Biodiv Sci ›› 2014, Vol. 22 ›› Issue (3): 375-384. DOI: 10.3724/SP.J.1003.2014.14013
• Original Papers • Previous Articles Next Articles
Aihong Yang1,2, Jinju Zhang3, Hua Tian1, Xiaohong Yao1,*(), Hongwen Huang1
Received:
2014-01-14
Accepted:
2014-04-25
Online:
2014-05-20
Published:
2014-06-04
Contact:
Yao Xiaohong
Aihong Yang, Jinju Zhang, Hua Tian, Xiaohong Yao, Hongwen Huang. Microsatellite genetic diversity and fine-scale spatial genetic structure within a natural stand of Liriodendron chinense (Magnoliaceae) in Lanmushan, Duyun City, Guizhou Province[J]. Biodiv Sci, 2014, 22(3): 375-384.
Fig. 1 Spatial distribution of Liriodendron chinense individu- als in Lanmushan population in Duyun, Guizhou. The five habitat fragments are circled with dash lines. CL, CR, MN, MS and MV refer to habitat fragments of left side of road in village, right side of road in village, north hill, south hill and hill valley, respectively. Different shapes represent two subpopulations, i.e. village subpopulation (●) and hill subpopulation (▲).
遗传参数 | N | A | AE | AR | Ho | HE | FIS |
---|---|---|---|---|---|---|---|
年龄层 Age class | |||||||
幼树 Seedling | 19 | 3.462 | 2.492 | 3.462 | 0.526 | 0.582 | 0.097 |
小树 Sapling | 33 | 3.462 | 2.428 | 3.372 | 0.491 | 0.554 | 0.116 |
壮树 Adolescent | 29 | 3.615 | 2.469 | 3.520 | 0.502 | 0.564 | 0.111 |
成年树 Adult | 39 | 3.308 | 2.478 | 3.273 | 0.517 | 0.558 | 0.075 |
生境斑块 Habitat fragments | |||||||
CL | 37 | 3.538 | 2.559 | 3.248 | 0.529 | 0.590 | 0.104 |
CR | 26 | 3.385 | 2.462 | 3.255 | 0.497 | 0.549 | 0.097 |
MN | 11 | 2.462 | 1.963 | 2.462 | 0.483 | 0.469 | -0.0031 |
MS | 35 | 3.308 | 2.067 | 2.788 | 0.484 | 0.486 | 0.004 |
MV | 11 | 2.846 | 2.302 | 2.846 | 0.559 | 0.564 | 0.009 |
物种水平 Species level | 120 | 4.000 | 2.508 | 4.000 | 0.508 | 0.563 | 0.099** |
Table 1 Summary of genetic diversity and fixation indices for four age-classes and five habitat fragments of Liriodendron chinense in Lanmushan population
遗传参数 | N | A | AE | AR | Ho | HE | FIS |
---|---|---|---|---|---|---|---|
年龄层 Age class | |||||||
幼树 Seedling | 19 | 3.462 | 2.492 | 3.462 | 0.526 | 0.582 | 0.097 |
小树 Sapling | 33 | 3.462 | 2.428 | 3.372 | 0.491 | 0.554 | 0.116 |
壮树 Adolescent | 29 | 3.615 | 2.469 | 3.520 | 0.502 | 0.564 | 0.111 |
成年树 Adult | 39 | 3.308 | 2.478 | 3.273 | 0.517 | 0.558 | 0.075 |
生境斑块 Habitat fragments | |||||||
CL | 37 | 3.538 | 2.559 | 3.248 | 0.529 | 0.590 | 0.104 |
CR | 26 | 3.385 | 2.462 | 3.255 | 0.497 | 0.549 | 0.097 |
MN | 11 | 2.462 | 1.963 | 2.462 | 0.483 | 0.469 | -0.0031 |
MS | 35 | 3.308 | 2.067 | 2.788 | 0.484 | 0.486 | 0.004 |
MV | 11 | 2.846 | 2.302 | 2.846 | 0.559 | 0.564 | 0.009 |
物种水平 Species level | 120 | 4.000 | 2.508 | 4.000 | 0.508 | 0.563 | 0.099** |
CL | CR | MN | MS | MV | |
---|---|---|---|---|---|
CL | - | 0.007 | 0.050* | 0.028* | 0.048* |
CR | 0.007 | - | 0.057* | 0.042* | 0.072* |
MN | 0.096* | 0.102* | - | 0 | 0 |
MS | 0.085* | 0.096* | 0 | - | 0 |
MV | 0.056* | 0.069* | 0 | 0.011 | - |
Table 2 Pairwise genetic differentiation FST (below diagonal) and RST (above diagonal) for habitat fragments of Liriodendron chinense population in Lanmushan. Fragment codes see Fig. 1.
CL | CR | MN | MS | MV | |
---|---|---|---|---|---|
CL | - | 0.007 | 0.050* | 0.028* | 0.048* |
CR | 0.007 | - | 0.057* | 0.042* | 0.072* |
MN | 0.096* | 0.102* | - | 0 | 0 |
MS | 0.085* | 0.096* | 0 | - | 0 |
MV | 0.056* | 0.069* | 0 | 0.011 | - |
Fig. 2 Results of STRUCTURE analysis based on all the individuals in Lanmushan population using 13 polymorphic microsatellite loci. (a) Plotted the mean likelihood L(K); (b) ∆K value; and (c) Assignments proportion of each individual from all the five habitat fragments. Codes for habitat fragments correspond to those in Fig. 1.
Fig. 3 Principal coordinate plot of genetic distance for the analyzed 120 individuals from five habitat fragments based on 13 SSR markers. The first two principal coordinates account for 13.58% and 9.43% of total genetic variation, respectively. Codes for habitat fragments correspond to those in Fig. 1.
组别 Group | N | P(r < permuted r) | F(1) | bF | Sp |
---|---|---|---|---|---|
整体 Whole population | 120 | 0.001 | 0.0532 | -0.0085* | 0.0090 |
寨内 Village subpopulation | 63 | 0.001 | 0.0151 | -0.0066 | 0.0067 |
山林 Hill subpopulation | 57 | 0.013 | 0.0147 | -0.0052 | 0.0053 |
Table 3 Spatial genetic structure statistics for Liriodendron chinense population in Lanmushan
组别 Group | N | P(r < permuted r) | F(1) | bF | Sp |
---|---|---|---|---|---|
整体 Whole population | 120 | 0.001 | 0.0532 | -0.0085* | 0.0090 |
寨内 Village subpopulation | 63 | 0.001 | 0.0151 | -0.0066 | 0.0067 |
山林 Hill subpopulation | 57 | 0.013 | 0.0147 | -0.0052 | 0.0053 |
Fig. 4 Correlogram of coefficients for the population Lanmushan, village subpopulation and hill subpopulation. Autocorrelation coefficient (r) (left) and average kinship coefficients Fij (right) between pairs of individuals plotted as the classified geographical distance. Dashed lines represent 95% confidence intervals under the null hypothesis that genotypes are randomly distributed, and error bars delineate standard errors from Jackknife estimates.
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