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Evolving migration

机译:不断发展的迁移

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摘要

Mass migrations of wildebeest, caribou, song birds, sting rays, and monarch butterflies are among the wonders of the natural world (Fig. 1). At a very different scale, the coordinated migration of cells within the body is central to embry-ological development, immune responses, and wound healing. Although the scale, functions, and mechanisms may differ, these examples share one key feature: they are the product of local interactions among individual agents (wildebeest, butterflies, or cells). The proximate mechanisms where collective behavior arises from local interactions between individuals' have become a fertile area of research, founded on models from statistical physics in which interacting agents are modeled as self-propelled particles (1-4). Guttal and Couzin (5) take such analyses to the next level and ask how and under what ecological circumstances might collective migration have evolved.
机译:牛羚,北美驯鹿,鸣禽,st鱼和帝王蝶的大量迁徙是自然世界的奇观之一(图1)。在不同的尺度上,细胞在体内的协调迁移对于胚胎学发展,免疫反应和伤口愈合至关重要。尽管规模,功能和机制可能有所不同,但这些示例共有一个关键特征:它们是各个代理(野马,蝴蝶或细胞)之间局部交互作用的产物。由个体之间的局部相互作用引起集体行为的最接近机制已成为研究领域中的一个肥沃领域,其基础是统计物理学的模型,其中相互作用剂被建模为自推进颗粒(1-4)。 Guttal和Couzin(5)将这种分析推向了新的高度,并询问集体移民如何以及在何种生态环境下发展。

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