@article{fdi:010061773, title = {{A}bove-ground biomass and structure of 260 {A}frican tropical forests}, author = {{L}ewis, {S}. {L}. and {S}onke, {B}. and {S}underland, {T}. and {B}egne, {S}. {K}. and {L}opez-{G}onzalez, {G}. and van der {H}eijden, {G}. {M}. {F}. and {P}hillips, {O}. {L}. and {A}ffum-{B}affoe, {K}. and {B}aker, {T}. {R}. and {B}anin, {L}. and {B}astin, {J}. {F}. and {B}eeckman, {H}. and {B}oeckx, {P}. and {B}ogaert, {J}. and {D}e {C}anniere, {C}. and {C}hezeaux, {E}. and {C}lark, {C}. {J}. and {C}ollins, {M}. and {D}jagbletey, {G}. and {D}juikouo, {M}. {N}. {K}. and {D}roissart, {V}incent and {D}oucet, {J}. {L}. and {E}wango, {C}. {E}. {N}. and {F}auset, {S}. and {F}eldpausch, {T}. {R}. and {F}oli, {E}. {G}. and {G}illet, {J}. {F}. and {H}amilton, {A}. {C}. and {H}arris, {D}. {J}. and {H}art, {T}. {B}. and de {H}aulleville, {T}. and {H}ladik, {A}. and {H}ufkens, {K}. and {H}uygens, {D}. and {J}eanmart, {P}. and {J}effery, {K}. {J}. and {K}earsley, {E}. and {L}eal, {M}. {E}. and {L}loyd, {J}. and {L}ovett, {J}. {C}. and {M}akana, {J}. {R}. and {M}alhi, {Y}. and {M}arshall, {A}. {R}. and {O}jo, {L}. and {P}eh, {K}. {S}. {H}. and {P}ickavance, {G}. and {P}oulsen, {J}. {R}. and {R}eitsma, {J}. {M}. and {S}heil, {D}. and {S}imo, {M}. and {S}teppe, {K}. and {T}aedoumg, {H}. {E}. and {T}albot, {J}. and {T}aplin, {J}. {R}. {D}. and {T}aylor, {D}. and {T}homas, {S}. {C}. and {T}oirambe, {B}. and {V}erbeeck, {H}. and {V}leminckx, {J}. and {W}hite, {L}. {J}. {T}. and {W}illcock, {S}. and {W}oell, {H}. and {Z}emagho, {L}.}, editor = {}, language = {{ENG}}, abstract = {{W}e report above-ground biomass ({AGB}), basal area, stem density and wood mass density estimates from 260 sample plots (mean size: 1.2 ha) in intact closed-canopy tropical forests across 12 {A}frican countries. {M}ean {AGB} is 395.7 {M}g dry mass ha(-1) (95% {CI}: 14.3), substantially higher than {A}mazonian values, with the {C}ongo {B}asin and contiguous forest region attaining {AGB} values (429 {M}g ha(-1)) similar to those of {B}ornean forests, and significantly greater than {E}ast or {W}est {A}frican forests. {AGB} therefore appears generally higher in palaeo-compared with neotropical forests. {H}owever, mean stem density is low(426 +/- 11 stems ha(-1) greater than or equal to 100 mm diameter) compared with both {A}mazonian and {B}ornean forests (cf. approx. 600) and is the signature structural feature of {A}frican tropical forests. {W}hile spatial autocorrelation complicates analyses, {AGB} shows a positive relationship with rainfall in the driest nine months of the year, and an opposite association with the wettest three months of the year; a negative relationship with temperature; positive relationship with clay-rich soils; and negative relationships with {C} : {N}ratio (suggesting a positive soil phosphorus-{AGB} relationship), and soil fertility computed as the sum of base cations. {T}he results indicate that {AGB} is mediated by both climate and soils, and suggest that the {AGB} of {A}frican closed-canopy tropical forests may be particularly sensitive to future precipitation and temperature changes.}, keywords = {climate ; soil ; wood density ; {C}ongo {B}asin ; east {A}frica ; west {A}frica ; {AFRIQUE} ; {ZONE} {TROPICALE} ; {CONGO} {BASSIN}}, booktitle = {}, journal = {{P}hilosophical {T}ransactions of the {R}oyal {S}ociety {B}. {B}iological {S}ciences}, volume = {368}, numero = {1625}, pages = {20120295}, ISSN = {0962-8436}, year = {2013}, DOI = {10.1098/rstb.2012.0295}, URL = {https://www.documentation.ird.fr/hor/fdi:010061773}, }