Today, we're going to discuss the impact of climate change on coastal ecosystems. One key point is that rising sea levels lead to saltwater intrusion, which damages freshwater wetlands. This affects the habitat of many bird species. Additionally, warmer ocean temperatures cause coral bleaching, reducing biodiversity. However, a less obvious effect is the increase in storm intensity, which erodes beaches and destroys nesting sites for sea turtles. Interestingly, some mangrove forests are adapting by migrating inland, but this is often blocked by human development. Overall, the most immediate threat is not temperature rise itself, but the rate of change, which outpaces species' ability to adapt.
❓ Según la conferencia, ¿cuál es la amenaza más inmediata para los ecosistemas costeros?
A. A. El aumento de las temperaturas oceánicas que causa el blanqueamiento de los corales.
B. B. El aumento en la intensidad de las tormentas que erosiona las playas.
C. C. La rápida tasa de cambio ambiental que supera la capacidad de adaptación de las especies.
D. D. La intrusión de agua salada que daña los humedales de agua dulce.
✅ 正确答案
C. The rapid rate of environmental change exceeding species' adaptation.