The next step in stopping invasive species: New boat designs?

  • Article by: KELLY SMITH , Star Tribune
  • Updated: May 3, 2014 - 9:48 PM

Industry experts will discuss how manufacturing may play a role in stopping the spread of aquatic pests.


Gabriel Jabbour, owner of four marinas on Lake Minnetonka, is supportive of boat redesigns.

Photo: Elizabeth Flores,

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The battle to protect Minnesota’s cherished lakes and rivers from ruinous invasive species such as zebra mussels has for years focused on cleaning and inspecting boats.

Now that high-stakes fight is shifting to boat design.

This week leaders in the boating industry will gather in Washington, D.C., to take the extraordinary step of examining how boats could be redesigned in ways that would make it harder for the aquatic pests to hide, even as inspections intensify for Minnesota’s 2.3 million boaters.

Gabriel Jabbour, a boat manufacturer who owns four marinas on Lake Minnetonka, has been one of the loudest voices calling for a fresh look at boat design.

“These are time bombs and they are a liability to the owners,” he said. “I believe this is a major consumer issue that no one is paying attention to.”

On Wednesday, the American Boat and Yacht Council, which develops widely used safety standards, will ask a national task force led in part by the U.S. Fish and Wildlife Service to bring together everyone from boat builders to scientists to draft design standards to slow the spread of aquatic invasive species.

“I don’t think it’s been on their radar,” John Adey, the council’s president, said about manufacturers. “There could be simple solutions we haven’t thought about.”

For instance, on pontoons — the fastest-growing sector of the boating industry — it’s increasingly popular to have lifting strakes that run along the side to help it go faster and turn, allowing water skiing or tubing.

But that same part is often sealed at one end and left with a tiny drainage hole at the other end that fingernail-sized zebra mussels can get into, multiply rapidly and be difficult — if not impossible — to flush out.

That kind of pontoon, if placed on Lake Minnetonka, may never be able to leave it since it’s illegal to transport contaminated boats.

“The boating industry has been saying ‘we make boats, you clean them,’ ” said Jabbour, who’s on a state Department of Natural Resources committee on aquatic invasive species. “But with some minor modifications, we could make an enormous stride in the time it takes to wash and inspect boats.”

While some manufacturers may not welcome design changes, it’s something Bob Menne says he’s been doing for years.

He is the owner of Wyoming, Minn.,-based Premier Marine, the fourth-largest pontoon manufacturer in the nation and the only one, he said, to weld strakes and keels to keep out zebra mussels.

“There’s quite a few manufacturers that watch this very closely and do due diligence to minimize any of this stuff,” he said. “But then there are some manufacturers that don’t do as good of a job. I think a lot of these companies are not doing it because of ignorance; they haven’t thought of it.”

The spread of invasives

In Minnesota, invasive species aren’t just an annoyance but a threat to property values and the livelihood of many resorts and other businesses that depend on pristine lakes.

Zebra mussels, perhaps the most dreaded invasive species in Minnesota, can attach to boats, docks, rocks, native clams and other solid surfaces. They proliferate by the millions, cluttering beaches with razor-sharp shells, clogging motors, changing the habitat for fish and insects, and jamming intake pipes for water.

Lake Minnetonka is one of about 40 state lakes and rivers infested with zebra mussels; the DNR suspects another 100 waterways connected to them also are infested. But there are several other invasive species here, and more are expected to come. That threat has triggered increasing inspections at boat launches and roadside checkpoints, educational campaigns and other efforts to limit the spread.

  • related content

  • Gabriel Jabbour held zebra mussels — the state’s most dreaded invasive species — which can attach to boats, docks, rocks and native clams, among others. About 40 state lakes and rivers are infested with the pests.

  • 809,138: Registered boats in 2013 in Minnesota

    405: DNR citations for aquatic invasive species in 2013

    140: Lakes and rivers DNR suspects are infested with zebra mussels

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