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Coral Watch

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Duration
1 Day
Location
Gili Trawangan
Departs
Manta Dive Gili T
Tour Type
Diving

Track the Health of the Reef

Coral bleaching is one of the clearest warning signs that a reef is in trouble. On the Coral Watch course, you learn a simple, scientifically tested way to measure it. In just 1 day and 2 dives on Gili Trawangan, you record the colour of corals on two different reefs and help build a picture of how they are coping before, during and after bleaching events.
 
Coral Watch is a citizen science programme run by The University of Queensland. Volunteers have already surveyed more than 2,395 reefs in 81 countries using its Coral Health Chart, and the data you collect on Gili T is added to the same global bleaching database.
 

Skills You Will Gain

  • The CoralWatch Method: use the Coral Health Chart to check coral colour and measure bleaching underwater.
  • Real Data Collection: record your results on the reefs around the Gili Islands and upload them to the worldwide CoralWatch platform.
  • Coral Health Awareness: understand what bleaching is, why it happens and how climate change affects coral reefs.

What Is Included

  • Theory, Briefing & 2 Dives: an introduction to CoralWatch surveys, a dive briefing and two survey dives.
  • Complete Dive Gear: mask, fins, wetsuit, BCD, regulator, tank and weights for both dives.
  • Survey Kit: course materials and CoralWatch slates to record your observations underwater.
Not included: Marine Park Fee of Rp100,000 per person, paid in cash on arrival.
 

Coral Bleaching Survey 1-Day Course

Coral Watch Survey Day | 09:00 to 17:00 | 2 dives
  1. Introduction to CoralWatch: learn how the surveys work and how to use the Coral Health Chart.
  2. Dive 1: record coral bleaching on your first Gili reef.
  3. Dive 2: repeat the survey on a second reef and compare your results.

Diving Course Terms & Conditions

 
Requirements
  • Minimum age: 15 years old.
  • Certification: Open Water Diver or equivalent.
     
Course Limits
  • Maximum depth: 18 m
     
Course fees
  • The course includes your theory session, dive briefing, 2 dives, dive equipment and survey materials.
  • Not included: the Marine Park Fee of Rp100,000 per person, a one-time fee paid in cash on arrival.
     

Amendments and Cancellations 

  • Booking dates may be changed free of charge, subject to availability.
  • Courses may be rescheduled in cases of illness, subject to availability.
  • Diving courses are non-refundable.
  • We are not liable for cancellations due to illness, family matters, missed flights, travel changes, or force majeure events.

Guest rating: 100% — "The Coral Watch course with Manta Dive on Gili Trawangan is a fantastic, accessible way for any certified diver to learn about coral bleaching and support real reef research."

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