Spatial structure of genetic variability in natural stands of Fagus sylvatica L. (beech) in Italy
Spatial structure of genetic variability in natural stands of Fagus sylvatica L. (beech) in Italy
复制标题
意大利山毛榉自然林遗传变异的空间结构
作者：
S. Leonardi;P. Menozzi
我们报告了一个自相关研究的11个酶位点的淀粉凝胶电泳检测在14个人口超过意大利地理范围的山毛榉（山毛榉L。）。与先前对山毛榉和其他森林树种的研究一致，检测到了低水平的空间自相关。不同种群遗传变异的微空间结构数量与环境（纬度、经度、海拔）、结构（树体大小的平均值和标准差）和遗传特征（平均期望杂合度、平均FIS）之间没有相关性，如果排除低杂合度位点，则各位点间的空间结构数量没有显著差异。
We report an autocorrelation study of 11 enzyme loci detected by starch gel electrophoresis in 14 populations over the Italian biogeographical range of beech (Fagus sylvatica L.). In line with previous studies of beech and other forest tree species a low level of spatial autocorrelation was detected. No correlation between the amount of microspatial structuring of genetic variability in different populations and environmental (latitude, longitude, altitude), structural (mean and standard deviation of tree size) and genetic characteristics (mean expected heterozygosity, mean FIS) was found. No significant differences in the amount of spatial structuring seem to exist among loci if low heterozygosity loci are excluded from the analysis.