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oligotrophic (adjective)
1. A reference to a body of water deficient in nutrients for supporting plant life, but rich in oxygen for supporting animal life.
2. Having low primary productivity; a reference to substrates of bodies of water low in nutrients: "Oligotrophic lakes are susceptible to pollution from excess phosphorus from such sources as fertilizer runoff, sewage, and detergents."
3. Referring to any organism requiring only a small nutrient supply, or restricted to a narrow range of nutrients.
4. Pertaining to insects that visit only a small variety of plant species.
Word Entries at Get Words: “oligotrophic
oligotrophic
1. Pertaining to a nutrient-poor body of water; such as, the central zones of the oceans which have very little plankton.
2. Etymology: from Greek oligo, "few", and trophe, "nourishment".
This entry is located in the following unit: Ocean and Deep Sea Terms (page 4)