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Created page with "== Introduction == Ocean deoxygenation refers to the decrease in the concentration of dissolved oxygen in the ocean, a phenomenon that is primarily caused by human activities such as global warming and nutrient pollution. This process has significant impacts on marine life, affecting the survival, growth, and reproduction of marine organisms. Image:Detail-42309.jpg|thumb|center|A wide shot of a deep blue ocean with a clear sky. The ocean surface is calm, an..."