The native flora that has been reduced served as a filter to keep the excess nutrients out of the water.
In some cases it appears that the blooms may be the result of excess nutrients in the water from human activities.
Runoff of excess nutrients into waterways can also occur, which is harmful for the environment.
Use just plain water for the next few times to flush out the excess nutrients.
It has been suggested that poor water quality due to excess nutrients encourages the spread of infectious diseases among corals.
The river contains excess nutrients, hydrocarbons, pesticides, bacteria and is murky.
The reservoirs have only a certain capacity to absorb these excess nutrients.
The Nile cabbage is a special plant which removes excess nutrients and impurities form the water body.
Rather, he contends, it is excess nutrients - specifically, nitrogen - being washed into the bay with fresh water from the Everglades.
Historically the oysters filtered the estuary's entire water volume of excess nutrients every three or four days.