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Table 2 Parameter estimates of the performed reduced linear mixed-effect models for each functional trait ITVBI measure separately

From: Biotic and abiotic drivers of intraspecific trait variation within plant populations of three herbaceous plant species along a latitudinal gradient

Species

Functional trait CV

\({\text{R}}_{\text{M}}^{ 2} /{\text{R}}_{\text{C}}^{ 2}\)

AIC/ΔAIC

Climate

Local abiotic

Local biotic

Anemone nemorosa, (N = 37)

Plant height

0.524/0.531

90.86/10.29

GDH 12.75*/− 5.73

Soil Nb 7.29*/0.42

Species richness 6.26*/− 0.31

GDH2 14.70*/6.25

 

Functional divergence 7.41*/− 0.41

  

C-sign. 9.59**/0.46

Seed massb

0.202/0.202

105.18/12.22

–

–

Functional evennessc 4.43*/− 0.32

  

C-sign. 4.86*/0.34

SLAa

0.442/0.442

92.45/3.49

MAP 4.57*/− 0.30

S-sign. 8.76**/0.43

Functional richness 3.09(*)/− 0.24

  

Functional evennessc 7.77**/− 0.37

Leaf area

< 0.001/0.243

102.28/2.18

–

–

–

Milium effusum, (N = 39)

Plant height

0.236/0.434

105.37/16.17

GDH 5.31(*)/0.51

–

–

Seed mass

0.362/0.362

105.98/5.44

MAP 9.09*/− 0.56

Soil N 8.57**/− 1.53

–

GDH 12.70*/0.63

Soil N2 7.09*/1.44

 

SLAa

0.803/0.803

58.93/18.68

MAP 41.50***/− 0.57

Soil N 14.68***/− 1.25

Functional divergence 5.26*/− 0.18

 

Soil N2 19.30***/1.50

 
 

S-sign. 10.47**/− 0.27

 
 

S-sign.2 10.49**/0.25

 

Leaf area

< 0.001/0.272

112.11/8.82

–

–

–

Impatiens glandulifera, (N = 34)

Plant height

0.445/0.445

88.86/4.33

MAP 14.66*/− 8.85

S-sign. 9.18**/− 0.48

Functional evenness 5.38*/0.38

MAP2 15.54*/9.31

  

GDH 5.48*/0.50

  

Seed massb

0.110/0.110

99.41/6.43

–

–

Functional evenness 4.06(*)/0.34

Leaf areab

0.580/0.580

80.54/4.70

MAP 19.86*/− 6.70

S-sign. 6.39*/− 0.32

Functional divergence 3.49(*)/0.24

MAP2 21.78*/7.01

  
  1. Marginal (\({\text{R}}_{\text{M}}^{ 2}\)), conditional R2 (\({\text{R}}_{\text{C}}^{ 2}\)), AIC of the best model and ΔAIC for the full (initial) model given for each final model. Test statistic (F) and P-value (before slash) and beta-coefficient (after slash) given for each retained predictor after model reduction. All models based on coefficient of variation (CV)
  2. C-sign. mean abundance weighted functional competition signature, GDH growing degree hours, MAP mean annual precipitation, S-sign. mean abundance weighted functional stress signature, SLA specific leaf area, soil N soil nitrogen concentration
  3. (*) 0.10 ≥ P-value > 0.05; * 0.05 ≥ P-value > 0.01; ** 0.01 ≥ P-value > 0.001; *** 0.001 ≥ P-value
  4. aSquare root transformation, b logarithm transformation, c squared transformation
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BMC Ecology

ISSN: 1472-6785

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