The analysis of phenotypic variation in common dandelion (Taraxacum officinale Wigg.) from biotopes with different levels of technogenic pollution

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作者
Savinov, AB [1 ]
机构
[1] Nizhni Novgorod State Univ, Nizhnii Novgorod 603600, Russia
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中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Variation in 11 phenotypic traits of common dandelion from four cenopopulations was compared to the data on the fluxes of airborne pollutants (heavy metals and petrochemicals) at the surface of corresponding biotopes in order to assess the role of these traits in bioindication and microevolution under technogenic conditions. It was found that the length and weight of achenes decrease at increased levels of biotope pollution, whereas the proportion of underdeveloped achenes and seed productivity increase.
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页码:318 / 321
页数:4
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