Abstract
By establishing a fuzzy mathematical evaluation model based on physical and chemical indicators, this paper investigates the genetic toxic pollution of Chaohu Lake in 2016 through the micronucleus technology of the Vicia faba root tip and evaluates the water quality of Chaohu Lake. The results show that, in recent years, the overall water quality of the lakes around Chaohu has improved slightly, but the pollution levels of some areas (such as Nan Fei He and Shi Wu Li He) are still serious. The results can also provide a more reliable theoretical basis for the planning and management of environment protection.
Highlights
In recent years, the pollution status of water quality has been mostly based on conventional physical and chemical indicators, but it is hard to fully reflect the mixed effect of pollutants using the existing physical and chemical detection technology [1,2,3,4]
By establishing a fuzzy mathematical evaluation model based on physical and chemical indicators, this paper investigates the genetic toxic pollution of Chaohu Lake in 2016 through the micronucleus technology of the Vicia faba root tip and evaluates the water quality of Chaohu Lake
The plant genetic toxicity test can be widely used in the toxicological detection of important pollutants in water samples without knowing the chemical composition because of its short time consumption, low cost, and high sensitivity [5,6,7,8,9]
Summary
The pollution status of water quality has been mostly based on conventional physical and chemical indicators, but it is hard to fully reflect the mixed effect of pollutants using the existing physical and chemical detection technology [1,2,3,4]. The micronucleus test of the Vicia faba root tip is a plant genetic toxicity experiment [10,11,12,13] This experiment has been widely used as a standard method in water environment monitoring and listed in the “Water and Wastewater Monitoring and Analysis Method” [14]. From the characteristics of Chaohu Lake and the pollution sources of the rivers entering the lake, the source of pollution in the west district is more than that in east district, especially in the mouth of Nan Fei He in the west district. This channel directly accepts a large number from Hefei City. This paper starts from the aspect of water environment detection, chooses the root tip of Vicia faba as the experimental material, selects the water body of the main river of Chaohu Lake as the sample, analyzes the data through the micronucleus experiment and fuzzy comprehensive evaluation method, compares the physical and chemical indicators of water quality, and comprehensively evaluates the water quality of Chaohu Lake
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