V2EX macrofauna

Macrofauna

释义 Definition

大型动物群(宏体动物):在生态学中指相对于微型动物(microfauna)而言、体型较大的动物类群,常用于描述土壤、沉积物或水体底栖环境中的动物(很多研究中以体长或可被特定孔径筛网截留为操作性标准)。在不同研究领域,具体尺寸界限可能略有差异。

发音 Pronunciation (IPA)

/mkrofn/

例句 Examples

Soil macrofauna like earthworms help mix and aerate the ground.
像蚯蚓这样的土壤大型动物有助于翻动并给土壤通气。

By sampling benthic macrofauna across the estuary, the researchers linked species diversity to pollution gradients and seasonal changes in oxygen levels.
研究人员通过在河口范围内采集底栖大型动物,将物种多样性与污染梯度以及溶解氧的季节性变化联系起来。

词源 Etymology

macro- 来自希腊语 makros,意为“大的、长的”;fauna 来自拉丁语,原指“动物群/动物界”,也与罗马神话中的“林野女神 Fauna”有关。两者组合成 macrofauna,字面意思就是“较大的动物群”,在现代主要用于生态学与环境科学语境。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Soil Ecology(Michael C. Paul)讨论土壤生物群落结构时常使用 macrofauna 区分不同体型类群。
  • Principles of Terrestrial Ecosystem Ecology(Chapin, Matson & Mooney)在陆地生态系统过程与分解食物网部分会提到土壤 macrofauna 的作用。
  • Ecology: From Individuals to Ecosystems(Begon, Townsend & Harper)生态学教材中用于讲解群落分层与取样方法时会出现该术语。
  • Marine Biology(Castro & Huber)涉及底栖生态与海底沉积物生物时会用到 benthic macrofauna(底栖大型动物)这一表达。
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