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Kim Herlihy

Anglers Believe DFG Not Doing Enough To Stop Pike

By: Kim Herlihy
May 19, 2000

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After the Department of Fish and Game (DFG), along with other organizations, put rotenone in Lake Davis in 1997 to completely eradicate the pike population, juvenile pike were discovered in the lake last spring, to the surprise and consternation of everybody.

After the Department of Fish and Game (DFG), along with other organizations, put rotenone in Lake Davis in 1997 to completely eradicate the pike population, juvenile pike were discovered in the lake last spring, to the surprise and consternation of everybody.

The DFG has decided to take measures that will "monitor and control" the pike population while they try to find a solution that will completely eradicate the pike, as well as keep the Davis community in agreement, according to DFG Chief of Conservation Education Jack Edwards.

"We promised the community that we would not use rotenone again because of chemicals that were found," said Edwards. "Our main objective is to control the breeding population so that we can keep the population under control."

According to the 'Managing Northern Pike at Lake Davis' report, the DFG is putting a number of methods in effect to help keep the pike population under control, such as:

  • The use of net barriers could be used to contain numbers of adult, juvenile, and larval pike for removal by electrofishing and by concussion from denotation cord.
  • The installation of tributary barriers could be placed in the tributaries during the spring thaw to prevent spawning.
  • The use of block nets to trap spawning pike.
  • The reduction of pike food supplies by discontinuing stock of fingerling trout, and replacing them with larger sized brown trout, which are thought to be a predator species.
  • Depending on the status of the pike population, the department may assist the local community in holding organized fishing events to remove the pike, such as fishing derbies.
  • Along with many other methods.

The DFG is in the process of finding a solution that is safe for the community and will completely eradicate the pike problem, though they are currently "years away from finding the answer", according to Edwards.

Though the DFG has made claims to making efforts to fight this problem, many people, like president of United Outdoorsmen, Ron LaForce, feel that the DFG is only compounding the problem by making the public believe that these efforts are a solution to the problem.

"They (the DFG) are convincing the public that they're doing something, when they're doing nothing," said LaForce.

LaForce believes that the pike are a serious threat to the ecosystem, and that the only thing that will work is to kill all of the pike found in California. The American Fisheries Society, which urged the poisoning in the first place, believes the pike could devastate salmon and steelhead populations in the Delta and Sacramento River if they ever got downstream from Davis via the Feather River. Experiences in Alaska and other Western states demonstrate that pike, a vicious predator, can severely damage native salmon and steelhead populations.

The pike not only threaten salmon and steelhead, but California waterfowl populations as well. According to LaForce, in Wisconsin the pike killed 1.5 million waterfowl within the last year, which, if this happened in California, would destroy the resident Mallard population as well as the resident Wood duck restoration program.

"Drawing down the lake down to the lowest possible level and using rotenone to kill the fish is the best management tool we have at this time," said LaForce.

"And rotenone is an organic material diced from plants which does not kill through toxicity. And you can still eat the fish that have been killed with the rotenone."

It is obvious that everyone is after the same goal, to protect California waters from the population of pike, but it is also obvious that not everyone agrees on how to get rid of the pike. Ultimately, it is going to take the cooperation of all groups to find and implement a solution.

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