Short Wave The Secrecy Of The Horseshoe Crab Blood Harvest
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Aug 2, 2023 Explore the fascinating and controversial world of horseshoe crab blood harvesting. Discover how this unique blue blood is crucial for testing vaccines and medicines, yet its collection raises significant ecological concerns. Learn about the troubling impact on the red knot shorebird population and the lack of regulation in the harvesting industry. Investigate the potential of synthetic blood alternatives and the ethical dilemmas surrounding their use. A call for transparency and stricter protections for these ancient creatures resonates throughout the discussion.
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Red Knot Decline
- The red knot, a migratory shorebird, relies on horseshoe crab eggs for food.
- Their population has declined by 94% in the last 40 years, potentially due to horseshoe crab harvesting.
Horseshoe Crab Depletion
- Horseshoe crabs are moderately depleted, with similar numbers caught for bait and bleeding.
- However, bleeding them can reduce reproduction and slow them down, impacting long-term population decline.
Lack of Protection
- Wildlife biologist Larry Niles points out the lack of protection for horseshoe crabs in Delaware Bay.
- He highlights this as a common problem for all species in estuaries.