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An increase in the Pacific sea otter population leads to a decline in the abalone population off the coast of California. Sea otters are a natural predator of sea urchins, which graze on kelp and indirectly affect the abalone population. As otters thrive and control sea urchin numbers, kelp forests can flourish, providing a better habitat for abalones. Consequently, while otter populations rise, the abalone population may initially decline due to increased predation, but over time, healthier ecosystems can support both species.

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3mo ago

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