Table 5

Spatial genetic structure, Sp statistics and estimates of gene flow distances in four eastern white cedar populations

Region

Population

^F1

^F2

^F3

^F4

^F5

b-log (^bF)

Sp

Nb

σg (m) (De/D = 0.1)

σg (m) (De/D = 0.5)


Core

ED

0.047*

-0.013*

-0.001

-0.001

-0.008

-0.017*

0.018

56.73

98.29

43.96

PA

0.015*

0.004

0.006

0.008

-0.013

-0.009*

0.009

106.41

119.98

53.66

Peripheral

CL

0.045*

0.023*

0.003

-0.008

-0.005

-0.015*

0.016

64.00

167.32

74.83

RL

0.070*

0.027*

0.026*

0.015*

0.014*

-0.029*

0.031

32.08

103.14

46.13

Average core

0.031

0.004

0.003

0.004

-0.011

-0.013

0.014

81.57

109.14

48.81

Average peripheral

0.057

0.025

0.015

0.004

0.005

-0.022

0.023

48.04

135.23

60.48


^F1, ^F2, ^F3, ^F4 and ^F5: mean kinship coefficient (Fij) [57] between individuals belonging to the first (0-15 m), second (15-30 m), third (30- 45 m), fourth (45-60 m) and fifth (60-75 m) distance classes, respectively; b-log (^bF): Slope of the regression of kinship with ln(dist); Sp: statistic defined by the ratio _^bF/(1 - ^F1), where ^bF is the regression slope of the autocorrelogram; ^F1 is the mean kinship coefficient (Fij) between individuals belonging to the first (0-15 m) distance class [20]; Nb Wright's neighbourhood size; σg, estimate of gene flow distance from Sp, assuming different ratios of effective (De) to census density (D); *, significant (P < 0.05)

ED, Edmundston; PA, Perth Andover; CL, Cedar Lake; RL, Rockland

Pandey and Rajora BMC Evolutionary Biology 2012 12:48   doi:10.1186/1471-2148-12-48

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