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81.
Effluents originating from pesticides, agro-chemicals, textile dyes and dyestuffs industries are always associated with high
turbidity, colour, nutrient load, and heavy metals, toxic and persistent compounds. But even with such an anthropogenic nature,
these effluents contain dynamic cyanobacterial communities. Documentation of cyanobacterial cultures along the water channels
of effluents discharged by above mentioned industries along the west coast of India and their relationship with water quality
is reported in this study. Intensity of pollution was evaluated by physico-chemical analysis of water. Higher load of solids,
carbon and nutrients were found to be persistent throughout the analysis. Sediment and water samples were found to be colored
in nature. Cyanobacterial community structure was found to be influenced by the anthropogenic pollution. 40 different cyanobacterial
species were recorded from 14 genera of 5 families and an elevated occurrence of Phormidium, Oscillatoria and Chroococcus genera was observed in all the sampling sites. 相似文献
82.
Citation of cyanobacterial cultures from the shores of south west coast of Gujarat, India and their relationship with sea water quality, influenced by extensive pollutant runoff is reported in this study. Intensity of pollution was evaluated by physico-chemical analysis of water. Higher load of suspended solids (60–1000 mg l−1) and nutrients (PO4
−P: 1.3–4 μmole l−1 and NO3
−N: 12.5–17.8 μmole l−1) were persistent throughout the analysis. Community structure is seen to be influenced by such persistent pollution. Twenty nine cyanobacterial species were isolated belonging to 9 genera of 4 families, with an elevated occurrence of Oscillatoria and Lyngbya species. No heterocystous cyanobacteria were isolated throughout the study. 相似文献
83.
Toxicity,degradation and analysis of the herbicide atrazine 总被引:3,自引:0,他引:3
Simranjeet Singh Vijay Kumar Arun Chauhan Shivika Datta Abdul Basit Wani Nasib Singh Joginder Singh 《Environmental Chemistry Letters》2018,16(1):211-237
Excessive use of pesticides and herbicides is a major environmental and health concern worldwide. Atrazine, a synthetic triazine herbicide commonly used to control grassy and broadleaf weeds in crops, is a major pollutant of soil and water ecosystems. Atrazine modifies the growth, enzymatic processes and photosynthesis in plants. Atrazine exerts mutagenicity, genotoxicity, defective cell division, erroneous lipid synthesis and hormonal imbalance in aquatic fauna and nontarget animals. It has threatened the sustainability of agricultural soils due to detrimental effects on resident soil microbial communities. The detection of atrazine in soil and reservoir sites is usually made by IR spectroscopy, ELISA, HPLC, UPLC, LC–MS and GC–MS techniques. HPLC/LC–MS and GC–MS techniques are considered the most effective tools, having detection limits up to ppb levels in different matrices. Biodegradation of atrazine by microbial species is increasingly being recognized as an eco-friendly, economically feasible and sustainable bioremediation strategy. This review presents the toxicity, analytical techniques, abiotic degradation and microbial metabolism of atrazine. 相似文献
84.
Somani Mohit Datta Manoj Ramana G. V. Hölzle Ingo Sundaram Ravi Sreekrishnan T. R. 《Journal of Material Cycles and Waste Management》2022,24(5):1902-1912
Journal of Material Cycles and Waste Management - This study characterizes the municipal solid waste (MSW) accumulated for more than 25 years at Bhalswa dumpsite, Delhi, India. 50... 相似文献