NOAA Fisheries Develops New eDNA Tool to Monitor Recovery of Sunflower Sea Star

Researchers at NOAA's Pacific Marine Environmental Laboratory (PMEL) have developed a rapid environmental DNA (eDNA) detection method to significantly improve monitoring of the sunflower sea star, an apex predator severely impacted by a wasting disease during the 2013-2016 Pacific marine heatwave. This new tool will aid conservation partners in tracking the species' health and recovery.

Context

The sunflower sea star population experienced a dramatic decline during the 2013-2016 Pacific marine heatwave, primarily due to a disease that caused mass mortality. NOAA's Pacific Marine Environmental Laboratory has focused on understanding and addressing this decline. The development of a rapid eDNA detection method represents a significant advancement in tracking the species' health.

Why it matters

The sunflower sea star plays a crucial role in marine ecosystems as an apex predator. Its decline due to a wasting disease has raised concerns about broader ecological impacts. Monitoring its recovery is vital for maintaining the health of marine environments and ensuring biodiversity.

Implications

Successful monitoring and recovery of the sunflower sea star could lead to improved strategies for managing marine ecosystems. This tool may also enhance collaboration among conservation groups and researchers. The health of the sunflower sea star population could influence the stability of various marine species and habitats.

What to watch

The implementation of the new eDNA tool will be closely monitored by conservation partners and researchers. Future studies will assess its effectiveness in tracking sunflower sea star populations. Additionally, updates on the overall recovery of the species will be important indicators of ecosystem health.