inputs of other elements that alter their behavior. For example, the bioavailability of mercury and its accumulation in fish and other wildlife appears to be controlled not only by inputs of mercury, but also by the supply of sulfate, phosphorus, and dissolved organic carbon. Likewise the transport and removal of phosphorus may be coupled with the supply of calcium in Lake Okeechobee, the STAs, and other portions of the Everglades. Additional research is also needed to clarify the linkages between water quality constituents to support sound multicontaminant water management decisions.



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