@article{fdi:010088869,
  title = {{N}ot all sweetness and light : non-structural carbohydrate storage capacity in tree stems is decoupled from leaf but not from root economics},
  author = {{Z}hang, {G}. {Q}. and {M}ao, {Z}. and {M}aillard, {P}. and {B}rancheriau, {L}. and {G}{\'e}rard, {B}. and {E}ngel, {J}ulien and {F}ortunel, {C}laire and {H}euret, {P}. and {M}aeght, {J}ean-{L}uc and {M}artínez-{V}ilalta, {J}. and {S}tokes, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{N}on-structural carbohydrates ({NSC}) are considered as indicators of the balance between tree carbon sources and sinks and reflect functional strategies throughout different biomes. {H}owever, little is known about the contribution of {NSC} to tree economics, and in particular, whether leaf, stem and coarse root traits co-ordinate together into a whole-tree economics spectrum.{T}wenty-four functional traits (including {NSC} content) were measured in leaves, stem and coarse root xylem of up to 90 angiosperm tree species in temperate, {M}editerranean and tropical climates. {B}y performing principal component analysis and standardized major axis regression, we explored the relationships between {NSC} and other functional traits, as well as the effects of climate and phylogeny on these relationships.{O}ur results revealed a covariation between leaf and coarse root {NSC} content and leaf economic traits, whereas stem {NSC} content was largely decoupled from the leaf economics spectrum that was mostly driven by leaf nitrogen content and leaf mass per area. {C}oarse root xylem traits were closely correlated with leaf traits, while most stem xylem traits were independent from the leaf economics spectrum but covaried with coarse root traits. {T}rade-offs among traits in tropical species opposed those from other climates. {E}volutionary history affected relationships among certain traits but did not change overall patterns.{W}e conclude that due to leaf habit, an extended growing season and heightened defences, tropical species form distinct conservative resource acquisition strategies. {A}cross all climates, as the stem must provide an efficient transport route between roots and leaves, while maintaining the display of branch and leaf organs, stem xylem design and {NSC} storage capacity lead to a stem economics spectrum that is largely independent from the leaf spectrum, but is coupled with that of coarse roots due to anatomical continuity.{R}ead the free {P}lain {L}anguage {S}ummary for this article on the {J}ournal blog. {R}ead the free {P}lain {L}anguage {S}ummary for this article on the {J}ournal blog.image},
  keywords = {climates ; economics spectrum ; functional traits ; leaf habit ; non-structural carbohydrates ; storage ; trade-offs},
  booktitle = {},
  journal = {{F}unctional {E}cology},
  volume = {[{E}arly access]},
  numero = {},
  pages = {[11 p.]},
  ISSN = {0269-8463},
  year = {2023},
  DOI = {10.1111/1365-2435.14492},
  URL = {https://www.documentation.ird.fr/hor/fdi:010088869},
}