Cedar waxwing, Minesing Wetlands, ON (Photo by NCC)

Cedar waxwing, Minesing Wetlands, ON (Photo by NCC)

Minesing Wetlands

Sunset at Minesing Wetlands, Ontario (Photo by Ethan Meleg)

Sunset at Minesing Wetlands, Ontario (Photo by Ethan Meleg)

One of the largest wetlands in Ontario

Minesing Wetlands, located 20 kilometres west of Barrie, is one of the largest, 23,055 acres (9,330 hectares) and least disturbed wetlands. This rare marsh, swamp and fen complex has been recognized as a key area for wetland conservation by the Eastern Habitat Joint Venture of the North American Waterfowl Management Plan. Since 1974, the Nature Conservancy of Canada and its partners have protected close to 10,000 acres (4,047 hectares) of significant habitat in Minesing Wetlands.

Minesing Wetlands is recognized as an Internationally Significant Ramsar boreal wetland, a Provincially Significant Wetland and a Provincially Significant Life Science Area of Natural and Scientific Interest. Conservation lands in this important natural area are managed by the Nottawasaga Valley Conservation Authority in partnership with NCC. According to the Ministry of Natural Resources, it is the largest and best example of fen bog in southern Ontario, one of the most diverse undisturbed wetland tracts in Canada.

The wetland is home to many nationally listed species at risk, including turtles, reptiles and amphibians and wide-ranging mammals such as moose, fisher, American black bear and Canadian lynx. Minesing Wetlands is also home to one of the largest and oldest great blue heron colonies in Ontario.

Important ecosystems at the heart of the water cycle

A healthy ecosystem features a balance among all its elements — plants, animals (including humans), soil, air and water. Ecosystems are at the heart of the water cycle, including forests, grasslands and wetlands.

Wetlands are unique ecosystem areas where land and water habitats meet, creating one of the most productive habitats in North America for vulnerable wetland birds and animals.

Close to 65 percent of the world’s wetlands have disappeared since the 1900s.

Wetlands provide important ecological services, including flood control, water quality improvements, fish habitat and recreation. They are some of Earth’s most productive ecosystems; they are also one of our planet's most threatened. In Canada, we are fortunate to have about 25 percent of the world’s remaining wetlands. Ontario features some of the finest wetlands in Canada, considered to be among the richest habitats in North America.

Learn more about wetlands in our Wetlands 101

Top 5 Minesing Facts

  1. One of southern Ontario’s largest wetlands.
  2. Contains over 1,000 species of plants and animals including rare species such as the eastern prairie fringed-orchid, Hine’s emerald dragonfly, spotted turtle and cerulean warbler.
  3. Mixed habitats found in northern (fens) and southern Ontario (hackberry forests) exist in Minesing Wetlands, making it one of the most diverse.
  4. Minesing Wetlands is a wetland of international significance on par with the Everglades in Florida (same classification but less alligators).
  5. Many rivers including Mad River, Willow Creek, Coates Creek and the Nottawasaga River meet in Minesing before draining out into Georgian Bay — you can canoe or kayak the rivers and paddle right over their banks into the expanses of flooded swamp forest and open marsh in the spring.

The Heart of Minesing Wetlands

Our donors are the heart of our conservation work in Ontario. We are supported by an incredible community — a support base that is fundamental to our success. The successful conservation of Minesing Wetlands would not have been achieved without our donors, including Ontario Power Generation (OPG). It is through this partnership that we were able to foster and enhance biodiversity by completing a Forest Health Plan, addressing stream restoration and stewardship needs, monitoring rare species and classifying vegetation communities in Minesing Wetlands.

“OPG is proud to support the Nature Conservancy of Canada’s work in the Minesing Wetlands. Through science-based habitat stewardship, NCC is working to enhance water quality and improve forest health which will contribute to the protection of Ontario’s biodiversity,” said Susan Rapin, Director, Environmental Services, OPG.

OPG’s Regional Biodiversity Program is strategically focused on funding efforts that contribute to the protection and restoration of a natural heritage system of habitat cores and corridors across Ontario. For more information about OPG, please visit www.opg.com.

“The goal of life is to make your heartbeat match the beat of the universe, to match your nature with Nature.” ― Joseph Campbell, A Joseph Campbell Companion: Reflections on the Art of Living

Minesing Wetlands is a testament to NCC and our donors’ commitment to protecting our most important natural areas so they will be here for our children and their children to enjoy. Together, we will match our heartbeats to nature as we forge ahead to create a tangible, and lasting, natural legacy.

Alien invasive species, purple loosestrife (photo by NCC).Threats

Alien invasive species are spreading into Ontario's wetlands, threatening the wetlands' ability to perform critical ecosystem services. Alien (non-native or exotic) species are those that have been introduced outside of their natural range by humans. Not all introduced species are invasive — a species is only called invasive if its presence or spread threatens native species, communities and ecosystems.

Why do some non-native species become invasive while others don't?

Invasive species typically share the following traits:

  • adapt to diverse conditions
  • reproduce quickly
  • have few or no predators
  • can out-compete native species for resources such as food and habitat

Taking action

Fortunately, the Minesing Wetlands are still in relatively good condition and are mostly unaffected by problematic invasive species. They still provide many ecosystem services, have very high native species diversity and many of the invasive species populations can be managed with the continued efforts in the coming years.

You can help protect Minesing Wetlands by taking the following steps:

  1. Learn to identify invasive species and how to control them on your property.
  2. Report your invasive species sightings.
  3. Reduce the spread of invaders.

Know your foe

By being able to identify invasive species, you can help conservation managers by reporting sightings, preventing their spread and controlling invasions on your own property. Learn more by visiting the Nature Conservancy of Canada's Invasive Species Gallery.

If you are having trouble identifying a species, try consulting one of these online resources:

Ontario's Invading Species Awareness Program

Early Detection & Distribution Mapping System

Invasive Species Centre

 

6 comments

  • NCC Ontario July 09, 2015 - 11:16
    According to the Program Director of Georgian Bay – Huronia, the observation of moose in the Natural Area was during a botanical inventory conducted in 2005/2006 and led by Robert (Bob) Bowles. In Bob’s inventory he notes there are historical reports from local residents of Lynx in the Minesing Wetlands area, but none have been observed in the past 10 years, or more.

  • Nickname July 01, 2015 - 10:50
    Having worked as an ecologist in Minesing for several years, I was surprised to hear that moose and lynx had been sighted there. Where would I get more information on these sightings?

  • NCC April 23, 2015 - 9:46
    Thank you for your inquiry about the Nottawasaga River. According to the Nottawasaga Valley Conservation Authority, the Nottawasaga River may be accessible to small boat and motor (typically nothing more than a small 10-12 foot aluminum boat) from its mouth to the confluence of Willow Creek; however, as a natural and dynamic system, log jams are likely to come and go along the route.

  • Anonymous April 15, 2015 - 1:54
    Would like to know what parts of the Nottawaaga River are navigable with a small motor boat. Thank You

  • majik March 19, 2015 - 10:55
    wetlands are so important and must be protected, everywhere.

  • Riverbend March 19, 2015 - 3:58
    I hiked some of Minesing Swamp years ago, saw a Star-nosed Mole. Did not know that bear, moose, and lynx inhabit it too. That's amazing, it being so far south.

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