Oligotrophic: Having a low supply of plant nutrients. Compare eutrophic.
Oligotrophic lake: Deep, clear lakes with low nutrient supplies. They contain little organic matter and have a high dissolved oxygen level.
Oligotrophic Lakes
Deep clear lakes with few nutrients, little organic matter and a high dissolved-oxygen level.
oligotrophic Reservoirs and lakes which are nutrient poor and contain little aquatic plant or animal life.
omnivorous Eating a wide variety of plant and animal food.
O oligotrophic
Definition (english only)
Waters that are relatively low in nutrients and cannot support much plant life.
Oligotrophic Lake
Lakes that have a low level of productivity due to severely limited supply of nutrients to support algal growth.
Opacity ...
Between oligotrophic and eutrophic.
mesotrophy the condition of water being only mod-erately rich in plant nutrients, and the results
metalimnion see mesolimnion
metamorphosis, complete.
 See also: Air, Reduction, Nutrient, Environment, Water
  
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