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Food exploitation: searching for the optimal joining policy

机译:粮食开发:寻求最佳的加盟政策

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摘要

Commonly invoked foraging advantages of group membership include increased mean food intake rates and/or reduced variance in foraging success. These foraging advantages rely on the occurrence of `joining': feeding from food discovered or captured by others. Joining occurs in most social species but the assumptions underlying its analysis have been clarified only recently, giving rise to two classes of model: information-sharing and producer-scrounger models. Recent experimental evidence suggests that joining in ground-feeding birds might be best analysed as a producer-scrounger game, with some intriguing consequences for the spatial distribution of foragers and patch exploitation.
机译:群体成员通常被称为觅食的优势包括平均摄食率增加和/或觅食成功方差减少。这些觅食的优势取决于“加入”的发生:从别人发现或捕获的食物中觅食。联接发生在大多数社会物种中,但其分析所基于的假设直到最近才被弄清楚,从而产生了两类模型:信息共享模型和生产者替代模型。最近的实验证据表明,将陆上觅食的鸟类加入鸟类可能是生产者-雄鹿游戏的最佳分析,这对觅食者的空间分布和斑块开发产生了一些有趣的影响。

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