V2EX periphyton

Periphyton

释义 Definition

周丛生物;附着生物膜:指附着在水生植物、石头、沉木或其他浸水表面上的一层生物群落,通常由藻类、细菌、真菌、原生动物以及少量小型无脊椎动物等组成,是淡水与近岸生态系统中重要的初级生产者与食物来源。

发音 Pronunciation (IPA)

/prfatn/

例句 Examples

Periphyton grows on rocks in streams.
周丛生物会生长在溪流中的岩石表面。

In nutrient-rich lakes, periphyton can form thick mats that change oxygen levels and affect fish habitats.
在富营养化的湖泊中,周丛生物可能形成厚厚的生物垫,改变溶解氧水平并影响鱼类栖息地。

词源 Etymology

来自希腊语词根:peri-(“周围、围绕”)+ phyton(“植物、植物体”)。早期生态学语境中常把附着的藻类视作“围绕表面生长的植物”,后来概念扩展为包含多类微生物与小型生物的附着群落

相关词 Related Words

文学与著作 Literary Works

  • Limnology: Lake and River Ecosystems(Robert G. Wetzel)
  • Ecology: Concepts and Applications(Manuel C. Molles Jr. 等)
  • Stream Ecology: Structure and Function of Running Waters(J. David Allan & María M. Castillo)
  • Freshwater Ecology: Concepts and Environmental Applications of Limnology(Walter K. Dodds & Matt R. Whiles)
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