Understanding ecosystem thresholds is ecologically significant because it reveals points at which a slight change in environmental conditions can trigger severe, often irreversible changes to an ecosystem. These thresholds can result from factors like pollution, climate change, and habitat destruction. Recognizing these critical limits helps scientists and policymakers design effective conservation strategies to maintain ecosystem health. By understanding thresholds, we can better predict and manage risks, ultimately leading to effective ecosystem restoration and resilience. This knowledge is vital in guiding responses to environmental challenges and ensuring sustainable resource use.