基于Agent-based的森林火灾下生态系统仿真研究

doi:10.16182/j.issn1004731x.joss.22-0155

系统仿真学报 ›› 2023, Vol. 35 ›› Issue (6): 1362-1371.doi: 10.16182/j.issn1004731x.joss.22-0155

基于Agent-based的森林火灾下生态系统仿真研究

李颖¹(), 杜逆索¹^,²(), 欧阳智²

^1.贵州大学计算机科学与技术学院，贵州贵阳 550025
^2.贵州大数据产业发展应用研究院，贵州贵阳 550025

收稿日期:2022-03-02 修回日期:2022-04-16 出版日期:2023-06-29 发布日期:2023-06-20
通讯作者: 杜逆索 E-mail:1969370410@qq.com;nsdu@gzu.edu.cn
作者简介:李颖(1996-)，女，硕士生，研究方向为复杂系统的建模与仿真。E-mail：1969370410@qq.com
基金资助:
贵州省重大科技专项(20183002);贵州大学培育项目([2020]-41)

Agent-based Ecosystem Simulation Research under Forest Fire

Ying Li¹(), Nisuo Du¹^,²(), Zhi Ouyang²

^1.School of Computer Science and Technology, Guizhou University, Guiyang 550025, China
^2.Guizhou Big Data Academy, Guiyang 550025, China

Received:2022-03-02 Revised:2022-04-16 Online:2023-06-29 Published:2023-06-20
Contact: Nisuo Du E-mail:1969370410@qq.com;nsdu@gzu.edu.cn

摘要/Abstract

摘要：

为研究森林火灾对动物物种数量平衡的影响，提出一种基于Agent-based的森林火灾下多物种仿真模型。通过将森林火灾过程中各类型物种和火灾等元素抽象为主体，根据各类物种和森林火灾的真实特性，提炼出各类主体的属性和行为规则；利用ABM（agent-based model）模型可以展现复杂系统中多主体交互的特性，构建出多物种的森林生态模型和森林火灾模型，在对模型合理性进行验证的基础上整合2个模型；分析森林火灾发生前后的物种变化情况及影响。结果表明：当火灾扑灭后的恶劣环境条件下，生殖能力强且死亡率高的物种依然能够迅速繁殖后代；火灾干扰强度越高，该类物种增长越快。竞争能力强但繁殖能力弱的物种却难以在灾难中得以恢复。

关键词: Agent-based模型, 生态系统, 森林火灾, 多物种, 物种变化

Abstract:

An Agent-based multi-species simulation model under forest fire is proposed to study the effect of forest fire on the balance of animal species population. By abstracting elements of each type of species and fire in the forest fire process as agents, the attributes and behavior rules of each type of agents according to the real characteristics of each type of species and forest fire are refined. ABM model is used to show the characteristics of multi-agent interaction in complex systems, and construct a multi-species forest ecological model and a forest fire model. On the basis of validating the rationality of the models, two models are integrated, and the changes of species and the effects before and after the occurrence of forest fires are analyzed. The results show that the species with high reproductive capacity and high mortality rates are still able to reproduce offspring rapidly under the harsh environmental conditions after the fire suppression. The higher the intensity of fire disturbance, the faster the species category grow. In conversely, the species with high competitive ability but low reproductive capacity are difficult to recover from the disaster.

Key words: Agent-based model, ecosystem, forest fire, multi-species, species changes

中图分类号:

TP391.9

李颖, 杜逆索, 欧阳智. 基于Agent-based的森林火灾下生态系统仿真研究[J]. 系统仿真学报, 2023, 35(6): 1362-1371.

Ying Li, Nisuo Du, Zhi Ouyang. Agent-based Ecosystem Simulation Research under Forest Fire[J]. Journal of System Simulation, 2023, 35(6): 1362-1371.

图/表 13

图1

图2

图3

图4

图5

图6

图7

图8

图9

表1

各类动物分类及相关参数范围

动物等级

参数范围

解释

低

$R b ∈ [0.16,1]$

$R m ∈ [0.000 318,0.000 513]$

$R c ∈ [0.027,0.14]$

初始数量大，繁殖能力强，死亡率高，竞争能力低代表个体弱小

中

$R b ∈ [0.000 26,0.001 6]$ $R m ∈ [0.000 258,0.000 281]$

$R c ∈ [0.19,0.36]$

初始数量中等，繁殖能力和死亡率中等，竞争能力中等

高

$R b ∈ [0.000 26,0.00 16]$ $R m ∈ [0.000 256,0.000 257]$

$R c ∈ [0.41,0.52]$

初始种群少，繁殖能力弱，死亡率低，竞争能力强

表1

图10

图11

图12

参考文献 21

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基于Agent-based的森林火灾下生态系统仿真研究

Agent-based Ecosystem Simulation Research under Forest Fire

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