干旱区生态环境知识资源中心(Arid): Study on the Desorption Behavior and Bioavailability of Polycyclic Aromatic Hydrocarbons in Different Rocky Desertification Soils

Arid

DOI	10.15244/pjoes/149999
	Study on the Desorption Behavior and Bioavailability of Polycyclic Aromatic Hydrocarbons in Different Rocky Desertification Soils
	An, Xianjin; Li, Wei; Lan, Jiacheng; Di, Xinyue
通讯作者	Li, W
来源期刊	POLISH JOURNAL OF ENVIRONMENTAL STUDIES
ISSN	1230-1485
EISSN	2083-5906
出版年	2022
卷号	31 期号:5 页码:4523-4537
英文摘要	Karst desertification areas are extremely fragile ecological environments. The migration and transformation of Polycyclic aromatic hydrocarbons (PAHs) in desertification soils are still rarely studied, and the relevant impact mechanisms remain unclear. The study selected lime soil with different rocky desertification grades in southwestern karst area and phenanthrene and pyrene in the environment as the research objects, and investigated the desorption behavior of PAHs in different rocky desertification soils and the impact mechanism of earthworm bioavailability. The results showed that in severe rocky desertification soil (SRDS), moderate rocky desertification soil (MRDS) and light rocky desertification soil (LRDS), fraction of rapid desorption (F rap) of phenanthrene increased by 18.51%, 14.03% and 9.65%, respectively compared with non-rocky desertification soil (NRDS); F (rap) of pyrene increases by 15.79%, 5.53% and 4.32%, respectively. The bioavailability fraction (F (bio)) of PAHs in karst desertification areas was about twice that of Tenax1- 6h extraction concentration. The desorption intensity and bioavailability components of PAHs in soils increase with the increase of rocky desertification. Pearson and redundancy analysis(RDA)showed base saturation, porosity and SOC were the main physical and chemical properties that affect the desorption capacity and bioavailability accumulation factors of PAHs in karst soils. Calcium ions in the soil of karst desertification areas may promote the desorption of PAHs.
英文关键词	desertification soil PAHs desorption bioavailability
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000888867900004
WOS关键词	ORGANIC-MATTER COMPOSITION ; AGRICULTURAL SOILS ; METAL-CATIONS ; BLACK CARBON ; SORPTION ; PAHS ; SEDIMENTS ; CHINA ; TENAX ; PHENANTHRENE
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394060
推荐引用方式 GB/T 7714	An, Xianjin,Li, Wei,Lan, Jiacheng,et al. Study on the Desorption Behavior and Bioavailability of Polycyclic Aromatic Hydrocarbons in Different Rocky Desertification Soils[J],2022,31(5):4523-4537.
APA	An, Xianjin,Li, Wei,Lan, Jiacheng,&Di, Xinyue.(2022).Study on the Desorption Behavior and Bioavailability of Polycyclic Aromatic Hydrocarbons in Different Rocky Desertification Soils.POLISH JOURNAL OF ENVIRONMENTAL STUDIES,31(5),4523-4537.
MLA	An, Xianjin,et al."Study on the Desorption Behavior and Bioavailability of Polycyclic Aromatic Hydrocarbons in Different Rocky Desertification Soils".POLISH JOURNAL OF ENVIRONMENTAL STUDIES 31.5(2022):4523-4537.