Integrative Biology 102:
Lecture Outline
Nutrient Cycle Disruptions & Dead Zones
Lecture Objectives
By the end of the lecture (and
after studying the texts), you should be
able to:
- list anthropogenic
sources of nitrogen and phosphorus in the environment.
- explain the effects on the environment
of nutrient loading.
- describe and explain "dead zones."
- list changes in your behavior and that of your community that can
reduce nutrient loading.
Reading:
Pages 402-404 in Cunningham
Terms
Movies:
The
Dead Zone, by Shaun O'Brien
Dead
Zones
The
Dead
Zone by NOAA
Water Balance
Disrupted From Phosphate Pollution
The
Phosphate
Blues
- A cautionary tale. (2007)
Sites:
USGA Circular 1136: Nutrients in
the Nation's Water--Too Much of a Good Thing
1. Sources of
nutrients
2. Effects of nutrient
loading
- Other water pollution
effects
- Acidification of the environment
- Loss of biodiversity, ecosystem changes
3. Behavior changes
For the next lecture on DNA and Protein Synthesis, read
Leventin & McMahon Chapter 1, pgs. 12-17 and 7, and in Cunningham,
pgs. 116-120 and answer this question:
- How do the messages of our genes
become our characteristics?
