@article{fdi:010088797, title = {{O}perationalizing blue carbon principles in {F}rance : methodological developments for {P}osidonia oceanica seagrass meadows and institutionalization}, author = {{C}omte, {A}drien and {B}arreyre, {J}. and {M}onnier, {B}. and de {R}afael, {R}. and {B}oudouresque, {C}. {F}. and {P}ergent, {G}. and {R}uitton, {S}.}, editor = {}, language = {{ENG}}, abstract = {{C}onservation of ecosystems is an important tool for climate change mitigation. {S}eagrasses, mangroves, saltmarshes and other marine ecosystems have particularly high capacities to sequester and store organic carbon (blue carbon), and are being impacted by human activities. {C}alls have been made to mainstream blue carbon into policies, including carbon markets. {B}uilding on the scientific literature and the {F}rench voluntary carbon standard, the '{L}abel {B}as-{C}arbone', we develop the first method for the conservation of {P}osidonia oceanica seagrasses using carbon finance. {T}his methodology assesses the emission reduction potential of projects that reduce physical impacts from boating and anchoring. {W}e show how this methodology was institutionalized thanks to a tiered approach on key parameters including carbon stocks, degradation rates, and decomposition rates. {W}e discuss future needs regarding (i) how to strengthen the robustness of the method, and (ii) the expansion of the method to restoration of seagrasses and to other blue carbon ecosystems.}, keywords = {{B}lue carbon ; {L}abel bas -{C}arbone ; {P}osidonia oceanica ; {M}arine conservation ; {E}cosystem services ; {C}arbon markets ; {FRANCE} ; {MEDITERRANEE}}, booktitle = {}, journal = {{M}arine {P}ollution {B}ulletin}, volume = {198}, numero = {}, pages = {115822 [10 ]}, ISSN = {0025-326{X}}, year = {2024}, DOI = {10.1016/j.marpolbul.2023.115822}, URL = {https://www.documentation.ird.fr/hor/fdi:010088797}, }