V2EX adaptive landscape

Adaptive Landscape

Definition / 释义

“适应景观”(也常称“适应度景观”):进化生物学中的一种比喻模型,把不同基因型/表型的适应度想象成一张有“山峰(高适应度)”和“山谷(低适应度)”的地形图,用来说明自然选择如何推动种群在“景观”上移动、爬升到更高的适应度峰。(在部分语境中也写作 fitness landscape。)

Pronunciation / 发音

/dptv lndskep/

Examples / 例句

The idea of an adaptive landscape helps students visualize how natural selection works.
“适应景观”的概念能帮助学生把自然选择的过程形象化地理解出来。

In a rugged adaptive landscape with many local peaks, a population may get stuck on a suboptimal solution.
在一个“崎岖”的适应景观中,如果存在许多局部峰值,种群可能会被困在并非最优的适应状态上。

Etymology / 词源

该术语由美国遗传学家塞沃尔赖特(Sewall Wright)在20世纪早期提出,用“景观/地形”来比喻适应度在不同遗传组合上的变化:adaptive 来自 “adapt(适应)”,landscape 来自 “land(土地)+ scape(景象/视野)”。这一比喻后来被广泛用于进化论、遗传学与计算优化等领域。

Related Words / 关词

Literary Works / 文学作品

  • “The Roles of Mutation, Inbreeding, Crossbreeding, and Selection in Evolution” Sewall Wright(1932,提出适应度/适应景观的经典论文)
  • The Blind Watchmaker Richard Dawkins(讨论进化过程与“适应度地形/景观”类比)
  • Climbing Mount Improbable Richard Dawkins(以“爬山/峰值”的方式通俗解释适应与选择)
  • Evolutionary Dynamics Martin A. Nowak(涉及适应度、选择与景观式直觉的相关讨论)
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