Evaluation method and system of organic matter in water quality based on fish electrocardio indexes

Abstract

The invention discloses an evaluation method and system of water quality based on fish electrocardio indexes. The method comprises the following steps: receiving fish body electrocardio signals beforeand after fish contact with a solution which contains specific organic matter, and respectively extracting multiple kinds of electrocardio indexes; analyzing the relativity between environmental stress and each extracted electrocardio index according to a Pearson correlational analysis method, and screening the electrocardio indexes for evaluating the specific organic matter in the water quality;analyzing and evaluating environmental stress and linear regression models between various electrocardio indexes according to Akaike information criteria and the residual sum of squares so as to obtain the electrocardio indexes used for finally evaluating the organic matter in the water quality. Receive the fish body electrocardio signals before and after the fish contact with to-be-determined water, and respectively extracting an electrocardio index which is corresponding to a certain organic matter in determined evaluation water quality; contrast the extracted electrocardio indexes of the fish body electrocardio signals before and after the fish contact with the to-be-determined water so as to obtain electrocardio index changes for evaluating the corresponding organic matter in the to-be-determined water quality.

Description

technical field [0001] The disclosure belongs to the technical field of water quality evaluation, and relates to a method and system for evaluating organic matter in water quality based on fish ECG indicators. Background technique [0002] At present, the pollution of water environment is becoming more and more serious. Organic pollutants are one of the main factors of water pollution, among which organic pesticides are an important kind of organic pollutants, and the environmental pollution caused by organic pesticides has attracted people's attention day by day. They cause acute lethal or long-term effects on the normal physiological functions of fish, invertebrates and algae. Therefore, the safety and governance of the water environment are generally valued by people, and it is very important to realize water quality monitoring. [0003] Water quality evaluation is an important basic work in water environment governance. In the evaluation and governance of water polluti...

AI Technical Summary

Problems solved by technology

Although the existing physical and chemical methods can monitor water quality reasonably and effectively, because the compounds in the water environment have different effects on aquatic organisms and ecosystems, physical and chemical monitoring systems cannot detect the comprehensive effects of various compounds at different concentrations. influences

Additionally, the sensors used by physical and chemical monitoring methods require expensive maintenance and cannot be used to measure synergistic and antagonistic toxic effects associated with chemical mixtures

These sensors can only reflect local and short-term changes in aquatic ecosystems and cannot provide information about living conditions of organisms

Images