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Articles on Ecosystems

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Invasive species (including the plant species, Eurasian watermilfoil, pictured here) pose a real risk to many of Canada’s freshwater habitats. (Shutterstock)

Invasive species are reshaping aquatic ecosystems, one lake at a time

Freshwater ecosystems in Canada, and around the world, are more fragile than they look and vulnerable to invasive species. Canada’s lakes and rivers require constant vigilance to protect from invasion.
Cyanobacteria blooms. (Christophe Langevin)

Monitoring the health of lakes through the microbes that live in them

New techniques monitor the health of lakes in real time by analyzing their microbiome to anticipate and respond to environmental threats such as cyanobacteria.
Under a microscope, a tiny elongate poppy seed, small tan spikemoss megaspores and black soil fungus spheres found in soil recovered from under 2 miles of Greenland’s ice. Halley Mastro/University of Vermont

Ancient poppy seeds and willow wood offer clues to the Greenland ice sheet’s last meltdown and a glimpse into a warmer future

Our discovery of a tundra ecosystem, frozen under the center of Greenland’s ice sheet, holds a warning about the threat that climate change poses for the future.
Staghorn coral spawns near North Key Largo, Fla. Liv Williamson/University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science via AP

The world’s fourth mass coral bleaching is underway, but well-connected reefs may have a better chance to recover

Coral reefs share genetic material across wide areas, with help from ocean currents. This ability is especially important during episodes like the mass bleaching currently occurring.
Pacific herring swimming through a bull kelp (Nereocystis luetkeana) forest on Vancouver Island, B.C. (Fernando Lessa)

Why some of British Columbia’s kelp forests are in more danger than others

Kelp forests around the world, and in Canada, are under threat. New research sheds further light on the health, and resilience, of these crucial ecosystems.
Regenerative agricultural strategies can reduce the greenhouse gas emissions from food production, restore local ecosystems and enhance community well-being. (Shutterstock)

How nature-based knowledge can restore local ecosystems and improve community well-being

In the face of growing social and environmental challenges, organizations in the food and agriculture sector are increasingly turning to nature for inspiration.

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