V2EX food web

Food Web

定义 Definition

食物网,指在一个生态系统中,多条食物链相互交织形成的复杂网络关系。它描述了生物之间通过捕食与被捕食关系建立的能量和营养传递网络,比单一的食物链更能真实反映生态系统中物种之间的关系。

发音 Pronunciation

/fud wb/

例句 Examples

The food web in the ocean is very complex because many animals eat different things.
海洋中的食物网非常复杂,因为许多动物以不同的食物为食。

When one species disappears from a food web, it can cause unexpected changes throughout the entire ecosystem, affecting organisms that may seem unrelated.
当一个物种从食物网中消失时,可能会在整个生态系统中引起意想不到的变化,影响到看似毫无关联的生物。

词源 Etymology

food 源自古英语 fōda,意为"食物、营养";web 源自古英语 webb,原意为"编织物、网"。food web 这一术语由英国生态学家查尔斯埃尔顿(Charles Elton)在20世纪初的生态学研究中推广使用,用以描述生态系统中比"食物链"(food chain)更为复杂的营养关系网络。web 一词形象地表达了物种之间相互关联、纵横交错的捕食关系。

相关词汇 Related Word

文学与学术作品 Literary & Academic References

  • 查尔斯埃尔顿(Charles Elton)的《动物生态学》(Animal Ecology, 1927)是最早系统描述食物网概念的经典著作。
  • 雷切尔卡森(Rachel Carson)的《寂静的春天》(Silent Spring, 1962)深入探讨了人类活动对食物网的破坏性影响。
  • 在许多生态学教材中,如尤金奥德姆(Eugene Odum)的《生态学基础》(Fundamentals of Ecology)中,food web 是核心概念之一。
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