Table 1 Albedo α and net ecosystem productivity NEP of land cover types and species during the snow-free growing season (NEP > 0, index act) with standard errors for those groups including more than one site, and deviations from it (∆) during snow-free dormancy (NEP ≥ 0, index dorm) and snow or hoar-frost -affected periods (index snow, see methods for details).
αact | NEPact (gC m−2 month−1) | ∆αdorm | ∆NEPdorm (gC m−2 month−1) | ∆αsnow | ∆NEPsnow (gC m−2 month−1) | |
---|---|---|---|---|---|---|
CRO (cropland) | 0.20 ± 0.004 | 116 ± 11 | −0.02 | −159 | +0.30 | −135 |
CSH (closed shrubland) | 0.11 ± 0.004 | 29 ± 10 | −0.01 | −49 | +0.02 | −24 |
DBF (deciduous broadleaf forest) | 0.15 ± 0.004 | 101 ± 8 | −0.02 | −144 | +0.08 | −118 |
Brachystegia spiciformis | 0.13 | 12 | +0.02 | −45 | ||
Fagus sylvatica | 0.15 ± 0.013 | 126 ± 14 | −0.02 | −169 | ||
Populus tremuloides | 0.15 | 99 | −0.00 | −137 | +0.07 | −115 |
Quercus cerris | 0.15 | 154 | −0.05 | −187 | −0.00 | −144 |
Mix | 0.15 ± 0.006 | 105 ± 14 | −0.02 | −146 | +0.05 | −118 |
EBF (evergreen broadleaf forest) | 0.11 ± 0.002 | 62 ± 11 | −0.01 | −56 | +0.03 | −6 |
Eucalyptus microcarpa | 0.12 | 38 | ||||
Eucalyptus regnans | 0.10 | 151 | +0.02 | +5 | ||
Quercus ilex | 0.12 | 32 | +0.01 | −53 | +0.03 | −19 |
Mix | 0.11 ± 0.003 | 49 ± 14 | −0.00 | −54 | +0.03 | −3 |
ENF (evergreen needleleaf forest) | 0.10 ± 0.004 | 53 ± 5 | +0.01 | −71 | +0.10 | −56 |
Picea abies | 0.07 ± 0.003 | 70 ± 9 | +0.01 | −98 | +0.09 | −77 |
Picea mariana | 0.08 ± 0.004 | 40 ± 5 | +0.01 | −55 | +0.07 | −50 |
Pinus halepensis | 0.13 | 33 | −0.00 | −46 | ||
Pinus pinaster | 0.10 ± 0.006 | 59 ± 4 | +0.00 | −81 | +0.02 | −44 |
Pinus pinea | 0.12 | 52 | +0.01 | −87 | +0.04 | −43 |
Pinus sylvestris | 0.11 ± 0.014 | 56 ± 0 | +0.02 | −75 | +0.14 | −73 |
Mix | 0.09 ± 0.006 | 64 ± 20 | +0.00 | −72 | +0.06 | −60 |
GRA (grassland) | 0.19 ± 0.004 | 45 ± 4 | −0.00 | −70 | +0.27 | −57 |
MF (mixed forest) | 0.12 ± 0.013 | 67 ± 13 | −0.01 | −95 | +0.04 | −92 |
OSH (open shrubland) | 0.16 ± 0.018 | 29 ± 7 | +0.00 | −45 | +0.24 | −35 |
SAV (savanna) | 0.17 ± 0.021 | 23 ± 3 | +0.00 | −40 | ||
SNO (snow) | 0.22 ± 0.043 | 23 ± 10 | −0.02 | −34 | +0.51 | −29 |
WET (wetland) | 0.14 ± 0.011 | 45 ± 7 | −0.01 | −73 | +0.36 | −45 |
Carex acuta* | 0.19 | 57 | −0.01 | −87 | ||
Salix cinerea* | 0.17 | 64 | −0.01 | −106 | ||
WSA (woody savanna) | 0.14 ± 0.007 | 31 ± 7 | +0.00 | −44 | +0.05 | −20 |
Olea europaea* | 0.18 | 20 | −0.00 | −38 | ||
Prosopis velutina* | 0.16 | 14 | +0.00 | −26 | +0.02 | −21 |
Mix | 0.14 | 63 | ||||
All broad-leaved forests | 0.14 ± 0.004 | 89 ± 7 | −0.02 | −131 | +0.07 | −94 |
All deciduous-leaved forests | 0.15 ± 0.004 | 101 ± 8 | −0.02 | −144 | +0.08 | −118 |
All evergreen-leaved forests | 0.10 ± 0.003 | 55 ± 4 | +0.01 | −70 | +0.10 | −52 |
All needle-leaved forests | 0.10 ± 0.004 | 53 ± 5 | +0.01 | −71 | +0.10 | −56 |