Great Lakes Moment: Chemical contaminant in St. Lawrence River herring gull eggs traced to Detroit River
“Although the rate that these contaminants are transported downstream is slow, the cumulative effect over years can cause measurable increases in fish and wildlife downstream.”
Great Lakes Moment: Students help save sturgeon
Sturgeon for Tomorrow and a team of U.S. and Canadian fishery biologists have been working together to help reintroduce lake sturgeon in Great Lakes tributaries where they once thrived.
Great Lakes Moment: The imperiled mussels of the Detroit River
Researchers see hope still for the Detroit River’s native freshwater mussels and say remediation efforts could be a big opportunity for the endangered mussels.
Great Lakes Moment: Rewilding Metropolitan Detroit
Otters, turkey, walleye and more have all made comebacks in the past few decades, thanks to the rewilding efforts of various organizations.
Great Lakes Moment: Similarities between the Don and Rouge rivers, and one big difference
In this month’s column, John Hartig discusses the lessons that can be learned from the naturalization of Toronto’s Don River.
River otters return to the Detroit River
This special column from John Hartig celebrates that after roughly a century, there’s finally photographic evidence that otters have returned to the Detroit River.
Great Lakes Moment: Historic Great Lakes agreement reaches golden anniversary
In this month’s column, John Hartig talks about the Great Lakes Water Quality Agreement, signed 50 years ago in April, its binational legacy and whether the time passed has led to complacency.
Great Lakes Moment: Detroit River, a magnet for bald eagle photography
Mud Island, in the Detroit River and visible from the Detroit shore, has become a hub for wildlife photography.
Great Lakes Moment: Overwintering ducks on the Detroit River create a sense of wonder
In this month’s column, John Hartig thinks fondly upon the flocks of canvasbacks duck that spend their winters in the Great Lakes region and provide quite the sight to see on the Detroit River.
Great Lakes Moment: Kirtland’s warblers are thriving in Michigan
The Kirtland’s warbler went from less than 200 males in the ‘70s to more than 2,200 in 2021. In this month’s column, John Hartig looks at their recovery.
Great Lakes Moment: Small habitat patches can have big ecological impact
Researchers found that preserving small, isolated patches of land is just as critical to biodiversity and saving species as preserving large swathes of it. Key examples reside in Detroit and Chicago.
Great Lakes Moment: Endangered catfish indicates improving health of the Detroit and St. Clair rivers
A small catfish that is endangered in both Michigan and Ontario is making a comeback thanks to improved water quality and artificial reef construction in the Detroit and St. Clair rivers.
Great Lakes Moment: Lessons from the Ashtabula River cleanup
When the Ashtabula River and Harbor was identified as a Great Lakes pollution hotspot in 1985, few people thought the day would ever come when it was cleaned up and no longer a detriment to the community and Lake Erie. Thirty-six years later, it has been removed from the Areas of Concern list.