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River ecosystem food web construction and structural function analysis method and platform

A technology for analyzing river ecosystems and functions, applied in data processing applications, instruments, complex mathematical operations, etc. Realization and other issues

Pending Publication Date: 2022-07-29
TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

This product is mainly used for fish populations, and the simulation of large invertebrate communities is difficult due to insufficient measurement parameters
In addition, the common problems of the above two sets of products include: a) strict requirements for the predation relationship matrix as input items, and qualitative simulation and analysis cannot be carried out for samples lacking predation relationships; b) lack of food web system stability analysis module; and c) Inability to identify food web key species

Method used

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  • River ecosystem food web construction and structural function analysis method and platform
  • River ecosystem food web construction and structural function analysis method and platform
  • River ecosystem food web construction and structural function analysis method and platform

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Embodiment Construction

[0026] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0027] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] figure 1 It is a flow char...

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Abstract

The invention discloses a river ecosystem food web construction and structural function analysis method and platform. The method comprises the following steps: automatically obtaining actual measurement results of a composition structure and biomass of a river ecosystem; constructing a predation matrix taking benthonic animals as a main body in the fresh water ecological system; determining a food chain table list in the food web system; calculating structural characteristic parameters of the food web system and the nutrition level of each nutrition class group, constructing input data of the food web analysis system, constructing a biomass flux matrix, constructing a food web system matrix, and solving a food web system stability index under a preset condition; selecting a single nutrition class group, calculating the change condition of the stability of the food web system, and quantifying the importance degree of the single nutrition class group to the food web system. According to the method, the food web system of the sample points can be quickly constructed, and the structural features, functional features, stability and key species of the food web system are systematically analyzed, calculated and visualized.

Description

technical field [0001] The invention relates to the technical field of ecosystem food web construction, in particular to a method and platform for river ecosystem food web construction and structure function analysis. Background technique [0002] The structure and function of the ecosystem is one of the core directions of ecological research. As an explicit expression of ecosystem, food web can effectively reflect the diversity, structure and functionality of ecosystem, and quantify the material cycle and energy transfer process of ecosystem. The analysis of the structure and function of the aquatic food web can well serve the work of river and lake water quality monitoring, watershed health assessment, wetland ecological management, invasive species prevention and target species conservation. [0003] The research on the structure of aquatic food web is based on the construction of the food web-predation relationship matrix, and the calculation and statistics of food web ...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/26G06F17/18
CPCG06Q10/063G06Q10/0639G06Q50/26G06F17/18
Inventor 徐梦珍周雄冬王聪聪张家豪罗雅祺
Owner TSINGHUA UNIV
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