@article{fdi:010079400,
  title = {{A} new in-field indicator to assess the impact of land management on soil carbon dynamics},
  author = {{T}houmazeau, {A}. and {C}hevallier, {T}iphaine and {B}aron, {V}. and {R}akotondrazafy, {N}. and {P}anklang, {P}. and {M}arichal, {R}. and {K}ibblewhite, {M}. and {S}ebag, {D}avid and {T}ivet, {F}. and {B}essou, {C}. and {G}ay, {F}. and {B}rauman, {A}lain},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he assessment of the impacts of land-use and management on soil organic carbon ({SOC}) dynamics is a major environmental concern, as the soil carbon cycle underpins key ecosystem services. {H}owever, assessments based on short-term {SOC} dynamics face methodological and experimental difficulties. {H}urisso et al. (2016) proposed a method to assess {SOC} dynamics by coupling two methods: {P}ermanganate {O}xidizable {C}arbon ({POXC}) and {B}asal {S}oil {R}espiration ({BSR}). {T}his method has been used in laboratory on dried and re-wetted soil samples from temperate regions mainly. {I}n our study, we adapted this method to the field and proposed a cost-effective in-field indicator combining the {POXC} and in situ {B}asal {S}oil {R}espiration ({S}itu{R}esp ({R}) method). {W}e tested the indicator at four study sites (n = 169 points) within various tropical land-use and management contexts based on rubber, soybean and oil palm cropping systems respectively in {T}hailand, {C}ambodia and {I}ndonesia. {T}he results demonstrated the relevance, sensitivity and robustness of the {POXC}-{S}itu{R}esp ({R}) indicator to characterize the impact of a gradient of disturbance on {SOC} dynamics. {T}he results also highlighted the potential of conservation agriculture (no-tillage and crops residues) and compost amendments to accumulate {SOC}. {R}ock-{E}val ({R}) analysis showed that {POXC}-{S}itu{R}esp ({R}) indicator is negatively linked to excess of potentially mineralizable labile carbon. {C}arbon pools targeted by the {POXC} were specified by {R}ock-{E}val ({R}) pyrolysis measurements to be a rather thermal resistant pool of {SOC}. {O}ur study confirms that the integrated indicator based on {POXC} and {BSR} assess a relative carbon stabilization of {SOC} pools. {T}his indicator can be measured in the field by a rapid and cost-effective method.},
  keywords = {{I}n-field indicator ; {S}oil carbon dynamics ; {L}and management ; {T}ropical conditions ; {POXC} ; {S}itu{R}esp ({R}) ; {THAILANDE} ; {CAMBODGE} ; {INDONESIE} ; {CHACHOENGSAO} ; {KHON} {KAEN} ; {BOS} {KHNOR} ; {SUMATRA} {ILE} ; {RIAU} {PROVINCE}},
  booktitle = {},
  journal = {{G}eoderma},
  volume = {375},
  numero = {},
  pages = {art. 114496 [10 p.]},
  ISSN = {0016-7061},
  year = {2020},
  DOI = {10.1016/j.geoderma.2020.114496},
  URL = {https://www.documentation.ird.fr/hor/fdi:010079400},
}