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标题

基于密度对蚁群自组织聚集的影响

作者

段青玲 李 耕 姜 立 狄增如 韩战钢

机构

北京师范大学系统科学学院; 嘉应学院物理与光信息科技学院

摘要

在生物及人类社会中,自组织聚集是十分普遍而且重要的集群行为,也是近年来蓬勃发展的交叉领域.为了 定量地深入研究自组织聚集的宏观规律,我们用实验方法研究了草地铺道蚁的自组织聚集与其密度之间的关系,采用层 次社会熵和样方法的统计手段测量蚂蚁群体的聚集度,以定量度量其自组织聚集程度.精确控制的实验以及基于实验数 据的统计分析表明,蚂蚁群体在低密度下呈现近随机分布状态,高密度下稳定于显著的聚集状态,即蚂蚁聚集的程度是 密度依赖的.实验给出的佐证在后续探究蚂蚁聚集的微观机制研究中将起到至关重要的作用,能够引起聚集行为涌现的 简单机制是与密度密切相关的.

关键词

自组织聚集; 密度; 集群行为; 层次社会熵; 蚂蚁

引用

段青玲 李 耕 姜 立 狄增如 韩战钢. 基于密度对蚁群自组织聚集的影响.[J]. 北京师范大学学报(自然科学版),2017,53(3): 281-287.

基金

国家自然科学基金资助项目(61374165,31261160495)

分类号

N945

DOI

10.16360/j.cnki.jbnuns.2017.03.007

Title

Role of density in ant self-organized aggregation

Author

DUAN Qingling LI Geng JIANG Li DI Zengru HAN Zhan’gang

Affiliations

School of Systems Science, Beijing Normal University; School of Physics and Optical Information Science, Jiaying University

Abstract

Self-organized aggregation is a pervasive and important collective behavior, commonly found in biological species and in human society. It is a multi-disciplinary field widely studied in recent years. To study quantitatively macro-characteristics in self-organized aggregation, we performed experiments with ants (Tet-ramorium Caespitum )in a homogeneous environment to investigate relationship between self-organized aggregation and ant density. Aggregation intensity of ant groups was measured by hierarchic social entropy and quadrat method. Accurately controlled experiments and statistical analysis showed that ant groups had a close to random spatial distribution at low density, but a prominent state of aggregation emerged at high density. Therefore ant aggregation is density-dependent. Such data will be important regarding the micro-mechanism of ant self-organized aggregation. It is concluded that aggregation emergence is linked closely to density.

Key words

self-organized aggregation; density; collective behavior; hierarchic social entropy; ants

cite

DUAN Qingling LI Geng JIANG Li DI Zengru HAN Zhan’gang. Role of density in ant self-organized aggregation [J]. Journal of Beijing Normal University (Natural Science), 2017,53(7): 281-287.

DOI

10.16360/j.cnki.jbnuns.2017.03.007

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn