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雌性暗色斑钝口螈生殖分配的控制理论预测

Control theory predictions of reproductive allocation in female dusky salamanders.

作者信息

Hom C L

出版信息

J Math Biol. 1987;25(3):289-306. doi: 10.1007/BF00276438.

DOI:10.1007/BF00276438
PMID:3625052
Abstract

A model of the reproductive ecology of female dusky salamanders was used to investigate the allocation scheme that a female might use to maximize her reproductive success. Analysis of the model with techniques of optimal control theory suggests that fecundity is maximized either by allocating food resources to reproduction for the entire time period prior to egg laying, or by growing first, then switching to reproduction later in the year. The analysis also indicates that egg mortality will be minimized if the female provides maternal care at the maximum level throughout egg brooding. These results are not specific to dusky salamanders, but can be extended to other organisms with similar reproductive characteristics.

摘要

一个关于雌性暗斑钝口螈生殖生态学的模型被用于研究雌性可能用来使其生殖成功率最大化的分配方案。运用最优控制理论技术对该模型进行分析表明,通过在产卵前的整个时间段将食物资源分配用于繁殖,或者先生长,然后在当年晚些时候转向繁殖,可使繁殖力最大化。分析还表明,如果雌性在整个孵卵期间以最高水平提供亲代抚育,卵的死亡率将降至最低。这些结果并非暗斑钝口螈所特有,而是可以推广到具有类似生殖特征的其他生物。

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本文引用的文献

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SIZE-FECUNDITY RELATIONSHIPS AND THEIR EVOLUTIONARY IMPLICATIONS IN FIVE DESMOGNATHINE SALAMANDERS.五种肋突螈的体型-繁殖力关系及其进化意义
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