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Table 2 Analysis of variance (R standard library) of the fraction of incident photosynthetically active radiation absorbed by P. halepensis trees

From: Asymmetric competition increases leaf inclination effect on light absorption in mixed canopies

Factor

Df

F value

Significance

Month

11

3.72e+4

*

POR

2

6.23e+5

*

D

2

1.41e+5

*

LAI

3

4.73e+5

*

PA

5

6.56e+3

*

OA

6

0.419

NS

Month × POR

22

29.3

*

Month × D

22

1.24e+4

*

Month × LAI

33

56.0

*

Month × PA

55

4.05e+2

*

Month × OA

66

1.25e−2

NS

POR × D

4

1.39e+2

*

POR × LAI

6

2.32e+3

*

POR × PA

10

1.51e+2

*

POR × OA

12

3.22e−2

NS

D × LAI

6

4.29e+2

*

D × PA

10

1.38e+3

*

D × OA

12

0.426

NS

LAI × PA

15

46.0

*

LAI × OA

18

1.23e−2

NS

PA × OA

30

3.40e−3

NS

Residuals

17793

  
  1. Factors were pine inclination distribution (PA), oak inclination distribution (OA), diffuse radiation fraction (D), pine/oak ratio (POR), month, and leaf area index (LAI)
  2. NS not significant
  3. *P < 0.001, significant effects