Genetic variation in Arabis petraea, a disjunct species in northern Europe

被引：49

作者：

Jonsell, B ^{[1
]}

Kustas, K ^{[1
]}

Nordal, I ^{[1
]}

机构：

[1] UNIV OSLO,DEPT BIOL,N-0316 OSLO,NORWAY

来源：

ECOGRAPHY | 1995年 / 18卷 / 04期

关键词：

D O I：

10.1111/j.1600-0587.1995.tb00135.x

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Variation at 7 isoenzyme loci was studied in 15 populations (6 from Iceland, 4 from W Norway 4 from central Sweden at the Bothnian Gulf, and 1 from Russian Karelia). Heterozygosity within populations was found to be remarkably high compared with taxa with similar reproductive systems and phytogeographical histories. Genetic distances calculated from isoenzyme data showed a close connection between the Norwegian and Swedish populations, indicating a western rather than an eastern immigration route for the isolated Swedish population. Leaf shape variation displayed a large scale geographical pattern with strong differences between regions and low variation within populations.

引用

页码：321 / 332

页数：12

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