{"id":41463,"date":"2024-05-09T11:43:32","date_gmt":"2024-05-09T11:43:32","guid":{"rendered":"https:\/\/edukemy.com\/blog\/?p=41463"},"modified":"2024-06-25T05:05:31","modified_gmt":"2024-06-25T05:05:31","slug":"discuss-the-concept-of-coral-bleaching-its-recovery-and-macroalgal-regime-shifts-due-to-this-process-upsc-geography-optional-mains-2020","status":"publish","type":"post","link":"https:\/\/edukemy.com\/blog\/discuss-the-concept-of-coral-bleaching-its-recovery-and-macroalgal-regime-shifts-due-to-this-process-upsc-geography-optional-mains-2020\/","title":{"rendered":"Discuss the concept of coral bleaching, its recovery and macroalgal regime shifts due to this process. UPSC Geography Optional Mains – 2020"},"content":{"rendered":"\n

The process of coral bleaching is complex and global, intricately linked to climate change and other anthropogenic activities.<\/p>\n\n\n\n

As per the NOAA Coral Reef Watch, 71% of the world’s coral reefs likely experienced bleaching at least once between 1985 and 2017. <\/p>\n\n\n

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Concept of coral bleaching<\/strong><\/p>\n\n\n\n

Coral bleaching is the phenomenon where corals expel the symbiotic algae (zooxanthellae) living in their tissues, causing them to turn white. <\/p>\n\n\n\n

This occurs due to stress, primarily driven by increased sea temperatures. The expelled algae deprive corals of their nutrient source, making them more susceptible to disease and mortality.<\/p>\n\n\n\n

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The process of coral recovery is linked to macroalgal regime shifts, their relationship is discussed below:<\/p>\n\n\n\n

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Coral bleaching recovery<\/strong><\/p>\n\n\n\n

Coral recovery, process by which coral reefs, which have been damaged or degraded due to various stressors -pollution, climate change, overfishing, or physical damage, begin to recover and regain their health and ecological function.<\/p>\n\n\n\n

Coral recovery can occur naturally through processes-coral recruitment, growth, and reproduction, as well as through human interventions-coral restoration projects. <\/p>\n\n\n\n

It depends on factors-water temperature returning to normal levels, reduced stressors, and the ability of corals to regain symbiotic algae. <\/p>\n\n\n\n

Resilient corals may recover over time, but prolonged or repeated bleaching events hinder recovery, leading to long-term degradation.<\/p>\n\n\n\n

Key components of coral recovery include:<\/strong><\/p>\n\n\n\n