卫星追踪揭密海龟的隐秘迁徙路线
For decades, the migration routes of sea turtles remained one of the ocean's great mysteries. These ancient reptiles would disappear from nesting beaches and reappear thousands of kilometers away with no clear path in between. Now, satellite telemetry is filling in the blanks, allowing scientists to map the unseen highways of these endangered species.
The technology is deceptively simple: researchers attach a small, waterproof transmitter to the turtle's shell using a gentle epoxy. Once the turtle dives, the tag stops transmitting, but each time it surfaces to breathe, the device sends a signal to overhead satellites. From orbit, scientists can track the turtle's position, water temperature, and even the depth of its dives without ever disturbing its natural behavior.
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