A Dual Role Study of Lampreys in Ecosystems Based on Multi-Model Analysis
DOI:
https://doi.org/10.62051/33j76j46Keywords:
Sex ratio; Ecosystem stability; Predictive modeling of Lampreys populations; Topsis modeling principles.Abstract
With environmental changes and increased human activities, changes in the sex ratio of Lampreys, a key secondary consumer, have a significant impact on the health and stability of aquatic ecosystems. To address this, this study created a seven-gill eel population prediction model based on the Lotka-Volterra Model incorporating a Bayesian Hierarchical Model suitable for changes in the seven-gill eel population. The model predicted the population density of Lampreys based on the sex ratio of Lampreys, analyzed the stability of the ecosystem based on the food web of Lampreys and concluded that the ecosystem was unstable when the sex ratio of Lampreys was close to 1:1, and the ecosystem became stable when the sex ratio of Lampreys was far away from 1:1. At the same time, this study also determined that Lampreys have the advantages of high survival rate, high life span, and high resource utilization in the ecosystem through the Topsis principle. The study of Lampreys populations is essential for understanding and protecting aquatic ecosystems, as well as helping to monitor water quality and environmental change. Thus, the study of their population size, distribution, and behavior contributes to the understanding and protection of aquatic ecosystems.
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