Contribution of tree community structure to forest productivity across a thermal gradient in eastern Asia

These CSV and R script files are the dataset and codes used for the analysis in the following journal paper:

Kohyama, T.I., Sheil, D., Sun, IF. et al. Contribution of tree community structure to forest productivity across a thermal gradient in eastern Asia. Nat Commun 14, 1113 (2023). https://doi.org/10.1038/s41467-023-36671-1

Contents

d0.csv — Individual tree-stem size data obtained by two censuses in 60 forest plots in eastern Asia

plot_id — Plot ID

species — Scientific name

t1 — Year of the first census

t2 — Year of the second census

dbh1 — Stem diameter (cm) at the first census*1

dbh2 — Stem diameter (cm) at the second census*1

w1 — Estimated above ground biomass (Mg C ha−1) at the first census

w2 — Estimated above ground biomass (Mg C ha−1) at the first census

wl1 — Estimated leaf biomass (Mg C ha−1) at the first census

wl2 — Estimated leaf biomass (Mg C ha−1) at the second census

d1.csv — Species-level biomass, productivity and other turnover rates in each of 60 forest plots in eastern Asia

plot_id — Plot ID

t1 — Year of the first census

t2 — Year of the second census

species — Scientific name

N — Period mean number of stems (ha−1)

B — Period mean above ground biomass (Mg C ha−1)

Bl — Period mean leaf biomass (Mg C ha−1)

p — Relative above ground biomass productivity rate (year−1)

l — Relative above ground biomass loss rate (year−1)

P — Absolute above ground biomass productivity rate (Mg C ha−1 year−1)

L — Absolute above ground biomass loss rate (Mg C ha−1 year−1)

pl — Relative leaf biomass productivity rate (year−1)

ll — Relative leaf biomass loss rate (year−1)

Pl — Absolute leaf biomass productivity rate (Mg C ha−1 year−1)

Ll — Absolute leaf biomass loss rate (Mg C ha−1 year−1)

w_max — Period mean above ground biomass of the largest tree (Mg C ha−1)

w_99 — The 99-th percentaile of tree above ground biomass (Mg C ha−1)

rgr_max — Relative growth rate of the largest tree (year−1)

plot_metadata.csv — Metadata (e.g. location and climate variables) for 60 forest plots in eastern Asia

plot_id — Plot ID

latitude — Latitude in decimal degrees (°)

longitude — Longitude in decimal degrees (°)

elevation — Elevation (m)

area — Plot area (ha)

MAT — Mean annual temperature (°C)*2

AP — Annual precipitation (mm year−1)*2

PET — Potential evapotranspiration (mm year−1)*2

annual_litterfall.csv — Annual fine litterfall (i.e. canopy productivity) obtained by monthly litterfall records collected by litter traps during same census period in 22 forest plots

plot_id — Plot ID

Plitter — Annual litterfall production (Mg C ha−1 year−1)

max_tree_height.csv — Tallest tree height for 388 species in 11 forest plots

plot_id — Plot ID

species — Scientific name

H_max — tallest tree height (m)

productivity.r — R script for estimating forest-level aboveground net productivity

*1 No-record diameters due to death in the second census and pre-recruitment in the first census were set to zero.

*2 Climate data for the period 1981–2010 were obtained from CHELSA version 2.1 (Krager et al. 2021 EnviDat, https://doi.org/10.16904/envidat.228.v2.1)