ISB 201 Lecture Notes - Lecture 8: Eutrophication, Trophic State Index, Water Pollution
30 Aug 2016
School
Department
Course
Professor
Document Summary
A watershed is common area of land where all of the surface and ground water collects, or drains, into the same place. In the continental u. s. , there are 2,110 watersheds. Based on levels of nutrients in the water. Anything that can empty into a river or lake that contains n or p. The process of adding nutrients to a water body is called eutrophication. When this is do to human activities we call it cultural eutrophication. Turbidity the amount of sediment carried in the water. Bod biological oxygen demand gives a measure of how much oxygen is needed in the water body indicates the rate of decomposition and oxygen consumption in the water. Carbon dioxide, water and energy from the sun. Rooted on the bottom from which they obtain nutrients. Pollutant: any material causing deleterious (harmful) ecological effects or health problems. Anything that modifies the amount of do or bod in water can be considered a water pollutant!
