Ecology. (of a lake) characterized by an abundant accumulation of nutrients that support a dense growth of algae and other organisms, the decay of which depletes the shallow waters of oxygen in summer. (dictionary.com)
"Behind those impressive statistics on the scale and growth of China's economy lurks the fact that much of it is based on outdated, inefficient, or polluting technology. China's energy efficiency in industrial production is only half that of the First World; its paper production consumes more than twice as much water as in the First World; and its irrigation relies on inefficient surface methods responsible for water wastage, soil nutrient losses, eutrophication, and river sediment loads."
- Jared Diamond, Collapse: How Societies Choose to Fail or Succeed
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