Ontario Nature Blog

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Tag: invasive (Page 1 of 2)

Periwinkle Pull

When: Saturday September 30th and Sunday October 1st, 2017 from 10am-3pm on both days

Spend the weekend helping Ontario Nature restore native habitat at the Cawthra Mulock Nature Reserve. Periwinkle, a non-native invasive species, creates dense monocultures on the forest floor and out-competes native species. To prevent its spread, come roll up your sleeves and get your hands dirty pulling this pesky plant!

The day is divided into two sessions: 10am – 12pm and 1pm – 3pm, with a 1 hour break for lunch from 12-1pm. Come for one or both sessions.

Meeting Location: Please meet at the parking lot at the end of the access road off of Bathurst Street. Continue driving past the house down the access road, the parking lot will be at the end with space to turn around.

To Bring: Please bring a bagged lunch and re-fillable water bottle. Water will be provided. Please wear long pants and closed-toe shoes. Some gardening gloves and trowels will be provided, but please bring your own if you have them.

To register: https://www.eventbrite.ca/e/periwinkle-pull-party-tickets-37702594475

Ontario’s problem pigs

A drove of feral hogs in Texas

A drove of feral hogs in Texas, Credit: Josh Henderson CC BY 2.0

Sightings of free-roaming feral swine in Ontario have risen in recent years despite the animals’ tendency to travel at dawn, dusk and night. Some of these sightings have been made near Ottawa and Kingston. Diane Saxe, Ontario’s Environmental Commissioner, has said that feral hogs are heading north from the United States into eastern Ontario.

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Recipe for a Successful Garlic Mustard Pull

Friday October 23 marked Ontario Nature’s annual garlic mustard pull at our Lost Bay Nature Reserve near Gananoque. With the help of several Queen’s University students and volunteers from Willing Workers on Organic Farms, we filled three garbage bags with these stubborn plants that are threatening to invade the reserve.

Garlic mustard is an invasive plant that was introduced to Ontario by European settlers who valued its great taste and medicinal qualities. If this tenacious plant has shown up where you live, consider organizing a garlic mustard pull to keep it from spreading. And be sure to save some of the leaves to add to your favourite recipe, or check out ours for inspiration!

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Stopping the invasion


Round goby Photo Courtesy Flickr; CC 2.0; Credit: Matthew Forte via Ohio Sea Grant

Nearly two centuries ago, non-native aquatic species began their invasion of the Great Lakes, travelling within the ballast stones and ballast water of large ships.

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Invaders with personality


People have different personalities. Some are shy; others are bold. Some are extraverted; others are introverted. These personality traits influence our academic success, job performance, personal relationships, health and susceptibility to disease. In the McLaughlin Lab at the University of Guelph, we are interested in detecting personality differences in animals and determining whether this kind of information can inform management. One of our projects focuses on the non-native sea lamprey and its management in the Great Lakes.

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