sentences:  In the 1990s a non-native carp species was introduced to the lake to alleviate the algae bloom problems from elevated levels of nutrients.However, this carp species is a non-selective feeder and has decimated lake bed vegetation which has led to lower oxygen levels negatively impacting fish populations.Several "fish kills" have happened due to low oxygen levels primarily in the winter in the history of the lake, but as of present a robust population of "game" fish species can be found in the murky waters.