Indicators |
Main Role |
For Eq. 1 |
For Eq. 2 |
Leaf economics (module scale) |
Leaf economics (module scale) |
Leaf
economics (module scale) |
Leaf economics (module scale) |
Foliar Km (K) (g/kg) |
Maintaining water potential; promoting
photosynthesis (Ashraf et al., 2001) (PE) |
∝ cM
|
∝λ and Mmax
|
Foliar Nm (N) (g/kg) |
Increasing photosynthetic capacity (Takashima et
al., 2004; Reich and Walters 1994) (PE) |
∝ cM
|
∝λ and Mmax
|
Foliar Pm (P) (g/kg) |
P deficiency could restrict photosynthesis and
leaf growth (Mollier and Pellerin 1999) (PE or none) |
∝
cM or none |
∝λ and
Mmax
|
Foliar dry matter content (g/g) |
Indicating conservative resource use
strategy (NE) |
∝ 1/cm
|
∝1/λ and
1/Mmax
|
Stem economics (module scale) |
Stem economics (module scale) |
Stem
economics (module scale) |
Stem economics (module scale) |
Trunk bark thickness (Bark) (cm) |
Defence (Héraul et al., 2011) (PE) |
∝ cM
|
∝λ and
Mmax
|
Trunk wood moisture content (g/g) |
Relating to transport and structure
(Héraul et al., 2011) (PE) |
∝ cM
|
∝λ and
Mmax
|
Trunk xylem density (g/ml)
|
Defence (Héraul et al., 2011) but more increasing stem growth cost (King
et al., 2006) (NE)
|
∝gr
and 1/cM
|
∝1/λ and 1/Mmax
|
Morphological traits (overall scale) |
Morphological traits (overall
scale) |
Morphological traits (overall scale) |
Morphological traits
(overall scale) |
Crown width/(DBH+crown width) (abbreviated as CW/(D+CW)) |
Reflecting
the ratio of source uptake to consumption (PE) |
∝
cM
|
∝λ and
Mmax
|
Crown height/tree height
(abbreviated as CH/H)
|
Reflecting the ratio of source uptake to consumption (PE)
|
∝ cM
|
∝λ and Mmax
|
CW/(D+CW)CH/H
(termed Canopy /size)
|
Reflecting the proportion of canopy volume to tree volume (PE)
|
∝ cM
|
∝λ and Mmax
|
Sapwood area / heartwood area (abbreviated as SWA/HWA)
|
Relating to hydraulic conduction and respiration consumption (Carbone et
al. 2013) (NE)
|
∝ mr
and
1/cM
|
∝1/λ and 1/Mmax
|