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Method and device for calculating suitability of waterfowl habitat under gate dam dispatching

A computational method and a technology of suitability, applied in the field of ecological science, which can solve the problem that the model cannot achieve good results.

Active Publication Date: 2021-05-11
NANJING HYDRAULIC RES INST +1
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  • Application Information

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Problems solved by technology

However, due to the influence of flow regime on wetland landscape type transformation, the model cannot achieve good results in landscape change prediction

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  • Method and device for calculating suitability of waterfowl habitat under gate dam dispatching
  • Method and device for calculating suitability of waterfowl habitat under gate dam dispatching
  • Method and device for calculating suitability of waterfowl habitat under gate dam dispatching

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Embodiment Construction

[0035] The solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0036] Such as figure 1 As shown, the embodiment of the present invention discloses a method for calculating the habitat suitability of waterfowl under the gate and dam scheduling based on the cellular automata Markov model of the hydrodynamic model-multi-index evaluation criteria-habitat suitability evaluation model, mainly Include the following steps:

[0037] (1) Obtain the selected target waterfowl species and evaluation factors. The present invention selects the landscape type, water source distance and human activity distance as the evaluation factors of the waterfowl habitat suitability evaluation model.

[0038] In this example, the white crane is selected as a representative water bird. The white crane, also known as the Siberian crane, is a large wading bird, slightly smaller than the red-crowned crane, with a body ...

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Abstract

The invention discloses a waterfowl habitat suitability calculation method and device under gate dam dispatch, and the method comprises the steps: selecting a landscape type, a water source distance and a human activity distance as waterfowl habitat suitability evaluation factors, and obtaining the water source distance and water regimen data in a region through constructing a hydrodynamic model containing gate dam dispatch; according to remote sensing data, topographic data and water regimen data, predicting the landscape type through a cellular automaton Markov model of a multi-index evaluation criterion, and finally generating a waterfowl habitat suitability graph under gate dam scheduling through a waterfowl habitat suitability index evaluation model in combination with the water source distance, the landscape type and the human activity distance. The method combines hydraulics, ecology and network dynamics model principles, has clear physical meaning and theoretical basis, can effectively simulate the evolution process of the waterfowl habitat under gate dam scheduling, is helpful for the development of a waterfowl habitat evaluation model, and provides reliable guidance for wetland biodiversity protection.

Description

technical field [0001] The present invention relates to the field of ecological science, in particular to a method and device for calculating habitat suitability for waterfowl under gate and dam scheduling based on a hydrodynamic model-multi-index evaluation criterion cellular automaton Markov model-habitat suitability evaluation model . Background technique [0002] Wetland waterbirds play an important role in maintaining the stability of wetland ecosystems. However, with the increasing interference of human activities on the wetland ecological environment, the natural balance of the wetland ecosystem has become more and more out of balance, which has caused considerable pressure on the living environment of waterbirds. Among them, the construction of large-scale water conservancy projects (such as dams and sluices) has seriously changed the hydrological pattern of rivers and lakes and wetlands, resulting in relatively large changes in the habitat of waterbirds. At presen...

Claims

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Application Information

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IPC IPC(8): G06F30/28G06K9/62
CPCG06F30/28G06F2119/14G06F2113/08G06F18/295Y02A40/22
Inventor 陈求稳姚斯洋陈诚李夫健张建云何梦男丁凯
Owner NANJING HYDRAULIC RES INST
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