期刊论文

Chen, Yong-Hua(chenyonghua3333@163.com)

中文

环境科学

0250-3301

2022

43

10

4687-4696

10.13227/j.hjkx.202112264

52000183:国家自然科学基金 20A523:湖南省教育厅资助科研项目 HBKT-2021029:湖南省生态环境厅环保科研项目 CX20202050:中南林业科技大学研究生科技创新基金项目

本校为第一机构

植物修复是尾矿区恢复的一项生态技术,添加基质改良剂可以减轻重金属对植物的胁迫,提高修复效率.以木本植物栾树(Koelreuteria paruculata)作为供试植物,分别在100％尾矿(S)、90％的尾矿+5％蘑菇渣(SMC)+5％CaCO3(MS)和天然红壤(RS)中进行盆栽试验.探究不同处理下栾树耐受Pb和Zn的生长富集效应、微观特征变化和基质中微生物多样性变化.结果表明,改良剂的添加相比于尾矿可以显著改善尾矿基质的理化结构,显著提升栾树的生物量、株高和叶绿素含量等相关生理指标,增加栾树中积累的重金属含量.处理组MS相较于对照组RS总根长增长达到69.3％,而对照组RS平均根径相较于对照组S下降118.7％.处理组MS与对照...

Phytoremediation is an ecological technique for tailing area restoration; adding substrate modifiers can reduce the stress of heavy metals on plants and enhance the restoration efficiency. The woody plant Koelreuteria paniculata was used as a test plant and potted in 100% tailings (S), 90% tailings +5% mushroom residue (SMC) +5% CaCO3 (MS), and natural red soil (RS). The effects of physiological responses and tolerance enrichment effects on Pb and Zn tolerance in K. paniculata under different treatments were investigated to compare the growth m...