ecosystem

A coalition of conservation groups wants the federal government to agree to a plan to wipe out a population of smallmouth bass from a New Brunswick lake in order to protect salmon in the revered Miramichi River.

While most homeowners are raking autumn leaves, Mike Perozak is helping his neighbours in downtown Toronto prepare their gardens to welcome guests in the spring.

A way must be found to bridge the tense political divide in Canada over climate change, or some citizens and political leaders will just keep avoiding the topic, panellists said on Monday, October 14, 2019, during a public forum in Halifax.

Barbara Gard calls her three-hectare property, nestled below the forested peak of Sumas Mountain, a "miniature Stanley Park." Its lush trees and flowing creek reminded her of Vancouver's majestic park, and she immediately knew she wanted to call it home.

Trees are charcoal black on one side and bone white on the other, evidence of the path a wildfire took as it tore into Waterton Lakes National Park in southwestern Alberta nearly two years ago.

Authorities dealing with a massive landslide in British Columbia's Fraser River say they've successfully helped thousands of salmon migrate north of the site, but millions of fish remain threatened by the obstruction.

A survey of sea life in the southern Gulf of St. Lawrence has found corals, sharks, sharp-toothed wolffish and even an unexpected invertebrate along with the crustaceans and groundfish that make the region a fishing mecca.

Victoria's trademark cherry blossoms may be lost in a few years as the city goes ahead with a plan to replace aging non-native trees with native species.

Leaders from several north-coast B.C. First Nations say if the Senate doesn't approve a bill barring super-sized oil tankers from the region, their thriving but fragile marine-based economies will die.

Last summer, a team of scientists returned from an expedition in the North Atlantic, armed with DNA samples, marine specimens and videos of bottom-feeding fish, sea spiders and corals.

Researchers were in northwestern Ontario on the weekend spilling diluted oilsands bitumen and crude oil into a lake to study how the ecosystem, from microbes to fish, responds.

Northern cod stocks off Newfoundland suffered a steep decline over the last year, with Fisheries official finding the species has a lower survival rate and will likely continue to decease in the coming year.

A global study shows animals are moving distances two to three times shorter in areas disturbed by humans than in the wilderness.

Harbour seals, sea lions and some fish-eating killer whales have been rebounding along the Northeast Pacific Ocean in recent decades. But that boom has come with a trade-off: They're devouring more of the salmon prized by a unique but fragile population of endangered orcas.

A critical habitat for several endangered species along one of Nova Scotia's most ecologically rich rivers has been protected following a donation from a well-known business family.