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Laboratoire d'Ecogéochimie des Environnements Benthiques
UMR 8222

Pierre Galand


  • Microbial ecology: link between community diversity (Archaea and Bacteria) and ecosystem functioning
  • Host-associated microbiomes
  • Chemosynthetic ecosystems: diversity of microbial communities forming the basis for chemosynthetic ecosystems

Contact Informations

Phone : +33 4 30 19 24 51
Mail(s) : pierre.galand@obs-banyuls.fr


  • 2009          Researcher
  • 2007-2009  Post Doc, CEAB-CSIC, Blanes, Spain
  • 2005-2007  Post Doc, Université Laval, Québec, Canada
  • 2004           PhD, Helsinki University, Helsinki, Finland



53. Galand PE, Lucas S, Fagervold SK, Peru E, Pruski AM, Vétion G, Dupuy C, Guizien K. Disturbance increases microbial community diversity and production in marine sediments. Frontiers in Microbiology, 7:1950

52. Luna GM, Chiggiato J, Quero GM, Schroeder K, Bongiorni L, Kalenitchenko D, Galand PE. Dense water plumes modulate richness and productivity of deep sea microbes. Environmental Microbiology, 18: 4537-4548

51. Meistertzheim AL, Lartaud F, Arnaud-Haond S, Kalenitchenko D, Bessalam M, Le Bris N, Galand PE (2016). Patterns of bacteria-host associations suggest different ecological strategies between two reef building cold-water coral species. Deep Sea Research Part I, 114: 12-22

50. Blanquer A, Uriz MJ, Cebrian E, Galand PE (2016). Snapshot of a bacterial microbiome shift during the early symptoms of a massive sponge die-off in the western Mediterranean. Frontiers in Microbiology, 7:752

49. Kalenitchenko D, Dupraz M, Le Bris N, Petetin C, Rose C, West NJ,  Galand PE (2016). Ecological succession leads to chemosynthesis in mats colonizing wood in sea water. ISME Journal, 10(9): 2246-2258


48. Galand PE, Salter I, Kalenitchenko D (2015). Ecosystem productivity is associated with bacterial phylogenetic distance in surface marine waters. Molecular Ecology24(23):5785-95

47. Gutierrez MH, Galand PE, Moffat C, Pantoja S (2015). Melting glacier impacts community structure of Bacteria, Archaea and Fungi in a Chilean Patagonian fjord. Environmental Microbiology, 17(10):3882–3897

46. Hugoni M, Agogue H, Taib N, Domaizon I,  Moné A, Galand PE, Bronner G, Debroas D, Mary I (2015). Temporal dynamics of active prokaryotic nitrifiers and archaeal communities from river to sea. Microbial Ecology, 70: 473-483

45. Kalenitchenko D, Fagervold SK, Pruski AM, Vétion G, Yücel M, Le Bris N, Galand PE (2015). Temporal and spatial constraints on community assembly during microbial colonisation of wood in seawater. ISME Journal, 9: 2657–2670

44. Hugoni M, Domaizon I, Taib N, Biderre-Petit C, Agogue H, Galand PE, Debroas D, Mary I (2015). Temporal dynamics of active Archaea in oxygen depleted zones of two deep lakes. Environmental Microbiology Reports, 7: 321-329

43. Salter I, Galand PE, Fagervold SK, Lebaron P, Obernosterer I, Oliver MJ, Suzuki M, Tricoire C (2015). Seasonal dynamics of active SAR11 ecotypes in the oligotrophic Northwest Mediterranean Sea. ISME Journal, 9: 347-360


42. Fröhlich-Nowoisky J, Ruzene Nespoli C, PickersgillDA,  Galand PE, Müller-GermannI, Nunes T, Gomes Cardoso J, Almeida SM, Pio C, Andreae MO, Conrad R, Pöschl U, Després VR (2014). Diversity and seasonal dynamics of airborne archaea. Biogeosciences, 11: 6067-6079

41. Fagervold SK, Bourgeois S, Pruski AM, Charles F, Kerhervé P, Vétion G, Galand PE (2014). River organic matter shapes microbial communities in the sediment of the Rhône prodelta. ISME Journal, 8: 2327–2338

40. Fagervold SK, Romano C, Kalenitchenko D, Borowski C, Nunes-Jorge A, Martin D, Galand PE (2014). Microbial communities on sunken wood are structured by wood-boring bivalves and location in a submarine canyon. PLOS ONE, 9(5): e96248

39. Pedneault E, Galand PE, Potvin M, Tremblay JE, Lovejoy C (2014). Archaeal amoA and ureC genes and their transcriptional activity in the Arctic Ocean. Scientific Reports, 4: 4661

38. Conrad R, Claus P, Chidthaisong A, Lu Y, Fernandez Scavino A, Liu Y, Angel R, Galand PE, Casper P, Guerin F, Enrich-Prast A (2014). Stable carbon isotope biogeochemistry of propionate and acetate in methanogenic soils and lake sediments. Organic Geochemistry, 73: 1-7

37. Bessette S, Fagervold SK, Romano C, Martin D, Le Bris N, Galand PE (2014). Diversity of bacterial communities on sunken woods in the Mediterranean Sea. Journal of Marine Science and Technology, 22(1):60-66


36. Negandhi K, Laurion I, Whiticar MJ, Galand PE, Xu X, Lovejoy C (2013). Small thaw ponds: an unaccounted source of methane in the Canadian High Arctic. PLOS ONE, 8(11): e78204.

35. Blanquer A,  Uriz MJ, Galand PE (2013). Removing environmental sources of variation to gain insight on symbionts vs. transient microbes in High and Low Microbial Abundance sponges. Environmental Microbiology, 15(11): 3008-3019

34. Galand PE, Alonso-Saez L, Bertilsson S, Lovejoy C, Casamayor EO (2013). Contrasting activity patterns determined by BrdU incorporation in bacterial ribotypes from the Arctic Ocean in winter. Frontiers in Microbiology, 4: 00118

33. Hugoni M, Taiba N, Debroas D, Domaizon I, Jouan Dufourne I, Bronner G, Salter I, Agogué H, Mary I, Galand PE(2013). Structure of the rare archaeal biosphere and seasonal dynamics of active ecotypes in surface coastal waters. Proceedings of the National Academy of Sciences U S A, 110(15): 6004-6009

32. Fagervold SK, Bessette S, Romano C, Martin D, Plyuscheva M, Le Bris N, Galand PE (2013). Microbial communities associated with the degradation of oak wood in the Blanes submarine canyon and its adjacent open slope (NW Mediterranean), Progress in Oceanography, 118: 137-143

31. Yücel M, Galand PE, Fagervold SK, Contreira-Pereira L, Le Bris N (2013). Sulfide production and consumption in degrading wood in the marine environment. Chemosphere, 90(2): 403-409


30. Ghiglione JF , Galand PE, Pommier T, Pedrós-Alió C, Maas EW, Bakker K, Bertilson S, Kirchman DL, Lovejoy C, Yager PL, Murray AE (2012). Pole to pole biogeography of surface and deep marine bacterial communities. Proceedings of the National Academy of Sciences U S A, 109(43): 17633-1763

29. Fagervold SK, Galand PE, Zbinden M, Gaill F, Lebaron P, Palacios C (2012). Sunken woods on the ocean floor provide diverse specialized habitats for microorganisms. FEMS Microbiology Ecology,82(3): 616-628

28. Comeau AM, Harding T, Galand PE, Vincent WF, Lovejoy C (2012). Vertical distribution of microbial communities in a perennially stratified Arctic lake with saline, anoxic bottom waters. Scientific Reports, 2: 604

27. Galand PE, Bourrain M, De Maistre E, Catala P, Desdevises Y, Elifantz H, Kirchman DL, Lebaron P (2012). Phylogenetic and functional diversity of Bacteria and Archaea in a unique stratified lagoon of the Clipperton atoll (N Pacific). FEMS Microbiology Ecology, 79(1): 203-217


26. Barberán A, Fernández-Guerra A, Auguet JC, Galand PE and Casamayor EO (2011). Phylogenetic ecology of widespread uncultured clades of the Kingdom Euryarchaeota. Molecular Ecology, 20(9): 1988–1996

25. Lovejoy C, Galand PE and Kirchman DL (2011). Microbial diversity in the Arctic Ocean and surrounding seas. Marine Biodiversity, 45: 5-12


24. Galand PE, Yrjala K and Conrad R (2010). Stable carbon isotope fractionation during methanogenesis in three boreal peatland ecosystems. Biogeosciences, 7: 3893-3900

23. Galand PE, Potvin M, Casamayor EO and Lovejoy C (2010). Hydrography shapes bacterial biogeography of the deep Arctic Ocean. ISME Journal, 4: 564–576

22. Galand PE, Gutiérrez-Provecho C, Massana R, Gasol JM and Casamayor EO (2010). Inter-annual recurrence of archaeal assemblages in the coastal NW Mediterranean Sea (Blanes Bay Microbial Observatory). Limnology and Oceanography, 55(5): 2117-2125

21. Alonso-Sáez L, Galand PE, Casamayor EO, Pedrós-Alió C and Bertilsson S (2010). High bicarbonate assimilation in the dark by arctic bacteria. ISME Journal, 4: 1581–1590


20. Pouliot J, Galand PE, Lovejoy C and Vincent W (2009). Vertical structure of archaeal communities and the distribution of ammonium monooxygenase A gene variants in two meromictic High Arctic lakes. Environmental Microbiology, 11(3): 687-699

19. Galand PE, Casamayor EO, Kirchman DL and Lovejoy C (2009). Unique archaeal assemblages in the Arctic Ocean unveiled by massively parallel tag sequencing. ISME Journal, 3(7): 860-869

18. Galand PE, Lovejoy C, Hamilton AK, Ingram RG, Pedneault E and Carmack EC (2009). Archaeal diversity and a gene for ammonia oxidation are coupled to oceanic circulation. Environmental Microbiology, 11(4): 971-980

17. Galand PE, Casamayor EO, Kirchman DL and Lovejoy C (2009). Ecology of the rare microbial biosphere of the Arctic Ocean. Proceedings of the National Academy of Sciences U S A, 106(52): 22427-22432


16. Hamilton AK, Lovejoy C, Galand PE, Ingram GR (2008). Water masses and biogeography of picoeukaryote assemblages in a cold hydrographically complex system. Limnology and Oceanography, 53(3): 922-935

15. Galand PE, Lovejoy C, Pouliot J, Garneau ME and Vincent WF (2008). Microbial community diversity and heterotrophic production in a coastal arctic ecosystem: A stamukhi lake and its source waters. Limnology and Oceanography, 53(2): 813-823

14. Pearce DA and Galand PE (2008). Microbial biodiversity and biogeography. Polar Lakes and Rivers: Limnology of Arctic and Antarctic Aquatic Ecosystems, p. 213-230.

13. Galand PE, Lovejoy C, Pouliot J and Vincent W (2008). Heterogeneous archaeal communities in the particle-rich environment of an arctic shelf ecosystem. Journal of Marine Systems, 74: 774-782

12. Van Hove P, Vincent WF, Galand PE and Wilmotte A (2008). Abundance and diversity of picocyanobacteria in High Arctic lakes and fjords. Algological Studies, 126: 209-227


11. Juottonen H, Galand PE, and Yrjala K (2006). Detection of methanogenic Archaea in peat: comparison of PCR primers targeting the mcrA gene. Research in Microbiology, 157(10): 914-921

10. Galand PE, Lovejoy C and Vincent WF (2006). Remarkably diverse and contrasting archaeal communities in a large arctic river and the coastal Arctic Ocean. Aquatic Microbial Ecology, 44: 115-126

9. Merila P, Galand PE, Fritze H, Tuittila ES, Kukko-oja K, Laine J and Yrjala K (2006). Methanogen communities along a primary succession transect of mire ecosystems. FEMS Microbial Ecology, 55: 221-229


8. Galand PE, Fritze H, Conrad R and Yrjala K (2005). Pathways for Methanogenesis and Diversity of Methanogenic Archaea in Three Boreal Peatland Ecosystems. Applied Environmental Microbiology, 71(4): 2195-2198

7. Galand PE, Juottonen H, Fritze H and Yrjala K (2005). Methanogen Communities in a Drained Bog: Effect of Ash Fertilization. Microbial Ecology, 49: 209-217

6. Juottonen H, Galand PE, Tuittila ES, Laine J, Fritze H and Yrjala K (2005). Methanogen communities and Bacteria along an ecohydrological gradient in a northern raised bog complex. Environmental Microbiology, 7(10): 1547-1557

5. Penning H, Plugge CM, Galand PE and Conrad R (2005). Variation of carbon isotope fractionation in hydrogenotrophic methanogenic microbial cultures and environmental samples at different energy status. Global Change Biology, 11: 2103-2113


4. Galand PE, Fritze H and Yrjala K (2003). Microsite-dependent changes in methanogenic populations in a boreal oligotrophic fen. Environmental Microbiology, 5(11): 1133-1143


3. Galand PE, Saarnio S, Fritze H and Yrjala K (2002). Depth related diversity of methanogen Archaea in Finnish oligotrophic fen. FEMS Microbial Ecology, 42: 441-449


2. Drengstig A, Fevolden SE, Galand PE and Aschan MM (2000). Population structure of the deep-sea shrimp (Pandalus borealis) in the north-east Atlantic based on allozyme variation. Aquatic Living Resources, 13(2): 121-128

1. Galand PE and Fevolden SE (2000). Population structure of Chlamys islandica in the Northeast Atlantic – northern stocks compared with a southern relict population. Sarsia, 85: 183-188

Pierre Galand ( @ ) - 15/05/17

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