lion
Biographie :
Activité scientifique : Étude des interactions entre les micro−organismes du réseau microbien marin (virus, bactéries, phytoplancton et proto−zooplancton) ainsi que sur les effets des forçages abiotiques environnementaux dont ceux liés au changement global sur ces derniers, en me focalisant sur certains processus biologiques clés (croissance, mortalité, production et respiration) par le bais d’expérimentation (notamment en mésocosmes in situ) et d’observations en lagune (SO REC-THAU, etc.) et en mer (SNO SOMLIT-Sète, SNO COAST-HF Sète, etc.).

 

58) Courboulès J, Vidussi F, Soulié T, Mas S, Pecqueur D, Mostajir B (2021). Effects of experimental warming on small phytoplankton, bacteria and viruses in autumn in Mediterranean coastal Thau Lagoon. Aquatic Ecology https://doi.org/10.1007/s10452-021-09852-7
57)  Soulié T, Vidussi F, Mas S, Parin D, Mostajir B (2021) A new method to estimate planktonic oxygen metabolism using high-frequency sensor measurements in mesocosm experiments and considering daytime and nighttime respirations. Limnology & Oceanography: Methods. doi: 10.1002/lom3.10424, https://aslopubs.onlinelibrary.wiley.com/doi/full/10.1002/lom3.10424
56) Richard M, Rolland JL, Gueguen Y, De Lorgeril J, Mostajir B, Bec B, Mas S, Parin D, Le Gall P, Mortreux S, Fiandrino A, Lagarde F, Messiean G, Fortune M, Roque d’Orbcastel E, Pouzadoux J (Jan 2021). In situ characterisation of pathogen dynamics during a Pacific oyster mortality syndrome episode. Marine Environmental Research 165: 105251, https://doi.org/10.1016/j.marenvres.2020.105251
55) Trombetta T, Vidussi F, Roques C, Scotti M, Mostajir B (2020). Marine Microbial Food Web Networks During Phytoplankton Bloom and Non-bloom Periods: Warming Favors Smaller Organism Interactions and Intensifies Trophic Cascade. Frontiers in Microbiology doi: 10.3389/fmicb.2020.502336
54) Caillibotte R, Leredde Y, F Vidussi, Ulses C, Marsaleix P, Estournel C, Mostajir B (April, 2020). Impact of oysters as top predators on microbial food web dynamics: a modelling approach with parameter optimisation. Marine Ecology Progress Series 641: 79-100 https://doi.org/10.3354/meps13319
53) Trombetta T, Vidussi F, Mas S, Parin D, Simier M, Mostajir B (April 2019). Water temperature drives phytoplankton blooms in coastal waters. PLOSONE 14(4):e0214933.https://doi.org/10.1371/journal.pone.0214933
52) Richard M, Bec B, Vanhuysse C, Mas S, Parin D, Chantalat C, Le Gall P, Fiandrino A, Lagarde F, Mortreux S, Ouisse V, Rolland J-L, Degut A, Hatey E, Fortune M, Roque d’Orbcastel E, Messiaen G, Munaron D, Callier M, Oheix J, Derolez V, Mostajir B (30 March 2019). Changes in planktonic microbial components in interaction with juvenile oysters during mortality episode in the Thau lagoon (France). Aquaculture.
51) Fouilland E, Trottet A, Alves-de-Souza C, Bonnet D, Bouvier T, Bouvy M, Boyer S, Guillou L, Hatey E, Jing H, Leboulanger C, Le Floc’h E, Liu H, Mas S, Mostajir B, Nouguier J, Pecqueur D, Rochelle-Newall E, Roques C, Salles C, M-G Tournoud, Vasseur C, Vidussi F (Mar 2017). Significant change in marine plankton structure and carbon production after the addition of river water in a mesocosm experiment. Microbial Ecology. DOI:10.1007/s00248-017-0962-6
50) Fouilland E, Mostajir B, Gosselin M, Levasseur M, Roy S, Vidussi F, de Mora S, Demers S (2016). Effect of mixing on the structure of a natural plankton community: a mesocosm study. Vie et Milieu - Life and Environment. 66 (3-4): 251-259
49) Sebastián M, Smith AF, González JM, Fredricks HF, Van Mooy B, Koblizek M, Brandsma J, Koster G, Mestre M, Mostajir B, Pitta P, Postle AD, Scanlan DJ, Gasol JM, Scanlan DJ, ChenY (Apr 2016). Lipid remodelling is a widespread strategy in marine heterotrophic bacteria upon phosphorus stress. The ISME Journal, 10(4): 968-978
48) Tsiola A, Pitta P, Fodelianakis S, Pete R, Magiopoulos I, Mara P, Psarra S, Tanaka T, Mostajir B (Apr 2016). P and N limitation in the oligotrophic Eastern Mediterranean Sea: an enrichment microcosm experiment. Microbiology of Aquatic Systems. 71(3) : 575-588, DOI 10.1007/s00248-015-0713-5
47) Mostajir B, Roques C, Bouvier C, Bouvier T, Fouilland E, Got P, Le Floc’h E, Nouguier J, Mas S, Sempéré R, Sime-Ngando T, Troussellier M, Vidussi F (Sep 2015). Microbial food web structural and functional responses to oyster and fish as top predators. Marine Ecology Progress Series. 535: 11–27, DOI 10.3354/meps11429
46) Alves-de-Souza C, Pecqueur D, Le Floc’h E, Mas S, Roques C, Mostajir B, Vidussi F, Velo-Suárez L, Sourisseau M, Fouilland E, Guillou L (Jun 2015). Significance of plankton community structure and nutrient availability for the control of dinoflagellate blooms by parasites: a modelling approach. PLOS ONE 10(6): e0127623, DOI: 10.1371/journal. pone.0127623.
45) Moreau S, Mostajir B, Belanger S, Schloss I, Vancoppenolle M, Demers S, Ferreyra GA (Jun 2015). Climate change enhanced primary production in the Western Antarctic peninsula. Global Change Biology, 21: 2191-2205, doi: 10.1111/gcb.12878
44) Moreau S,  Mostajir B, Almandoz GO, Demers S, Hernando M, Lemarchand K, Lionard M, Mercier B, Roy S, Schloss IR, Thyssen M, Ferreyra GA (2014). Effects of enhanced temperature and ultraviolet B radiation on a natural plankton community of the Beagle Channel (Southern Argentina): a mesocosm study. Aquatic Microbial Ecology, 72: 155-173
43) Fouilland E, Tolosa I, Bonnet D, Bouvier C, Bouvier T, Bouvy M, Got P, Le Floc'h E, Mostajir B, Roques C, Sempéré R, Sime-Ngando T, Vidussi F (2014). Bacterial carbon dependence on freshly produced phytoplankton exudates under different nutrient availability and grazing pressure conditions in coastal marine waters. FEMS Microbiology Ecology, 87: 757–769
42) Mostajir B, Le Floc’h E, Mas S, Pete R, Parin D, Nouguier J, Fouilland E, Vidussi F (2013). A new transportable floating mesocosm platform with autonomous sensors for real time data acquisition and transmission for studying the pelagic food web functioning. Limnology & Oceanography: Methods, 11: 394-409
41) Fouilland E, Mostajir B, Torréton J-P, Bouvy M, Got P, Le Floc'h E, Nouguier J, Charrière B, Sempéré R, Vidussi F (2013). Microbial carbon and nitrogen production under experimental conditions combining warming with increased ultraviolet-B radiation in Mediterranean coastal waters. Journal of Experimental Marine Biology and Ecology, 439: 47-53
40) Domaizon I, Lepère C, Debroas D, Bouvy M, Ghiglione J-F, Jacquet S, Bettarel Y, Bouvier C, Torréton J-P, Vidussi F, Mostajir B, Kirkham A, , LeFloc’h E, Fouilland E, Montanié H, Bouvier T (2012). Short-term responses of unicellular planktonic eukaryotes to increases in temperature and UVB radiation. BMC Microbiology, 12: 202
39) Fouilland E, Trottet A, Bancon-Montigny C, Bouvy M, Le Floch’ E, Gonzalez J-L, Hatey E., Mas S, Mostajir B, Nouguier J, Pecqueur D, Rochelle-Newall E, Rodier C, Roques C, Salles C, Tournoud M-G, Vidussi F (2012). Impact of a river flash flood on microbial carbon and nitrogen production in a Mediterranean Lagoon (Thau Lagoon, France). Estuarine Coastal and Shelf Science, 113: 192-204
38) Vasseur C, Bougaran G, Garnier M, Hamelin J, Leboulanger C,  Le Chevanton M, Mostajir B, Sialve B, Steyer J-P, Fouilland E (2012). Carbon conversion efficiency and population dynamics of a marine algae-bacteria consortium growing on simplified synthetic digestate: first step in a bioprocess coupling algal production and anaerobic digestion. Bioresource Technology, 119:79-87
37) Sucré E, Vidussi F, Mostajir B, Charmantier G, Lorin-Nebel C (2012). Impact of ultraviolet-B radiation on planktonic fish larvae: Alteration of the osmoregulatory function. Aquatic Toxicology 109: 194-201
36) Moreau S, Schloss IR, Mostajir B, Demers S, Almandoz GO, Ferrario MO, Ferreyra GA (2012). Influence of microbial community composition and metabolism in air-sea ΔpCO2 variation off the western Antarctic Peninsula. Marine Ecology Progress Series 446: 45-59
35) Fouilland E, Mostajir B (2011). Complementary support for the new ecological concept of “bacterial independence on contemporary phytoplankton production” in oceanic Waters. FEMS Microbiology Ecology 78: 206-209
34) Pecqueur D, Vidussi, Fouilland E, Le Floc’h E, Mas S, Roques C, Salles C, Tournoud M-G, Mostajir B (2011). Dynamics of microbial planktonic food web components during a river flash flood in a Mediterranean coastal lagoon. Hydrobyologia 673(1): 13-27
33) Bouvy M, Bettarel Y, Bouvier C, Domaizon I, Jacquet S, Le Floc’h E, Montanié H, Mostajir B, Sime-Ngando T, Torréton J.P., Vidussi F, Bouvier T (2011). Trophic interactions between viruses, bacteria and nanoflagellates under various nutrient conditions and simulated climate change. Environmental Microbiology 13(7): 1842-1857t-
32) The MERMEX group (Durrieu de Madron et 93 autres auteurs dont Mostajir B) (2011). Marine ecosystems’ responses to climatic and anthropogenic forcings in the Mediterranean. Progress in Oceanography 91(2): 97-166
31) Vidussi F, Mostajir B, Fouilland E, Le Floc’h E, Nouguier J, Roques C, Got P, Thibault-Botha D, Bouvier T, Troussellier M (2011). Effects of experimental warming and increased ultraviolet B radiation on the Mediterranean plankton food web. Limnology and Oceanography 56 (1): 206-218
30) Fouilland E, Mostajir B (2010). Revisited phytoplanktonic carbon dependency of heterotrophic bacteria in freshwater, transitional, coastal and oceanic waters. FEMS Microbiology Ecology 73(3): 419-429
29) Moreau  S, Ferreyra GA, Mercier B, Lemarchand K, Lionard M, Roy S, Mostajir B, Roy S, van Hardenberg B, Demers S. (2010). Variability of the microbial community in the western Antarctic Peninsula from late fall to spring during a low ice cover year. Polar Biology 33(12): 1599-1614
28) Dolan JR, Mostajir B, Sime-Ngando T (2009). Rassoulzadegan in Villefranche-sur-Mer and the ‘evolution’ of marine microbial ecology over the last three decades. Aquatic Microbial Ecology. 57: 221-225
27) Mas S, Roy S, Blouin F, Mostajir B, Therriault JC, Nozais C, Demers S (2008). Diel variations in optical properties of Imantonia rotunda (Haptophyceae) and Thalassiosira pseudonana (Bacillariophyceae) exposed to different irradiance levels. Journal of Phycology, 44: 551-563.
26) Nouguier J, Mostajir B, Le Floc’h E, Vidussi F (2007). An automatically operated system for simulating global change temperature and ultraviolet B radiation increases: application to the study of aquatic ecosystem responses in mesocosm experiments. Limnology & Oceanography: Methods 5: 269-279.
25) Fouilland E, Gosselin M, Rivkin RB, Vasseur C, Mostajir B (2007). Nitrogen uptake by heterotrophic bacteria and phytoplankton in Arctic surface waters. Journal of Plankton Research 29: 369-376.
24) Momo F, Ferrero E, Eöry M, Esusy M, Iribarren J, Ferreyra GA, Schloss IR, Mostajir B, Demers S (2006). The whole is more than the sum of its parts: modeling community level effects of UVR in marine ecosystems. Photochemistry and Photobiology 82: 903-908.
23) Ferreyra GA, Mostajir B, Demers S, Schloss IR, Chatila K, Ferrario M, Sargian P, Roy S, Prod'homme J (2006). Ultraviolet B radiation effects on structure and function of lower levels of the marine planktonic food web. Photochemistry & Photobiology 82: 887-897.
22) Belzile C, Demers S, Ferreyra GA, Schloss IR, Nozais C, Lacoste C, Mostajir B, Roy S, Gosselin M, Pelletier E, Gianesella SMF, Diaz S, Vernet M (2006). UV effects on marine planktonic food-webs: A synthesis of results from mesocosm studies. Photochemistry and Photobiology 82: 850-856.
21) Sargian P, Pelletier E, Mostajir B, Ferrayra G, Demers S (2005). TBT toxicity on a natural planktonic assemblage exposed to enhanced ultraviolet-B radiation. AquaticToxicology 73: 299-314.
20) Sargian P, Mostajir B, Chatila K, Ferrayra G, Pelletier E, Demers S (2005). Non-synergistic effects of Water Soluble Crude Oil And Enhanced Ultraviolet-B Radiation On A Natural Planktonic Assemblage. Marine Ecology Progress Series 294: 63-77.
19) Vidussi F, Roy S, Lovejoy C, Gammelgaard M, Thomsen HA, Booth B, Tremblay J-E, Mostajir B. (2004). Spatial and temporal variability of the phytoplankton community structure in the North Water Polynya, investigated using pigment biomarkers. Canadian Journal of Fisheries and Aquatic Sciences 61: 2038-2052
18) Vasseur C, Mostajir B, Nozais C, Denis M, Fouilland É, Klein B, Demers S (2003). Effects of bio-optical factors on the attenuation of ultraviolet and photosynthetically available radiation in the North Water Polynya, northern Baffin Bay: ecological implications. Marine Ecology Progress Series 252: 1-13
17) Fouilland É, Gosselin M, Mostajir B, Levasseur M, Chanut J-P, Roy S, Demers S, de Mora S (2003). Effect of enhanced ultraviolet-B radiation and mixing regime on nitrogen metabolism of a natural plankton community shifting from a nitrate to a silicate deficiency. Limnology and Oceanography 41 : 18-30
16) Mostajir B, Gosselin M, Gratton Y, Booth B, Vasseur C, Garneau ME, Fouilland E, Vidussi F, Demers S (2001). Surface water distribution of pico- and nanophytoplankton in relation to two distinctive water masses in the North Water, northern Baffin Bay, during fall. Aquatic Microbial Ecology 23 : 205-212
15) Chatila K, Demers S, Mostajir B, Gosselin M, Chanut J-P, Monfort P, Bird D (2001). The responses of a natural bacterioplankton community to different levels of ultraviolet-B radiation: a food web perspective. Microbial Ecology 41 : 51-65
14) Fauchot J, Gosselin M, Levasseur M, Mostajir B, Belzile C, Demers S, Roy S, Villegas PZ (2000). Influence of UV-B radiation on nitrogen utilization by a natural assemblage of phytoplankton. Journal of Phycology. 36:484-496
13) Mousseau L, Gosselin M, Levasseur M, Demers S, Fauchot J, Roy S, Villegas PZ, Mostajir B (2000). Long-term effects of ultraviolet-B radiation on community structure and on simultaneous uptake of carbon and nitrogen by estuarine phytoplankton during a mesocosm study. Marine Ecology Progress Series 199 : 69-81
12) Whitehead RF, de Mora S, Demers S, Gosselin M, Monfort P, Mostajir B (2000). Interactions of UVB radiation, mixing and biological activity on photobleaching of natural chromophoric dissolved organic matter: A mesocosm study. Limnology and Oceanography 45: 278-291
11) Chatila K, Demers S, Mostajir B, Gosselin M, Chanut J-P, Monfort P (1999a). Bacteriovory of a natural heterotrophic protozoan population exposed to different intensities of ultraviolet-B. Aquatic Microbial Ecology 20 : 59-74
10) Chatila K, Demers S, Mostajir B, Chanut J-P, Monford P (1999b). Periodic activity of bacterioplankton as measured by the incorporation of 3H-thymidine. Canadian Journal of Microbiology 45 : 555-564
9) Mostajir B, Sime-Ngando T, Demers S, Belzile C, Roy S, Gosselin M, Chanut J-P, de Mora S, Fauchot J, Vidussi F, Levasseur M (1999b). Ecological implications of ultraviolet-B radiation on cell size and photosynthetic capacity of marine Prymnesiophyte. Marine Ecology Progress Series 187: 89-100
8) Mostajir B, Demers S, de Mora S, Belzile C, Chanut J-P, Gosselin M, Roy S, Fauchot J, Villegas PZ, Bouchard J, Bird D, Monfort P, Levasseur M (1999a). Experimental test of the effect of Ultraviolet-B radiation in a planktonic community. Limnology and Oceanography 44: 586-596
7) Pelletier E, Mostajir B, Roy S, Gosselin M, Gratton Y, Chanut J-P, Belzile C, Demers S, Thibault D (1999). Crue éclair de juillet 96 au Saguenay – Lac Saint-Jean: 1. Impacts sur la colonne d’eau du fjord du Saguenay. Canadian Journal of Fisheries and Aquatic Sciences 56: 2120-2135
6) Belzile C, Demers S, Lean DRS, Mostajir B, Roy S, de Mora S, Bird D, Gosselin M, Chanut J-P, Levasseur M (1998). An Experimental tool to study the effects of ultraviolet radiation on planktonic communities: A mesocosm approch. Environmental Technology 19: 667-682
5) Mostajir B, Bustillos-Guzmán J, Claustre H, Rassoulzadegan F (1998a). Pigment dynamics associated with the grazing of a ciliate and a flagellate feeding on a cyanobacterium. Oceanologica Acta. 21: 581-588
4) Mostajir B, Fagerbakke KM, Heldal M, Thingstad TF, Rassoulzadegan F (1998b). Elemental Composition of individual pico- and nano-sized marine detrital particles in the North Western Mediterranean Sea, Using Transmission Electron Microscopy and X-Ray Microanalysis. Oceanologica Acta 21: 589-596
3) Perez M, Dolan JR, Rassoulzadegan F, Mostajir B (1996). Predation on Marine Picoplankton Populations Examined with an "Add-in" Approach. Journal of Plankton Research 18: 635-641
2) Mostajir B, Dolan JR, Rassoulzadegan F (1995b). Seasonal Variations of Pico- and Nano-Detrital Particles (Dapi Yellow Particles Ecology "DYP") in the Ligurian Sea, North Western Mediterranean. Aquatic Microbial Ecology 9(3): 267-277
1) Mostajir B, Dolan JR, Rassoulzadegan F (1995a). A simple method for the quantification of a class of labile marine pico- and nano-sized detritus. DAPI Yellow Particles (DYP). Aquatic Microbial Ecology 9(3): 259-266

1) Mostajir B, Mas S, Parin D, Vidussi F (Dec 2018). High-Frequency physical, biogeochemical and meteorological data of Coastal Mediterranean Thau Lagoon Observatory. Seanoe (https://doi.org/10.17882/58280)

8) Moreau S, Vidussi F, Ferreyra G, Mostajir B (2016). Ecological impacts of ultraviolet-B radiation on marine ecosystems. In Solan M, Whiteley NA (Editors): Stressors in the Marine Environment. Oxford University Press. Chapter 15: 261-281
7) Mostajir B, Amblard C, Buffan-Dubau E, de Wit R, Lensi R, Sime-Ngando T (2015). Microbial Food webs in aquatic and terrestrial ecosystems. In Bertrand J-C, Caumette P, Lebaron P, Normand P, Sime-Ngando T (Editors): Environmental Microbiology: Fundamentals and Applications. Springer. The Netherlands. http://www.springer.com/life+sciences/ecology/book/978-94-017-9117-5 Chapitre 13: 458-509
6) Mostajir B, Nouguier J, Le Floc’h E, Mas S, Pete R, Parin D, Vidussi F (2012). Use of sensors in marine mesocosm experiments to study the effect of environmental changes on planktonic food webs. In JF Le Galliard, JM Guarini, F Gaill (Editors): Sensors for ecology, toward integrated knowledge of ecosystems. Publication CNRS, Paris. Part IV, Chapitre 3: 309-329
5) Mostajir B, Amblard C, Buffan-Dubau E, de Wit R, Lensi R, Sime-Ngando T (2012). Réseaux microbiens aquatique et terrestre. Dans Bertrand J-C, Caumette P, Lebaron P, Normand P (Editeurs) : Ecologie Microbienne, Microbiologie des milieux naturels et anthropisés. Publication Université de Pau. Chapitre 13 : 515-543
4) de Wit R, Mostajir B, Troussellier M, Do Chi T (2011). Environment management and sustainable use of coastal lagoons ecosystems. In Friedman AG (Editor): Lagoons: Biology, Management and Environmental Impact. ISBN: 978-1-61761-738-6. 2011 Nova Science Publishers, Inc.  333-350 p.
3) Zaldívar JM, Viaroli P, Mostajir B, Giordani G. (2005).  Impacts of climate change on Mediterranean coastal lagoons. Future of Mediterranean coastal lagoons. In Eisenreich SJ (Editor): Climate Change and the European Water Dimension.  EUR 21533 EN European Communities. Printed in Italy. 106-115 p.
2) Mostajir B, Demers S, de Mora SJ, Bukata RP, Jerome JH (2000). Implications of UV radiation on the food web structure and consequences on the carbon flow. In de Mora SJ, Demers S, Vernet M (Editors): The effects of UV Radiation in the Marine Environment. Cambridge University Press. 310-320 p.
1) Miquel JC, Fowler SW, Mostajir B, La Rosa J (1995). Long term study of particulate carbon flux in the open NW Mediterranean Sea. Proceedings the International Geosphere and Biosphere Program (IGBP). Symposium on Global Fluxes of Carbon and Its Related Substances in the Costal Sea-Ocean-Atmosphere

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