Beech leaf disease: A new problem for Ontario trees

Early-stage leaf striping (Photo by John Pogacnik, Ohio Department of Natural Resources)
Beech bark disease began ravaging beech trees in Ontario in the late 1990s, after spreading west from Atlantic Canada. But recently, a new beech disease has emerged in the province. Beech leaf disease was first detected in North America in 2012 in...
Enlighten yourself about species that glow

Fireflies (Photo by Zach Baranowski CC BY-NC-ND)
I had my first encounter with a “glow-in-the-dark” species when I was a child. My parents and I were visiting relatives in St. Catharines, Ontario, and we were in their backyard enjoying the warm, summer evening. In the distance, I...
Antlers of the East: Tracking the decline of the Atlantic-Gaspésie caribou (part two)

Woodland caribou at the summit of Mont Jacques-Cartier, tallest among the Chic Choc Mountains of Gaspésie National Park, QC. (Photo by Zack Metcalfe)
In part one of Antlers of the East, I discussed the decline of the Atlantic-Gaspésie caribou. Here is part two. Stand against extinction Since 2008, the caribou of Gaspésie National Park have been under the thoughtful study of...
Something’s Fishy: Polar opposites

Polar bear mother and cub, Jones Sound, Nunavut (Photo by NCC)
Polar bears are the largest bear species and land carnivore in the world. They are found in the Arctic, where they scour sea ice and coasts for their next meal. Two-thirds of the global population of polar bears is found in Canada. The...
Wetlands in the Frontenac Arch

A wetland in the Frontenac Arch, ON (Photo by NCC)
Late last autumn, I was travelling with a friend through the Frontenac Arch. For me, this is a daily occurrence, but I sometimes forget that other people don’t see forests, lakes and wetlands on their morning commutes. It’s always a...
Pikas and their islands in the Rockies

American pika (Photo by Allison Haskell)
What’s your favourite animal? It’s a common question for many of us with a fascination for wildlife and a passion for conserving the natural world around us. When I answer that my favourite species is American pika, some people are...
Measuring what matters: Biocapacity and ecological footprint

Participants of the joint Global Footprint Network and York University workshop (Photo courtesy of Martin J. Bunch, PhD)
The most-used measure of a country’s progress is its gross domestic product (GDP) — the value of the goods and services produced over a period of time, such as a year. A huge drawback of GDP, however, is that it does not fully reflect...
Antlers of the East: Tracking the decline of the Atlantic-Gaspésie caribou (part one)

Woodland caribou at the summit of Mont Jacques-Cartier, tallest among the Chic Choc Mountains of Gaspésie National Park, QC. (Photo by Zack Metcalfe)
It was August 18, 2017, when I gained the summit of Mont Jacques-Cartier, an alpine peak of shattered stone and meagre vegetation some 1,270 metres above Quebec’s Gaspé Peninsula. Several stones were organized into mounds, marking the...
Carbon and wetlands: So what's the big deal?

Wetlands can support lots of plants and vegetation. (Photo by Amanda Loder)
Wetlands can support a lot of plants and vegetation, which take up carbon from the atmosphere. What's unique about wetlands is that they enable dead plant material and the carbon they contain to be buried in their soils without being released into...
A world without wetlands

Brighton Wetland, Eastern Lake Ontario Coast (Photo by David Coulson)
I live next to a swamp. After 20 years of having this swamp as my neighbour, it’s kind of grown on me. I enjoy the spring flush of marsh marigolds, the annual reawakening of spring peepers, and I still smile when I see a colourful wood duck...