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Optimal climate for large trees at high elevations drives patterns of biomass in remote forests of Papua New Guinea [Global Change Biology]

Keywords : carbon, elevation transect, forest biomass, large trees, natural disturbance, optimal climate condition, steep slopes, tropical montane forest

par Frédéric Magné - publié le , mis à jour le

Our ability to model global carbon fluxes depends on understanding how terrestrial carbon stocks respond to varying environmental conditions. Tropical forests contain the bulk of the biosphere’s carbon. However, there is a lack of consensus as to how gradients in environmental conditions affect tropical forest carbon. Papua New Guinea (PNG) lies within one of the largest areas of contiguous tropical forest and is characterized by environmental gradients driven by altitude ; yet, the region has been grossly understudied. Here, we present the first field assessment of aboveground biomass (AGB) across three main forest types of PNG using 193 plots stratified across 3,100-m elevation gradient.(...)

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