What Causes Lake Eutrophication?

Lindsay Husta, Audrey Smith, Christine Warzecha

Introduction
Anchor Video
Concept Map
Project Calendar
Lesson Plans
Letter to Parents
Assessments
Resources
Modifications
Grant
Loading Picture of Eutrophic Lake
Aral view of Lake 226 divider curtain in August 1973. The bright green colour results from bluegreen algae (Cyanobacteria), which are growing on phosphorus added to the near side of the curtain.
All photos from http://www.umanitoba.ca/institutes/fisheries/eutro.html
Aerial view of Lake 227 circa 1975, showing the many marker floats usedAerial view of Lake 227 circa 1975.
Aerial view of Lake 227 in 1994. Note the bright green colourAerial view of Lake 227 in 1994. after 26 years of P addition.  (photo by Karen Scott)