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BEYOND THE HEADLINES: Mussels keep marching

The Okanagan could be next after mussel larvae was found in Montana
79866vernonRolkerichard03-19-10
Richard Rolke is a columnist and senior reporter with The Morning Star

Perimeter defences have been breached.

Now that may sound like the latest ramblings from the president-elect across the line, but it91裸聊视频檚 a far more serious situation that could ultimately have significant implications for the Okanagan.

Recently, invasive mussel larvae were found in Montana, in the Tiber and Canyon Ferry reservoirs and the Milk and Missouri rivers.

It91裸聊视频檚 the first time invasive mussels have been discovered in the Northwest.

91裸聊视频淚t91裸聊视频檚 alarming,91裸聊视频 Coun. Juliette Cunningham told her Vernon colleagues Monday.

And that91裸聊视频檚 not an overreaction given the rapid spread of quagga and zebra mussels across North America.

They first arrived from eastern Europe in the ballast water of giant ships in the 1980s. They soon conquered all of the Great Lakes and moved into the Mississippi River basin and the St. Lawrence River.

Devastation has been caused in Lake Winnipeg while they appeared in Nevada91裸聊视频檚 Lake Mead in 2007.

91裸聊视频淪ubsequent surveys found smaller numbers of quagga mussels in Lakes Mohave and Havasu in the Colorado River, and in the Colorado River aqueduct system which serves Southern California,91裸聊视频 states California91裸聊视频檚 Department of Fish and Wildlife.

91裸聊视频淎ll reservoirs, lakes and watersheds receiving raw Colorado River water have been exposed to quagga mussels. The first confirmed find of zebra mussels in California occurred at San Justo Reservoir Jan. 10, 2008.91裸聊视频

Lake Mead has changed forever.

91裸聊视频淎dult mussels colonize water intakes, marina structures, and navigation aids requiring expensive defouling and repair,91裸聊视频 states the U.S. National Parks Service.

91裸聊视频淪hells of dead mussels are hazardous to people on beaches, and larval mussels are drawn into boat engines and bilges where they grow into adults and clog recreational equipment. Mussels feed by continuously filtering water for plankton, and the tremendous filtering capacity of large colonies of mussels can deprive other aquatic species of resources necessary for survival.91裸聊视频

Sounding more and more like an old B horror movie, life as we know it could change in the Okanagan even if just a few of these mussels show up in a boat.

And unfortunately, it could be just a matter of time despite the defence systems thrown in place by the provincial government.

91裸聊视频淭here are a lot of holes in (border) inspection. They are only open until 10 p.m. in the summer,91裸聊视频 said Cunningham.

She also fears that people travelling from infected areas will avoid the stations because they don91裸聊视频檛 want their boats impounded.

91裸聊视频淚t91裸聊视频檚 devastating. They reproduce so quickly, it91裸聊视频檚 shocking. We91裸聊视频檙e not taking this seriously enough.91裸聊视频

The Okanagan Basin Water Board has called for inspection stations to expand their hours, and for tough rules requiring all watercraft entering B.C. to report to an inspection centre before launching in the water.

According to the Flathead Beacon, it91裸聊视频檚 not known yet if a 91裸聊视频渇ull adult population of mussels has been established,91裸聊视频 in Montana. But given that a portion of Big Sky Country rests under southeastern B.C., these invaders are as close to us as they have ever been.

Let91裸聊视频檚 hope that the provincial government is monitoring the situation in Montana, and that local MLAs Eric Foster, Greg Kyllo and Norm Letnick are pressuring Premier Christy Clark, who represents the North Westside, to be more vigilant.

Yes inspections cost money, but when it comes to the social and economic future of the Okanagan, we can91裸聊视频檛 afford not to act.

 





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