Jellyfish swarms and environmental change

The video discusses the phenomenon of jellyfish blooms in coastal environments, highlighting their density and extent. It explores the creation of artificial reefs from old structures and their unintended impact on marine habitats, potentially fostering jellyfish populations. The video also examines various factors, such as nutrient addition, fish removal, and temperature changes, that can lead to increased jellyfish numbers, positioning jellyfish as indicators of ecosystem health.

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