The invention provides a Yangtze river cowfish survival
simulation method based on an ELAM model combined with
habitat fitness, and belongs to the technical field of ecological protection. Comprising the steps of collecting basic data in a research area; constructing a refined hydrodynamic model of the research area by adopting a finite volume method; simulating the movement of a channel ship, and constructing a dynamic time-varying shipping
noise field; introducing a Schaefer residual production function to quantify a reduction effect of
fishing on
food supply of the cowfishes, constructing an actual resource suitability index, and
coupling the actual resource suitability index with
water depth and flow velocity suitability to obtain a comprehensive
habitat suitability (HSI); and finally, utilizing an Euler-Lagrange
intelligent agent (ELAM) framework to drive a virtual cowfish individual to carry out sensing,
decision making and
motion simulation according to the environment gradient and the
noise pressure. According to the method, the ELAM model of
habitat fitness is combined, so that the influence of
fishing and shipping on the cowfishes can be quantitatively evaluated, and a scientific basis can be provided for ten-year fish prohibition planning and protection of the cowfishes in the Yangtze River.