Watercraft Inspection Stations can be found along the southern and eastern borders of B.C. (B.C. Government image)

Nineteen boats carrying invasive mussels stopped at B.C. borders

Waters of Columbia-Shuswap still test mussel-free

While lake sampling this spring and summer for invasive mussels in the Columbia Shuswap region looked good, several watercraft carrying the threatening species were found while they were entering B.C.

A B.C. Invasive Mussel Defence Program report from late April to Sept. 15 of this year shows that out of more than 50,000 inspections, 1,240 were considered high risk while 19 were found carrying invasive zebra or quagga mussels.

Fourteen of the 19 were entering B.C. from Ontario, two from Michigan, two from Utah and one from North Carolina. Eight were headed for the Lower Mainland, four for Vancouver Island, three to the Okanagan, two to the Kootenays, one to Skeena and one to Alaska.

The seasonal program ended in October and final numbers are expected soon.

According to B.C. Watercraft Inspection Stations, high risk includes:

• any watercraft or equipment that has been launched in any waters of a province or state known or suspected of having zebra or quagga mussels in the past 30 days.

• Any watercraft or equipment that is coming from or is registered to a state or province that is known or suspected of having zebra or quagga mussels and is not clean, and to the extent determined as practical by inspectors has not been drained and dried is considered high-risk, even if it has been out of the water for more than 30 days.

• Any watercraft that is dirty, crusty or slimy with the potential risk of transporting other aquatic invasive species.

Columbia Shuswap Invasive Species Society staff sampled 11 water bodies across the region for invasive mussels in summer 2019.

They sampled for adult mussels by installing substrate samplers, which are collections of different substrates on ropes lowered into the water and checked every two to four weeks. No sign of adult mussels were found on any of the 16 samplers deployed.

Staff also took 139 plankton samples from 27 locations on nine water bodies, searching for the larval stages of the mussels. So far all samples analyzed have been mussel free.

Sue Davies, head of the sampling project, said finding microscopic larvae of invasive mussels in a lake the size and shape of Shuswap Lake is challenging, but the more sites and more samples the better. She pointed out that Cinnemousun Narrows is an important place to sample because half of Shuswap Lake flows through the narrow strait and tends to eddy in one particular spot.

A Columbia Shuswap Invasive Species Society video demonstrates the impacts of invasive species.

North Okanagan-Shuswap MP Mel Arnold finds it troubling that so many high-risk watercraft are entering the province.

He states that 80 per cent of the last federal budget went to two invasive species in the Great Lakes, while 20 per cent was for the rest of the program.

Arnold was a member of the standing committee on fisheries that compiled a report on aquatic invasive species. Eight of the nine recommendations were about preventing the introduction of the species.

Read more: Detective dog, from Nelson, joins fight to combat invasive mussels

Read more: Okanagan dock owners urged to monitor for invasive mussels

Read more: Invasive mussels campaign ramps up for May long weekend

“The cost of prevention is fractional compared to the cost of treatment. They’re proably a greater ecological threat to the province than a massive wildfire,” Arnold contends, pointing out that trees can be grown after a fire. The mussels, however, could wipe out the sockeye fry and related food chain, as well as clog water intake pipes completely.

Arnold is in favour of increasing the use of sniffer dogs trained to detect the mussels, as well as increasing signs at borders and having full-time staffing at check points at all points of entry.

“I’m going to work with my colleagues in the Okanagan to put pressure to recognize the risks and to resource the program properly,” Arnold said.


@SalmonArm
marthawickett@saobserver.net

Like us on Facebook and follow us on Twitter

Get local stories you won't find anywhere else right to your inbox.
Sign up here

 

Watercraft Inspection Stations can be found along the southern and eastern borders of B.C. (B.C. Government image)

Zebra mussels on a boat propeller. (Photo Creative Commons)

Just Posted

Influx of tourists helping to nurse Penticton’s economy back to health

The city has seen visitors multiply tenfold in recent weeks

Two vehicle crash on Highway 97 in Penticton

The crash happened before 3:30 p.m. in front of the Lakeside Inn and Suites

Pooch abandoned at Penticton doggy daycare suffered from oral disease

A fundraiser for Okie held by the BC SPCA surpassed its goal of $1,700

Keremeos Volunteer Fire Department receives $25k grant

Money used on a truck with low volume, high pressure water pump to fight wildfires

Ryga Arts Festival to include virtual and in-person events

Arts festival in Summerland will run from Aug. 15 to 23

B.C. sees 25 new COVID-19 cases, community exposure tracked

One death, outbreaks remain in two long-term care facilities

VIDEO: Vancouver Island cat missing 18 months reunited with family

Blue the cat found at Victoria museum 17 kilometres from home

COVID-19 cases identified in Kelowna, after public gatherings

Those who were downtown or at the waterfront from June 25 to July 6 maybe have been exposed to COVID-19.

VIDEO: Alberta man rescues baby eagle believed to be drowning in East Kootenay lake

Brett Bacon was boating on a lake in Windermere when he spotted the baby eagle struggling in the water

Summerland Blossom Youth Ambassador Program to hold coronation

Event will be held by video as a result of COVID-19 precautions

Vernon shutterbugs capture rainbow

A rain event July 9 made way for a glorious sight

Couple shaken up after homophobic encounter at Kelowna mall

‘We’re not in the States; we’re not in some little hick town; we’re in Kelowna, British Columbia, Canada. And it still happens’

Summerland to allow in-person attendance at July 13 council meetings

Two meetings will be held at Summerland Arena Banquet Room to accommodate public

Fundraiser kicks off for Lake Country families displaced by house fire

A GoFundMe campaign has been launched to raise $5K for those who lost everything in early morning blaze

Most Read