Resilience in a two-population system: interactions between Allee effects and connectivity

被引：7

作者：

Johnson, Carter L. ^{[1
]}

Hastings, Alan ^{[2
]}

机构：

[1] Univ Calif Davis, Dept Math, One Shields Ave, Davis, CA 95616 USA

[2] Univ Calif Davis, Dept Environm Sci & Policy, One Shields Ave, Davis, CA 95616 USA

来源：

THEORETICAL ECOLOGY | 2018年 / 11卷 / 03期

关键词：

Resilience; Regime shifts; Migration; Allee effects; DYNAMICS;

D O I：

10.1007/s12080-018-0365-4

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Resilience in ecosystems and resistance to regime shifts has been a major focus in ecological research. How migration and general network dynamics affect the resilience of populations or induce regime shift cascades is a particularly challenging open question in theoretical ecology. We focus on regime shifts in populations with variable-strength Allee effects to demonstrate the effect of migration on resilience in two-population systems with critical transitions. The result is a mathematical model that justifies the assumption that resilience can be averaged across connected populations and suggests several management strategies to either avoid or induce regime shift cascades.

引用

页码：281 / 289

页数：9

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