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Dive Against Debris Data Submission

Lighthouse

12 May, 2024

Team Leader
Joseph Dent
Number of Participants
24
Total Debris Collected
7.5 kgs (estimated)

10.121255614925, 99.842644565319

Survey Information

Location Name
Lighthouse
Organization/Dive Centre
Master Divers
City
koh tao
Country
Thailand
Date
12 May, 2024
Survey Duration
52 Minutes
GPS Coordinates
Latitude: 10.121255614925
Longitude: 99.842644565319
Weather Conditions
a storm had recently passed through the island. other than that conditions had been stable.
Survey Depth Range
5–12 meters
Area Surveyed
1800 m2
Dominant Substrate
coral
Ecosystem
coral reef
Wave Conditions
Smooth (wavelets) for waves 0.1 - 0.5 meter high
plastic materials collected
Bags-grocery/retail (plastic) 14
Beverage Bottles: 2 Litres Or More (plastic) 30
Beverage Bottles: Less Than 2 Litres (plastic) 70
Bottles: Bleach/cleaner Bottles 3
Buoys & Floats (plastic & Foamed) 1
Caps & Lids (plastic) 39
Food Wrappers (plastic) 31
Straws, Stirrers 2
Plastic Fragments 170
Rope (plastic/nylon) 51
glass materials collected
Jars-food (glass) 3
Beverage Bottles (glass) 1
metal materials collected
Beverage Cans (aluminium) 4
Cans: Food/juice, Other (tin) 2
Caps & Lids (metal) 2
Drums: 55 Gallon 2
Metal Fragments 1
rubber materials collected
Gloves (rubber) 2
Rubber Bands 2
wood materials collected
Wood Fragments 4
cloth materials collected
Bags (burlap) 1
Bags (cloth) 2
Rope And String (cloth) 15
Cloth Fragments 6
mixed materials collected
Clothing 2
other materials collected
sand bag 1

the storm passing through likely dragged extra debris into the bay

sand bag with strange morphology

ropes entangled on branching corals

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