Table 2 Multiple regression analyses of live fine-root stoichiometry.

From: Global-scale latitudinal patterns of plant fine-root nitrogen and phosphorus

Model

C

N

P

N:P

C:N

C:P

Latitude

0.007ns (254)

0.001ns (966)

0.193***(506)

0.129***(485)

0.019*(254)

0.125***(105)

MAT

0.008ns (248)

0.005*(918)

0.203***(483)

0.061***(463)

0.013ns (248)

0.127***(103)

MAP

0.005ns (248)

0.019***(958)

0.089***(500)

0.128***(479)

0.080**(248)

0.210***(103)

MAT+MAP

0.074*(246)

0.136***(916)

0.263***(481)

0.220***(461)

0.159***(246)

0.330***(101)

Soil N

0.164**(57)

0.256***(203)

0.013ns (66)

0.025ns (66)

0.215***(57)

0.030ns (24)

Soil P

0.165**(23)

0.023ns (86)

0.503***(50)

0.485***(48)

0.218*(23)

0.442***(19)

Soil N+P

0.308***(21)

0.434***(84)

0.555***(46)

0.504***(46)

0.419***(21)

0.747***(17)

Climate+Soil

0.466***(13)

0.592***(81)

0.764***(43)

0.729***(43)

0.664***(20)

0.911***(16)

  1. Overall model significance is ns (not significant, P>0.05), *(P<0.05), **(P<0.01) or ***(P<0.001). The numbers of samples are given in parentheses. The models labelled 'Climate+Soil' includes MAT, MAP, soil N and P as explanatory variables.