Effects of environmental factors on genetic diversity of Caragana microphylla in Horqin Sandy Land, northeast China

被引：30

作者：

Huang, Wenda ^{[1
]}

Zhao, Xueyong ^{[1
]}

Zhao, Xin ^{[1
]}

Li, Yulin ^{[1
]}

Lian, Jie ^{[1
]}

机构：

[1] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Peoples R China

来源：

ECOLOGY AND EVOLUTION | 2016年 / 6卷 / 22期

关键词：

Caragana microphylla; environmental factors; genetic diversity; Horqin Sandy Land; intersimple sequence repeat; ARTEMISIA-HALODENDRON; POPULATION-STRUCTURE; LANDSCAPE GENETICS; SPECIES-DIVERSITY; INNER-MONGOLIA; CLIMATE-CHANGE; EVOLUTION; RESPONSES; ELEVATION; COMMUNITY;

D O I：

10.1002/ece3.2549

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Caragana microphylla (Leguminosae) is a dominant climax semishrub species in northern China. We evaluated genetic variation within and among populations sampled from three different environmental gradients in Horqin Sandy Land in northern China using intersimple sequence repeats markers and investigated the possible existence of relationships between genetic diversity and environmental factors. The results showed that C. microphylla have high genetic diversity, and environmental gradients affected genetic diversity of C. microphylla populations. Genetic diversity of all populations was affected by many environmental factors and as well correlated with warm index and soil Olsen phosphorus (SOP) concentration. These results have important implications for restoration and management of these degraded ecosystems in arid and semi-arid areas.

引用

页码：8256 / 8266

页数：11

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