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Dive Against Debris Data Submission

The Wreck of the Cali & Cheeseburger Reef

1 March, 2015

Team Leader
Stephen J. Aynsley
Number of Participants
10
Total Debris Collected
70 lbs (estimated)

19.298485, -81.382076

Survey Information

Location Name
The Wreck of the Cali & Cheeseburger Reef
Organization/Dive Centre
Divers Down
City
George Town
Country
Cayman Islands
Date
1 March, 2015
Survey Duration
90 Minutes
GPS Coordinates
Latitude: 19.298485
Longitude: -81.382076
Weather Conditions
Southerly wind generating some surface chop. Wind switching back to NE for the weekend dive so should be calm
Survey Depth Range
5–9 meters
Area Surveyed
946.963 m2
Dominant Substrate
sand
Ecosystem
coral reef
Wave Conditions
Calm (glassy to rippled) for waves 0 – 0.1 meter high
plastic materials collected
Bags-grocery/retail (plastic) 21
Beverage Bottles: Less Than 2 Litres (plastic) 10
Buoys & Floats (plastic & Foamed) 2
Caps & Lids (plastic) 5
Cups, Plates, Forks, Knives, Spoons (plastic) 350
Fishing: Line 5
Gloves (latex) 6
Pipes (plastic-PVC) 5
SCUBA & Snorkel Gear-masks, Snorkels, Fins 1
Straws, Stirrers 4
Plastic Fragments 23
Strapping Bands (plastic) 1
Rope (plastic/nylon) 7
glass materials collected
Glass & Ceramic Fragments 4
Beverage Bottles (glass) 7
metal materials collected
Cans: Food/juice, Other (tin) 36
Caps & Lids (metal) 4
Metal Fragments 8
rubber materials collected
Gloves (rubber) 3
Rubber Fragments 5
wood materials collected
Furnishings (wood) 1
Wood Fragments 3
cloth materials collected
Rope And String (cloth) 20
Towels/rags 2
Cloth Fragments 17
paper materials collected
Cardboard: Packaging & Cartons 14
Paper, Cardboard Fragments 3
mixed materials collected
Shoes-flip Flops, Sandals, Tennis, Etc 1
other materials collected
Items unknown 23
Entangled Animals
Crustaceans
Species or Common Name Sea Urchin entangled in a mesh bag
Number Entangled 1
Status released unharmed
Type of Debris fragment of mesh bag

My suspicion is the snorkel trips offered to cruise ship passengers. They take a high volume of snorkelers to the 2 sites I chose for the clean up (this is why I chose them specifically). After seeing the debris it was largely composed of plastic, more specifically plastic cups which ar either being thrown over or disgarded incorrctly.

Nothing unusual. Although we did recover a pink wrist watch

Plastic cups


only that I was disappointed to see so much plastic. We all know that plastic items take an extremely long time to break down, so why operators in the marine based industry continue to use them is baffling - especially when such a large amount of it is deposited into the ocean. I know it is not all from boats or excursion operators, and that a lot will be from the land which has blown its way into the water but it was still not nice to have such a high percentage of the collection turn out to be plastic :(

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