Coastal jellyfish populations increasing all over the world

Jellyfish are increasing in the majority of the world’s coastal ecosystems, according to the first global study of jellyfish abundance by University of British Columbia researchers.

Jellyfish population trends

Population trends of native and invasive species of jellyfish by Large Marine Ecosystem. Red increase (high certainty), orange increase (low certainty), green stable/variable, blue decrease, grey no data. Circles represent discrete chronicles with relative sizes reflecting the Confidence Index.

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