2026年1月托福机经套卷(第11套) - Read an Academic Passage Q3

Coral Reef Restoration Coral reefs are defined as an underwater ecosystem formed by colonies of tiny marine animals called coral polyps. They are among the most diverse ecosystems on Earth; however, they are facing severe threats from climate change, pollution, and overfishing. These threats have led to widespread coral bleaching, where corals lose their vibrant colors and turn white. Bleaching weakens corals, making them more susceptible to disease and ultimately leading to their death. Scientists and environmentalists are working on various restoration techniques to combat this decline. These efforts highlight the urgency of finding effective solutions to protect these vital ecosystems. One promising method is coral gardening, where fragments of healthy coral are grown in underwater nurseries and then transplanted onto damaged reefs. This technique has shown significant success in certain areas, helping to rebuild reef structures and promote biodiversity. Another innovative approach involves using electricity to stimulate coral growth. This method, known as BiorockTM technology, creates an electric field that encourages the deposition of minerals found in seawater, accelerating coral growth. Despite these efforts, challenges remain. Restoration projects are often expensive and labor-intensive, and the long-term success of these techniques is still uncertain. Continuous research and adaptive management strategies are crucial for ensuring the resilience of coral reefs in the face of ongoing environmental changes.