Erwann Legrand

• Legrand E. Svensen Ø. Husa V. Lelièvre Y., Svensen R. (2025) In situ growth dynamics of the invasive ascidian Didemnum vexillum in Norway: Insights from a two-year monitoring study. Marine Pollution Bulletin. 211: 117440.
• Legrand E. Mengede M., Olsen S.A., Parsons A.E., Husa V. (2024) Efficacy of lime, hydrogen peroxide and azamethiphos as potential control treatments against the proliferation of the invasive ascidian Didemnum vexillum. Management of Biological Invasions, 15: 169-186.
• Legrand E., Taormina B., Grall J., Sævik P.N., Lelièvre Y., Pinsivy L., Peña V., Husa V. (2024) Salmon farming alters the structure and functioning of Norwegian maerl bed communities. Aquatic conservation : Marine and Freshwater Ecosystems, 34: e4142.
• Taormina B., Kutti T., Olsen S.A., Sævik P.N., Hannisdal R., Husa V., Legrand E. (2024) Effects of aquaculture effluents on the slender sea pen Virgularia mirabilis. Scientific Reports, 14: 9385.
• Taormina B., Escobar Lux R.H., Legrand E., Parsons A.E., Kutti T., Husa V., Hannisdal R., Samuelsen O., Agnalt A.L. (2024) Effects of the sea lice chemotherapeutant, emamectin benzoate, on metabolism and behaviour of the sea-pen Pennatula phosphorea. Marine Pollution Bulletin, 198: 115903.
• Kutti T., Legrand E., Husa V., Olsen S.A., Gjelsvik Ø.H., Carvajalino-Fernandez M.A., Johnsen I.A., (2022) Fish farm effluents cause metabolic depression, reducing energy stores and growth in the reef-forming coral Lophelia pertusa. Aquaculture Environment Interactions, 14: 279-293.
• Legrand E., Parsons A.E., Escobar Lux R.H., Freytet F., Agnalt A.L., Samuelsen O., Husa V. (2022) Effect of sea lice chemotherapeutant hydrogen peroxide on the photosynthetic characteristics and bleaching of the coralline alga Lithothamnion soriferum. Aquatic Toxicology, 247: 106173.
• Legrand E., Kutti T., Gonzalez Casal E.V., Rastrick S.P.S., Andersen S., Husa V. (2021) Reduced physiological performance in a free-living coralline alga induced by salmon faeces deposition. Aquaculture Environment Interactions. 13, 225-236.
• Peña V., Bélanger D., Gagnon P., Richards J.L., Le Gall L., Hughey J.R., Saunders G.W., Lindstrom S.C., Rinde E., Husa V., Christie H., Fredriksen S., Hall-Spencer J.M., Steneck R.S., Schoenrock K.M., Gitmark J., Grefsrud E.S., Anglès d’Auriac M.B., Legrand E., Grall J., Mumford T.F., Kamenos N.A., Gabrielson P.W. (2021) Lithothamnion (Hapalidiales, Rhodophyta) in the changing Arctic and Subarctic: DNA sequencing of type and recent specimens provides a systematics foundation. European Journal of Phycology. 56, 468-493.
• Legrand E., Martin S., Leroux C., Riera P. (2020) Using stable isotope analysis to determine the effects of ocean acidification and warming on trophic interactions in a maerl bed community. Marine Ecology. 41, e12612.
• Sarrazin J., Portail M., Legrand E., Cathalot C., Laes A., Lahaye N., Sarradin P.M., Husson B. (2020) Endogenous versus exogenous factors: What matters for vent mussel communities? Deep Sea Research Part 1: Oceanographic Research Papers, 160, 103260. 
• Legrand E., Riera P., Lutier M., Coudret J., Grall J., Martin S. (2019) Grazers increase the sensitivity of coralline algae to oceanacidification and warming, Journal of Sea Research, 148-149, 1-7.
• Legrand E., Martin S., Leroux C., Riera P. (2018) Effect of temperature on an alga-grazer trophic interaction: a dual stable isotope (¹³C, ¹⁵N) labeling experiment, Marine Ecology, e12495.
• Qui Minet Z.N., Delaunay C., Grall J., Six C., Cariou T., Bohner O., Legrand E., Davoult D., Martin S. (2018) The role of local environmental changes on maerl and its associated non-calcareous epiphytic flora in the Bay of Brest, Estuarine Coastal and Shelf Science, 208, 140-152.
• Legrand E., Riera P., Bohner O., Coudret J., Schlicklin F., Derrien M., Martin S. (2018) Impact of ocean acidification and warming on the productivity of a rock pool community, Marine Environmental Research, 136, 78-88.
• Legrand E., Riera P., Pouliquen L., Bohner O., Cariou T., Martin S. (2018) Ecological characterization of intertidal rock pools: seasonal and diurnal monitoring of physico-chemical parameters, Regional Studies in Marine Science, 17, 1-10.
• Legrand E., Riera P., Lutier M., Coudret J., Grall J., Martin S. (2017) Species interactions can shift the response of a maerl bed community to ocean acidification and warming. Biogeosciences, 14, 5359-5376.
• Cox, T.E., Nash, M., Gazeau, F., Déniel, M., Legrand, E., Alliouane, S., Mahacek, P., Le Fur, A., Gattuso, J.-P., Martin, S. (2017) Effects of in situ CO₂ enrichment on Posidonia oceanica epiphytic community composition and mineralogy. Marine Biology, 164, 103.
• Riera, P., Noel, L., Leroux, C., Legrand, E. & Martin, S. (2016) Effect of elevated pCO₂ on biofilm - herbivore trophic interactions: preliminary investigation through a stable isotope experiment. Vie et Milieu-Life and Environment, 66, 245-249.
• Noisette, F., Comtet, T., Legrand, E., Bordeyne, F., Davoult, D. & Martin, S. (2014) Does encapsulation protect embryos from the effects of ocean acidification? The example of Crepidula fornicata. Plos One, 9, e93021.

International communications

• Legrand E., Riera P., Lutier M., Coudret J., Grall J., Martin S. (Jun. 2018) Impact of ocean acidification and warming on the diversity and the functioning of a maerl bed community. VI international Rhodolith Workshop, Biological Station of Roscoff, France. Communication
• Legrand E., Riera P., Lutier M., Coudret J., Grall J., Martin S. (Jun. 2018) May grazers influence the response of coralline algae to ocean acidification and warming? VI international Rhodolith Workshop, Biological Station of Roscoff, France. Poster
• Legrand E., Riera P., Lutier M., Coudret J., Grall J., Martin S. (Feb. 2016) Impact of ocean acidification and warming on the diversity and the functioning of a maerl bed community, Mares Conference, Olhão, Portugal. Communication
• Legrand E., Riera P., Marsac R., Grall J., Martin S. (Jul. 2015) Impact of ocean acidification and warming on the diversity and the functioning of a North Eastern Atlantic maerl bed community, V International Rhodolith Workshop, San José, Costa Rica. Communication