The term oligotrophic is derived from the Greek term meaning "poorly nourished" and refers to an aquatic system that has low overall levels of primary production, principally because of low concentrations of the nutrients that plants...

Refers to a poor level of nutrients (generally) in bodies of fresh water such as to reduce the capacity of this environment to support plant life. See also: EUTROPHIC;...

A state of low...

Oligotrophic refers to any environment that offers little to sustain life. This term is usually used to describe bodies of water or soils with very low nutrient levels. Greek etymology: Oligo : small, little, few; and trophe: nutrients, food....

Energy is required by all forms of life and the availability of various forms of energy control the distribution, abundance, and interactions of many species. The premise of this book is that most ecosystems lack sufficient energy to support microbial growth. Although many...

ABSTRACT We examined the response of pico-phytoplankton communities sampled at the equatorial, tropical and temperate Central Atlantic Ocean to subsurface underwater solar radiation in order to test the generality of the reported cell mortality for these populations when exposed to high ultra violet...