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Table 1 Parameters of the spatial genetic structure for Fagus sylvatica, Quercus robur, and Q. petraea

From: Factors determining fine-scale spatial genetic structure within coexisting populations of common beech (Fagus sylvatica L.), pedunculate oak (Quercus robur L.), and sessile oak (Q. petraea (Matt.) Liebl.)

 

Population/cohort

N

blogO(r)

DBH (SD)

Sp

blog (SD)

F(1)

Dc

Nb

σ

Fagus sylvatica

Adults (all)

347

-0.00108

41.36 (14.61)

0.0133

-0.0128 (0.0015)

0.0395

0.0069

75.199

29.44

   DBH < 32.3 cm

116

 

28.69 (2.25)

0.0127

-0.0122 (0.0018)

0.0386

0.0025

78.563

50.19

   32.3 cm ≤ DBH < 43.7 cm

116

 

37.68 (3.07)

0.0108

-0.0104 (0.0016)

0.0374

0.0029

92.322

50.71

   DBH ≥ 43.7 cm

115

 

57.85 (13.48)

0.0135

-0.0131 (0.0028)

0.0350

0.0025

73.884

48.56

Seedlings (all)

644

-0.00578

–

0.0122

-0.0119 (0.0009)

0.0301

0.0136

81.828

21.89

   with 1 local parent

343

 

–

0.0110

-0.0107 (0.0014)

0.0309

0.0076

90.769

30.73

   with 2 local parents

272

 

–

0.0160

-0.0154 (0.0015)

0.0340

0.0059

62.643

29.06

Saplings (all)

300

-0.00359

–

0.0157

-0.0150 (0.0016)

0.0436

0.0075

63.817

25.97

   with 1 local parent

217

 

–

0.0190

-0.0181 (0.0019)

0.0500

0.0055

52.531

27.66

   with 2 local parents

48

 

–

0.0171

-0.0165 (0.0041)

0.0378

0.0015

58.346

55.93

Quercus robur

Adults (all)

105

-0.00001

78.40 (18.19)

0.0080

-0.0080 (0.0014)

0.0158

0.0021

124.913

68.94

   DBH < 71.4 cm

35

 

60.19 (10.90)

0.0092

-0.0092 (0.0048)

0.0326

0.0008

107.646

102.70

   71.4 cm ≤ DBH < 83.5 cm

35

 

76.78 (3.50)

0.0092

-0.0090 (0.0034)

0.0434

0.0012

108.297

85.07

   DBH ≥ 83.5 cm

35

 

97.82 (10.45)

0.0087

-0.0089 (0.0030)

0.0177

0.0009

115.435

98.81

Seedlings (all)

191

-0.00203

–

0.0175

-0.0173 (0.0014)

0.0646

0.0045

56.986

31.88

   with 1 local parent

115

 

–

0.0158

-0.0157 (0.0012)

0.0557

0.0027

63.328

42.91

   with 2 local parents

70

 

–

0.0238

-0.0232 (0.0032)

0.0926

0.0018

42.054

42.72

Quercus petraea

Adults (all)

60

0.00001

76.07 (15.11)

0.0187

-0.0185 (0.0020)

0.0359

0.0013

53.612

56.24

   DBH < 68 cm

20

 

59.49 (9.01)

0.0230

-0.0228 (0.0074)

0.0376

0.0007

43.394

71.33

   68 cm ≤ DBH < 82 cm

20

 

76.42 (4.44)

0.0103

-0.0102 (0.0059)

-0.0146

0.0008

96.650

97.34

   DBH ≥ 82 cm

20

 

92.89 (9.42)

0.0096

-0.0098 (0.0042)

0.0251

0.0005

103.864

127.05

Seedlings (all)

456

-0.02209

–

0.0188

-0.0185 (0.0011)

0.0447

0.0110

53.319

19.68

   with 1 local parent

158

 

–

0.0166

-0.0165 (0.0013)

0.0449

0.0041

60.098

34.17

   with 2 local parents

291

 

–

0.0223

-0.0221 (0.0014)

0.0467

0.0084

44.931

20.68

  1. N number of individuals, DBH(SD) mean DBH of trees with standard deviation [cm], Sp coefficient of spatial genetic structure, blog(SD) the regression slope of Fij on the natural logarithm of the distance r, between individuals, with standard deviation, F(1), the mean Fij among individuals of the first distance class (0–20 m); Dc, density per m2; Nb, neighborhood size; σ, gene dispersal distance. Statistically significant (p < 0.05) values of blogO(r) and blog according to the permutation test are in bold