Definition of oligotrophic in English:


Syllabification: ol·i·go·troph·ic
Pronunciation: /ˌäliɡōˈtrōfik, -ˈträfik


(Especially of a lake) relatively low in plant nutrients and containing abundant oxygen in the deeper parts. Compare with dystrophic, eutrophic.
More example sentences
  • Altogether, this indicates that sestonic components of autochthonous origin should be closer to Redfield proportions in eutrophic than in oligotrophic lakes.
  • Rainbow trout was collected in lakes of all sizes, depths, and elevations, ranging from low to high levels of lake disturbance and relatively oligotrophic to eutrophic waters.
  • For freshwater CAM plants the sites are seasonal pools, oligotrophic lakes, freshwater tidal creeks, irrigation channels and the like, all over the world, including high latitudes.



Pronunciation: /ˌäliˈɡätrəfē/
More example sentences
  • This production increase suggests that a shift in the trophic status of the river from oligotrophy to eutrophy accompanied development of New Bedford's commercial economy.
  • Oligotrophy, the obligate or facultative capacity to live in low-nutrient habitats, has played a major role in the evolution of photosynthetic organisms.

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cause (someone) to lose confidence or hope; dispirit