干旱区生态环境知识资源中心(Arid): Changing soil properties influenced vegetation diversity along effluent-dominated river courses in dry areas of north-western India

Arid

DOI	10.1111/wej.12943
	Changing soil properties influenced vegetation diversity along effluent-dominated river courses in dry areas of north-western India
	Singh, Genda; Nagora, Prem Raj; Haksar, Parul; Mishra, Deepak
通讯作者	Singh, G
来源期刊	WATER AND ENVIRONMENT JOURNAL
ISSN	1747-6585
EISSN	1747-6593
出版年	2024
卷号	38 期号:3 页码:481-499
英文摘要	Improving the environmental quality of effluent-dominated seasonal rivers is a fundamental challenge for sustaining life in drylands, where people utilize contaminated water to produce food, which ultimately accumulates in the food chain. Preventing further contaminations and phytoremediation are needed to avoid environmental degradation and health risks. This study aimed at analysing water quality and its impacts on soil and vegetation at effluent-impacted, river-edge and non-polluted (control) micro-habitats at five sites along Luni, Bandi and Jojari Rivers each in western Rajasthan. Soil and water samples were collected and analysed, and vegetation was recorded. River water exhibited high pH (7.60-8.60), electrical conductivity (EC; 2.45-38.20 dS m-1), total dissolved solid (TDS; 1.26-30.86 g L-1), alkalinity (24.0-250.0 mg L-1) and Na (1.50-30.00 g L-1), K (29.0-1100.0 mg L-1), Ca (136.0-3800.0 mg L-1) and Mn (0.05-83.92 mg L-1) concentrations and low NH4-N, NO3-N, PO4-P and heavy metals. Species numbers ranged between 32 along Luni and 20 along Jojari. Soil pH, EC, PO4-P and shrub richness (R), diversity (H ') and evenness (e') were highest for Bandi, whereas NH4-N, NO3-N, K and tree R and H ' were highest for Jojari River. Soil variables decreased and plant diversity increased downstream. Concentrations of Cd, Zn, Cr, Cu and Pb were above the acceptable limit in leaf of Salvadora persica and Prosopis juliflora. Principal component analysis (PCA) revealed significant relationships between different variables of river water, soil, and vegetation and 11 PCA axes. Conclusively, industry effluents negatively affected water, soil and river ecology. Effluent-impacted soils had high salinity and less diversity adapted by salt-tolerant species, complementary effects of which contribute to restoring the modified ecosystem and urban greening. Although people utilize effluent-contaminated water in irrigation, precautions should be taken to avoid environmental and animal/human health risks. Water quality and vegetation diversity were assessed for effluent-dominated Luni, Bandi, and Jojari Rivers. Low-quality water from effluent-dominated rivers enhanced soil pH, EC, PO4-P, and reduced vegetation diversity. Effluent-inflicted area was dominated by herbaceous vegetation tolerant to high salt and saline water. Species appearing in new habitats can be utilized in restoring and greening such degraded areas.
英文关键词	arid region industry effluents micro-habitats plant diversity seasonal rivers soil characteristics
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001261037500001
WOS关键词	WASTE-WATER ; HEAVY-METALS ; BIODIVERSITY ; ECOSYSTEM ; BIOAVAILABILITY ; IRRIGATION ; GRADIENTS ; WETLAND ; STREAMS ; SYSTEM
WOS类目	Environmental Sciences ; Limnology ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405908
推荐引用方式 GB/T 7714	Singh, Genda,Nagora, Prem Raj,Haksar, Parul,et al. Changing soil properties influenced vegetation diversity along effluent-dominated river courses in dry areas of north-western India[J],2024,38(3):481-499.
APA	Singh, Genda,Nagora, Prem Raj,Haksar, Parul,&Mishra, Deepak.(2024).Changing soil properties influenced vegetation diversity along effluent-dominated river courses in dry areas of north-western India.WATER AND ENVIRONMENT JOURNAL,38(3),481-499.
MLA	Singh, Genda,et al."Changing soil properties influenced vegetation diversity along effluent-dominated river courses in dry areas of north-western India".WATER AND ENVIRONMENT JOURNAL 38.3(2024):481-499.