| 食饵具有常投放的一类稀疏效应捕食系统 |
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| 引用本文： | 沈伯骞,沈聪.食饵具有常投放的一类稀疏效应捕食系统[J].数学杂志,2000,20(2). |
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| 作者姓名： | 沈伯骞 沈聪 |
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| 作者单位： | 1. 辽宁师范大学数学系,大连,1160029
2. 辽宁警官高等专科学校,大连,116038 |
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| 摘 要： | 本文讨论食饵具有常投放的一类稀疏效应的一般捕食系统 (1) ,利用对此系统 (1)在第一象限内轨线的拓朴分类 ,分别给出了捕食者种群必将灭绝或持续生存的条件 .
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| 关 键 词： | 稀疏效应 捕食系统 拓朴分类灭绝 持续生存 |
A PREDATOR-PREY SYSTEM WITH SCANTY EFFECT OF WHICH THE PREY SPECIES POSSESSES A CONSTANT INVEST |
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| SHEN Bo-qian,SHEN Cong.A PREDATOR-PREY SYSTEM WITH SCANTY EFFECT OF WHICH THE PREY SPECIES POSSESSES A CONSTANT INVEST[J].Journal of Mathematics,2000,20(2). |
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| Authors: | SHEN Bo-qian SHEN Cong |
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| Abstract: | In this paper,A predator prey system (1) with scanty effect which the prey species possesses a constant invest is discussed. Use the topological classi fication of this system(1) in first quadrant, we give the condition of the extinction or countinue existence for the predator species separately. |
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| Keywords: | scanty effect predator prey system topological classification extinction countinue existence |
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