Invasive Species News and Research, October 2020

A 40-page report on Wyoming invasive species outreach, success stories in Washington, and controlling a weed on Prince Edward Island.
biologist with large invasive sow thistle weed

The staff and board of the North American Invasive Species Management Association review invasive species headlines each month. This helps us stay on top of trends and further our mission to support, promote, and empower invasive species prevention and management in North America. We then share invasive species news most relevant for people who manage terrestrial and aquatic invasive species across the the United States, Canada, Mexico and the world.

Success Stories: Prevention, Eradication and Restoration

Steam Cleaning the Port of Tacoma to Eradicate Invasive Snail

Washington – Read on Washington State University

“We’ve had a portable steam boiler system that we use to fight fungi,” said Gary Chastagner, a plant pathology and Extension specialist at WSU’s Puyallup Research and Extension Center. “This is definitely an unplanned use of the technology, but the results have been very positive.”

Crews Vacuum ‘Murder Hornets’ out of Washington Nest

Washington — Read on WANE

Crews wearing thick protective suits vacuumed the invasive insects from the cavity of a tree into large canisters.

Prevention, Outreach and Education

Clean Up the Decoys to Help Prevent the Spread of Invasive Species

Arkansas — Read on the Van Buren County Democrat

Biologists with the Arkansas Game and Fish Commission urge all hunters and anglers alike to take the extra time to clean all their equipment of mud and vegetation before bringing it to the wetlands.

In Grasslands Plagued By Invasives And Drought, Wildfires Fuel Calls For New Solutions

Wyoming — Read on KBPS

Experimenting with herbicide applications, cooperating with industry, landowners, and agencies.

Nature Conservancy Battling Invasive Sow Thistle on Newly Acquired Property

Prince Edward Island — Read on CBC

“We’re starting to see it more on the edges of our wetlands and on our dunes. So it’s becoming more of a concern, especially so [because] we don’t fully know the impact on these natural environments.”

biologist with large invasive sow thistle weed

New Research

Urbanization Can Increase the Invasive Potential of Alien Species

Britain — Read on British Ecological Society

Data suggest a relaxation of trade‐offs that shape life‐history traits which is related to increased food resources in urban streams. 

Detection, Management and Control

Invasive Species of Jellyfish Seen Off Three North Carolina Beaches, Experts Say

North Carolina — Read on Phys.org

White-spotted jellyfish were seen three times. The species is native to the West Pacific, from Australia to Japan, and is known to travel in “huge swarms” that devastate the “food web,” according to the Texas Invasive Species Institute.

Policy and Rulemaking

Public Awareness Key as Invasive Weeds Threaten to Spread in Wyoming

Wyoming — Read on Oil City News
 
While landowners and land managers often think about ecological systems as a whole and may be aware of the risks posed by inaction in terms of response to invasive weeds, the report states that some in the public may not be aware of these impacts.

Invading Plants, from Bittersweet to Swallow-wort, Considered for Pennsylvania Noxious Weed List

Pennsylvania — Read on PennLive

The Pennsylvania Department of Agriculture’s Controlled Plant and Noxious Weed Committee will hold a virtual meeting October 22 to consider adding seven plants to the state’s noxious weed list.

Asian shore crabs form the shape of a lobster

Conversations

When Invasive Species Become the Meal

United States – Read on the New York Times

Is dining on nature’s predators an act of environmentalism — or just a new way for humans to bend the world to our will?

Opinion: A Toxic Alien Is Taking Over Russia

Global – Read on the New York Times

The giant hogweed isn’t just an invasive plant. It’s a metaphor for what is happening to much of this country.

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More Articles Like This

Invasive Species News and Research, August 2021

Militaristic messaging isn’t as effective as we thought. Researchers turn to biocontrol and genetic modification for hard-to-manage species. This and more from the invasive species news headlines.

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