@article{fdi:010094677, title = {{V}ulnerability of mineral-associated soil organic carbon to climate across global drylands}, author = {{D}íaz-{M}artínez, {P}. and {M}aestre, {F}.{T}. and {M}oreno-{J}im{\'e}nez, {E}. and {D}elgado-{B}aquerizo, {M}. and {E}ldridge, {D}.{J}. and {S}aiz, {H}. and {G}ross, {N}. and {L}e {B}agousse-{P}inguet, {Y}. and {G}ozalo, {B}. and {O}choa, {V}. and {G}uirado, {E}. and {G}arcía-{G}ómez, {M}. and {V}alencia, {E}. and {A}sensio, {S}. and {B}erdugo, {M}. and {M}artínez-{V}alderrama, {J}. and {M}endoza, {B}.{J}. and {G}arcía-{G}il, {J}.{C}. and {Z}accone, {C}. and {P}anettieri, {M}. and {G}arcía-{P}alacios, {P}. and {F}an, {W}. and {B}enavente-{F}erraces, {I}. and {R}ey, {A}. and {E}isenhauer, {N}. and {C}esarz, {S}. and {A}bedi, {M}. and {A}humada, {R}.{J}. and {A}lcántara, {J}.{M}. and {A}mghar, {F}. and {A}ramayo, {V}. and {A}rroyo, {A}.{I}. and {B}ahalkeh, {K}. and {B}en {S}alem, {F}. and {B}laum, {N}. and {B}oldgiv, {B}. and {B}owker, {M}.{A}. and {B}ran, {D}. and {B}ranquinho, {C}. and {B}u, {C}. and {C}áceres, {Y}. and {C}anessa, {R}. and {C}astillo-{M}onroy, {A}.{P}. and {C}astro, {I}. and {C}astro-{Q}uezada, {P}. and {C}hibani, {R}. and {C}oncei{\c{c}}ão, {A}.{A}. and {C}urrier, {C}.{M}. and {D}arrouzet-{N}ardi, {A}. and {D}eák, {B}. and {D}ickman, {C}.{R}. and {D}onoso, {D}.{A}. and {D}ougill, {A}.{J}. and {D}urán, {J}. and {E}jtehadi, {H}. and {E}spinosa, {C}. and {F}ajardo, {A}.. and {F}arzam, {M}. and {F}errante, {D}. and {F}raser, {L}.{H}. and {G}aitán, {J}.{J}. and {G}usman {M}ontalván, {E}. and {H}ernández-{H}ernández, {R}.{M}. and von {H}essberg, {A}. and {H}{\¨o}lzel, {N}. and {H}uber-{S}annwald, {E}. and {H}ughes, {F}.{M}. and {J}adán-{M}aza, {O}. and {G}eissler, {K}. and {J}entsch, {A}. and {J}u, {M}. and {K}aseke, {K}.{F}. and {K}indermann, {L}. and {K}oopman, {J}.{E}. and {L}e {R}oux, {P}.{C}. and {L}iancourt, {P}. and {L}instädter, {A}. and {L}iu, {J}. and {L}ouw, {M}.{A}. and {M}aggs-{K}{\¨o}lling, {G}. and {M}akhalanyane, {T}.{P}. and {M}alam {I}ssa, {O}umarou and et al.}, editor = {}, language = {{ENG}}, abstract = {{M}ineral-associated organic carbon ({MAOC}) constitutes a major fraction of global soil carbon and is assumed less sensitive to climate than particulate organic carbon ({POC}) due to protection by minerals. {D}espite its importance for long-term carbon storage, the response of {MAOC} to changing climates in drylands, which cover more than 40% of the global land area, remains unexplored. {H}ere we assess topsoil organic carbon fractions across global drylands using a standardized field survey in 326 plots from 25 countries and 6 continents. {W}e find that soil biogeochemistry explained the majority of variation in both {MAOC} and {POC}. {B}oth carbon fractions decreased with increases in mean annual temperature and reductions in precipitation, with {MAOC} responding similarly to {POC}. {T}herefore, our results suggest that ongoing climate warming and aridification may result in unforeseen carbon losses across global drylands, and that the protective role of minerals may not dampen these effects.}, keywords = {{HONGRIE} ; {PORTUGAL} ; {ALGERIE} ; {ESPAGNE} ; {TUNISIE} ; {ARGENTINE} ; {BRESIL} ; {CHILI} ; {MEXIQUE} ; {EQUATEUR} ; {PEROU} ; {BOTSWANA} ; {KENYA} ; {NAMIBIE} ; {NIGER} ; {AFRIQUE} {DU} {SUD} ; {AUSTRALIE} ; {ETATS} {UNIS} ; {CANADA} ; {ISRAEL} ; {IRAN} ; {KAZAKHSTAN} ; {MONGOLIE} ; {CHINE} ; {PALESTINE}}, booktitle = {}, journal = {{N}ature {C}limate {C}hange}, volume = {14}, numero = {9}, pages = {976--982}, ISSN = {1758-678{X}}, year = {2024}, DOI = {10.1038/s41558-024-02087-y}, URL = {https://www.documentation.ird.fr/hor/fdi:010094677}, }