ZSI starts tagging olive ridleys to track migration path
- Posted By
10Pointer
- Categories
Environment
- Published
13th Jan, 2021
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Context
- The Zoological Survey of India has started tagging endangered olive ridleys to track their migration path in the off-shore waters of Odisha.
What is tagging and how it will be useful?
- The tags are made up of aluminum.
- Platform Transmitter Terminals (PTTs) or tags, permits an online monitoring of migratory routes.
- Generally, these are radio transmitters that transmit a signal that can be detected by polar orbiting satellites.
- The Study was conducted to know the migration path.
- The study was then carried out to know their movement in sea so that the area can be avoided for hydrocarbon exploration.
- It will help in protecting the migration routes from the any anthropogenic activities.
What are the mass nesting sites of Olive Ridley Turtle in India?
- The Rushikulya beach, Odisha is one of the largest mass nesting sites for sea turtles.
- The Gahirmatha Marine Sanctuary, the Devi river mouth, Odisha and West Bengal are other sites.
- They are alsofound on the shores of the Andaman Islands.
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Characteristics of beach chosen by Olive Ridley Turtle
Olive riddle generally choose nest in the beach having following characteristics:
- Beach must be accessible from sea.
- It should be high enough to prevent inundation of eggs by high tide.
- The substrate must facilitate gas diffusion and be moist and fine to prevent collapse of Eggs.
- The coastal water should be low salinity and high humidity.
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