May 28, 2008
P required to support C productivity
100 mol C : 1 mol P
loading (1200 g C m^-2 y^-1 productivity) / (30 g P m^-2 y^-1)
figure
correlation
land use
farming - fertilizer
erosion
table 1 from Walker
comparison to N loading
number of humans in a lake basin X protein they eat
Total Daily Maximum Load
goal is not to exceed Chla or pH a certain % of the time
distribution
long-term, basin-wide, equilibrium outcome
model - Walker
residence times of different lake basins
Carpenter 2006
ppt slide: scale-sci-manag/esr-seminar....
biological recycling
AFA sink, pick up P, float
reduces burial rate substantially
positive feedback that maintains the "turbid" condition
compare cartoon graph (factoria..
management and resilience