| free zinc ion and dissolved orthophosphate effects on phytoplankton from coeur d'alene lake, idaho. | coeur d'alene lake in northern idaho is fed by two major rivers: the coeur d'alene river from the east and the st. joe river from the south, with the spokane river as its outlet to the north. this phosphorus-limited lake has been subjected to decades of mining (primarily for zinc and silver) and other anthropogenic inputs. a 32 full-factorial experimental design was used to examine the interactive effects of free (uncomplexed) zinc ion and dissolved-orthophosphate concentrations on phytoplankton ... | 2007 | 17533843 |