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Seen a jellyfish off the dock? You’re not imagining things — they’re increasingly in our lakes

By Beatrix Beisner, Professor, Aquatic ecology; Co-Director, Groupe de recherche interuniversitaire en limnologie (GRIL), Université du Québec à Montréal (UQAM)

Freshwater jellyfish are growing in abundance in Canadian lakes and rivers. The reasons are complex but climate change is the primary culprit.

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