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Israeli Researchers Unravel Galapagos Seaweed Mystery Using DNA
Israeli and international researchers used DNA analysis and historical records to determine that the seaweed Asparagopsis taxiformis was introduced to the Galapagos Islands by ships around World War II, solving a decades-old mystery about its origin in the unique ecosystem.
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What happened
- 01Israeli researchers helped identify Asparagopsis taxiformis as an introduced species in the Galapagos.
- 02DNA analysis of modern and historical samples revealed a non-native genetic lineage.
- 03Historical records showed the seaweed's absence in the 1930s and abundance by the 1960s.
- 04The introduction likely occurred via ships during or after World War II.
- 05The finding highlights the vulnerability of the Galapagos to invasive species.
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