Table 1 Bioclimatic envelopes used in the biogeography model

From: Future transition from forests to shrublands and grasslands in the western United States is expected to reduce carbon storage

Plant functional type

Tc (oC)

Tw (oC)

min P (mm/year)

min \(\frac{{{{\rm{AET}}}}}{{{{\rm{PET}}}}}\)

Boreal Forest

−60

21

200

0.60

Mixed Temperate Forest (Coniferous)

−40

24

300

0.60

Mixed Temperate Forest (Deciduous)

−10

21

750

0.60

Temperate Coniferous Forest

−40

24

300

0.60

Temperate Deciduous Forest

−10

21

750

0.60

Short Grassland

−20

35

250

0.50

Arid Shrubland

0

35

100

0.50

Xeromorphic Forest & Woodlands

−5

32

250

0.55

Temperate Broadleaf Evergreen Forest

−10

25

750

0.60

  1. Tc mean temperature of the coldest month, Tw = mean temperature of the warmest month, min P = minimum annual minimum precipitation, and min \(\frac{{{{\rm{AET}}}}}{{{{\rm{PET}}}}}\) = minimum moisture stress index.