@article{fdi:010078193,
  title = {{P}athways to persistence : plant root traits alter carbon accumulation in different soil carbon pools},
  author = {{R}ossi, {L}. {M}. {W}. and {M}ao, {Z}. and {M}erino-{M}artin, {L}. and {R}oumet, {C}. and {F}ort, {F}. and {T}augourdeau, {O}. and {B}oukcim, {H}. and {F}ourtier, {S}. and {D}el {R}ey-{G}ranado, {M}. and {C}hevallier, {T}iphaine and {C}ardinael, {R}. and {F}romin, {N}. and {S}tokes, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{A}ims {M}ineral-associated organic matter, mainly derived from microbial by-products, persists longer in soil compared to particulate organic matter ({POM}). {POM} is highly recalcitrant and originates largely from decomposing root and shoot litter. {T}heory suggests that root traits and growth dynamics should affect carbon ({C}) accumulation into these different pools, but the specific traits driving this accumulation are not clearly identified. {M}ethods {T}welve herbaceous species were grown for 37 weeks in monocultures. {R}oot elongation rate ({RER}) was measured throughout the experiment. {A}t the end of the experiment, we determined morphological and chemical root traits, as well as substrate induced respiration ({SIR}) as a proxy for microbial activity. {C}arbon was measured in four different soil fractions, following particle-size and density fractionation. {R}esults {R}oot biomass, {RER}, root diameter, hemicellulose content and {SIR} (characteristic of {N}-2-fixing {F}abaceae species), were all positively correlated with increased {C} in the coarse silt fraction. {R}oot diameter and hemicellulose content were negatively correlated with {C} in the {POM} fraction, that was greater under non {N}-2-fixing {P}oaceae species, characterized by lignin-rich roots with a high carbon:nitrogen ratio that grew slowly. {T}he accumulation of {C} in different soil pools was mediated by microbial activity. {C}onclusions {O}ur results show that root traits determine {C} input into different soil pools, mediated primarily by microbial activity, thus determining the fate of soil organic {C}. {W}e also highlight that {C} in different soil pools, and not only total soil organic {C}, should be reported in future studies to better understand its origin, fate and dynamics.},
  keywords = {{P}articulate organic matter ; {M}ineral-associated organic matter ; {C}arbon stabilization ; {P}hysical and density soil fractionation ; {R}oot biomass ; {R}oot elongation rate ; {S}ubstrate induced respiration ; {M}icrobial biomass},
  booktitle = {},
  journal = {{P}lant and {S}oil},
  volume = {452},
  numero = {1-2},
  pages = {457--478},
  ISSN = {0032-079{X}},
  year = {2020},
  DOI = {10.1007/s11104-020-04469-5},
  URL = {https://www.documentation.ird.fr/hor/fdi:010078193},
}