期刊论文详细信息
Turkish Journal of Biology
The Nickel Hyperaccumulating Plants of the Serpentines of Turkey and AdjacentAreas: A Review with New Data
ROGER D. REEVES1 
关键词: Nickel;    serpentine;    hyperaccumulation;    phytoremediation;    phytomining;    Alyssum;    Thlaspi;    Centaurea;   
学科分类:生物科学(综合)
来源: Scientific and Technical Research Council of Turkey - TUBITAK
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【 摘 要 】

Botanical exploration of serpentine soils in Turkey and neighbouring countries has shown that the region includes at least 59 taxa capable of hyperaccumulating nickel (to >0.1% of plant dry weight). These hyperaccumulators belong to the Brassicaceae (Aethionema R.Br., Alyssum L., Bornmuellera Hausskn., Pseudosempervivum (Boiss.) Grossh. (Cochlearia L.), and Thlaspi L. s.l.) and the Asteraceae (Centaurea L.). We review present knowledge of the hyperaccumulators and provide additional data recently obtained. Some species are serpentine-endemic and invariably Ni hyperaccumulating; others show more complex distribution and Ni-accumulating behaviour. Many are good subjects for biochemical studies on the Ni-accumulation and sequestering processes. There is potential in Turkey for exploiting Ni hyperaccumulation for remediation of Ni-contaminated soils (´phytoremediation´) and for economical selective extraction of metal compounds by cropping hyperaccumulators (´phytomining´). However, there is a need for further exploration of the natural resources and some further taxonomic work by traditional and DNA methods. Attention must be paid to conservation issues, as some of the relevant species are quite rare.

【 授权许可】

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