| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1016/j.jtbi.2012.12.018 |
| Evolution of specialization under non-equilibrium population dynamics. | |
| Nurmi T; Parvinen K | |
| 发表日期 | 2013 |
| 出处 | Journal of Theoretical Biology : 63-77 |
| 出版年 | 2013 |
| 语种 | 英语 |
| 摘要 | We analyze the evolution of specialization in resource utilization in a mechanistically underpinned discrete-time model using the adaptive dynamics approach. We assume two nutritionally equivalent resources that in the absence of consumers grow sigmoidally towards a resource-specific carrying capacity. The consumers use resources according to the law of mass-action with rates involving trade-off. The resulting discrete-time model for the consumer population has over-compensatory dynamics. We illuminate the way non-equilibrium population dynamics affect the evolutionary dynamics of the resource consumption rates, and show that evolution to the trimorphic coexistence of a generalist and two specialists is possible due to asynchronous non-equilibrium population dynamics of the specialists. In addition, various forms of cyclic evolutionary dynamics are possible. Furthermore, evolutionary suicide may occur even without Allee effects and demographic stochasticity. |
| 主题 | Evolution and Ecology (EEP) |
| 关键词 | Adaptive dynamics Resource utilization Trade-off Specialist Generalist |
| URL | http://pure.iiasa.ac.at/id/eprint/10527/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/129833 |
| 推荐引用方式 GB/T 7714 | Nurmi T,Parvinen K. Evolution of specialization under non-equilibrium population dynamics.. 2013. |
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