食物链网络在顶点攻击与边攻击下的鲁棒性

被引:14
作者
高亮
李梦辉
吴金闪
狄增如
机构
[1] 北京师范大学管理学院系统科学系
[2] 不列颠哥伦比亚大学天体物理系
关键词
食物链网络; 网络攻击; 介数; 鲁棒性;
D O I
暂无
中图分类号
Q143 [生物与生物环境的关系];
学科分类号
摘要
研究了14个典型食物链网络对顶点攻击和边攻击的反应.考虑到食物链网络的能量传递特征,实验中引入了顶点介数攻击和边介数攻击.选用鲁棒性系数(使物种灭绝率达到50%的顶点移除比例)测量顶点攻击效果,发现对大多数食物链网络,顶点介数攻击的效果比顶点度攻击好.以相同边移除率为标准,对顶点攻击和边攻击的效果进行了测量,发现边攻击的效果明显优于顶点攻击.
引用
收藏
页码:1 / 8
页数:8
相关论文
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