Vollenweider 1968 P-loading model: phytoplankton bloom triggered when [P] > 25 ug/L; Schindler ELA-227 1974 whole-lake experiments; dead-zones in Gulf of Mexico + Baltic-Sea.
Vollenweider 1968 P-loading model: phytoplankton bloom triggered when [P] > 25 ug/L; Schindler ELA-227 1974 whole-lake experiments; dead-zones in Gulf of Mexico + Baltic-Sea.