| 一类基于比率的离散捕食者-食饵系统的持续生存 |
| |
| 引用本文： | 徐长永,王美娟.一类基于比率的离散捕食者-食饵系统的持续生存[J].生物数学学报,2009,24(2):231-237. |
| |
| 作者姓名： | 徐长永 王美娟 |
| |
| 作者单位： | 徐长永(上海第二工业大学,经济管理学院,上海201209);王美娟(上海理工大学,上海,200093) |
| |
| 基金项目： | Exclusive Academic Fund Supporting the Selected Excellent Young Teachers in Shanghai（egd08024） |
| |
| 摘 要： | 讨论了一类基于比率的离散捕食者．食饵系统，给出持续生存的充分条件，结果表明当捕食者的死亡率相当小同时食饵的内禀增长率相对较大的时候，种群会长期共存．
|
| 关 键 词： | 离散捕食系统 基于比率 持续生存 |
Permanence for a Discrete Ratio-dependent Predatory-prey System |
| |
| Institution: | XU Chang-yong, WANG Mei-juan (1 School of Economics and Management, Shanghai Second Polytechnic University, Shanghai 201209 China;2 College of Science, Shanghai University for Science and Technology, Shanghai 200093 China) |
| |
| Abstract: | Sufficient conditions are established for the permanence in a discrete ratio-dependent predator-prey system. Our investigation confirms that when the death rate of the predator is rather small as well as the intrinsic growth rate of the prey is relatively large, the species could coincidence in the long run. |
| |
| Keywords: | Discrete predator-prey system Ratio-dependent Permanence |
| 本文献已被 维普 万方数据 等数据库收录！ |
