Lake board feels ravenous fish is the only cure for weed
Patrick Alexander The News Guard
The body responsible for the health of Devils Lake has agreed to pursue the idea of adding more Chinese grass carp to tackle invasive weed despite opposition from some bass fishermen who say the ravenous creatures have ruined the lake’s fishery.
At their Feb. 24 meeting the board of directors of the Devils Lake Water Improvement District (DLWID) approved the first ever strategic plan for the lake, a document that sets out steps for improving water quality and promoting native species.
Grass carp are a central component of the plan, which credits them with saving the lake from a choking weed infestation in the ‘80s and ‘90s.
The District stocked the lake with more than 32,000 sterile grass carp in three batches between 1986 and 1993, with the population going on to devour the weed that had put large sections of the lake off-limits to boating.
Now, Lake Manager Paul Robertson said, the carp are dying off and the weed is starting to make a comeback.
“The concern is without that vegetation management control in place, or access to it, then the weeds could get out of hand quite rapidly,” he said.
Through the Devils Lake Plan, the District has set its sights on persuading the Oregon Department of Fish and Wildlife to waive rules that currently prohibit the use of grass carp in all but small, privately owned lakes. Continue reading