oligotrophic

oligotrophic
/ol'i goh trof"ik, -troh"fik/, adj. Ecol.
(of a lake) characterized by a low accumulation of dissolved nutrient salts, supporting but a sparse growth of algae and other organisms, and having a high oxygen content owing to the low organic content.
[1925-30; OLIGO- + TROPHIC]

* * *


Universalium. 2010.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • oligotrophic — [äl΄i gōträf′ik, äl΄i gōtrō′fik] adj. [ OLIGO + TROPHIC] designating or of a lake, pond, etc. poor in plant nutrient minerals and organisms and usually rich in oxygen at all depths: see also MESOTROPHIC oligotrophy [äl΄ə gät′rə fē] n …   English World dictionary

  • Oligotrophic — An oligotrophic ecosystem or environment is one that offers little to sustain life. The term is commonly utilised to describe bodies of water or soils with very low nutrient levels. It derives etymologically from the Greek oligo (small, little,… …   Wikipedia

  • oligotrophic — adjective Etymology: International Scientific Vocabulary Date: 1928 having a deficiency of plant nutrients that is usually accompanied by an abundance of dissolved oxygen < clear oligotrophic lakes > …   New Collegiate Dictionary

  • Oligotrophic lake — An oligotrophic lake is a lake with low primary productivity, the result of low nutrient content. These lakes have low algal production, and consequently, often have very clear waters, with high drinking water quality. The bottom waters of such… …   Wikipedia

  • oligotrophic waters — oligotrofiniai vandenys statusas T sritis ekologija ir aplinkotyra apibrėžtis Vandens telkiniai, turintys mažai maisto medžiagų, augalijos, gyvūnijos. atitikmenys: angl. oligotrophic waters vok. oligotrophe Wässer, n rus. олиготрофные воды …   Ekologijos terminų aiškinamasis žodynas

  • oligotrophic lakes — oligotrofinis ežeras statusas T sritis ekologija ir aplinkotyra apibrėžtis Gilus mažamaistis ežeras, kurio vanduo šaltas, jame nedaug biogeninių medžiagų ir druskų, ištisus metus gausu deguonies. Būdingas didelis arba vidutinis gylis (30–70 m),… …   Ekologijos terminų aiškinamasis žodynas

  • oligotrophic — 1) adjective for oligotrophy 2) an organism requiring only a small nutrient supply or a narrow range of nutrients …   Dictionary of ichthyology

  • oligotrophic — adj. [Gr. oligos, few; trophe, food] Pertaining to freshwater bodies poor in plant nutrients and unproductive …   Dictionary of invertebrate zoology

  • oligotrophic — adjective a) being deficient in nutrition b) being deficient in plant nutrients, such as nitrogen or phosphorus Ant: eutrophic See Also: oligotrophy …   Wiktionary

  • oligotrophic — ol·i·go·tro·phic (ol″ĭ go troґfik) [oligo + trophic] able to live in a nutrient poor environment; said of bacteria and other microorganisms …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”