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Dive Against Debris Data Submission

Gunnamatta Bay

1 March, 2020

Team Leader
Stephen Guy
Number of Participants
16
Total Debris Collected
75 kgs (estimated)

-34.058376, 151.149571

Survey Information

Location Name
Gunnamatta Bay
Organization/Dive Centre
Abyss Scuba Diving
Country
Australia
Date
1 March, 2020
Survey Duration
45 Minutes
GPS Coordinates
Latitude: -34.058376
Longitude: 151.149571
Weather Conditions
Survey Depth Range
1–7 meters
Area Surveyed
1765.2 m2
Dominant Substrate
silt
Ecosystem
seagrass
Wave Conditions
Calm (glassy to rippled) for waves 0 – 0.1 meter high
plastic materials collected
Bags-grocery/retail (plastic) 3
Balls 3
Beverage Bottles: 2 Litres Or More (plastic) 3
Beverage Bottles: Less Than 2 Litres (plastic) 80
Buoys & Floats (plastic & Foamed) 1
Caps & Lids (plastic) 6
Containers: Fast Food, Lunch Boxes & Similar 14
Cups, Plates, Forks, Knives, Spoons (plastic) 12
Fishing: Line 15
Fishing: Lures, Rods/poles 8
Food Wrappers (plastic) 17
Furnishings (plastic) 1
Gloves (latex) 2
SCUBA & Snorkel Gear-masks, Snorkels, Fins 13
Straws, Stirrers 2
glass materials collected
Jars-food (glass) 2
Glass & Ceramic Fragments 4
Beverage Bottles (glass) 48
metal materials collected
Batteries: AA, AAA, C & D, 6V, 9V, Etc. 1
Beverage Cans (aluminium) 85
Cans: Food/juice, Other (tin) 2
Caps & Lids (metal) 2
Wrappers (foil/metal) 9
Fishing: Sinkers, Lures, Hooks 14
rubber materials collected
Inner-tubes & Rubber Sheets 1
Rubber Bands 6
Tires/tyres 1
wood materials collected
Wood Fragments 1
cloth materials collected
Towels/rags 20
Cloth Fragments 26
paper materials collected
Paper-books, Newspaper & Magazines, Etc. 1
Paper, Cardboard Fragments 15
mixed materials collected
Clothing 63
Shoes-flip Flops, Sandals, Tennis, Etc 2
Tampons 1
Toys 3
other materials collected
Hairbrush 1
Swimming Cap (latex?) 1
Sunglasses 12
Oar segments (plastic) 4
Knife (fileting) 1
Retractable box cutter 1
Pair of Scissors 2
Wrist lanyard 2
Stereo earphone leads 1
CB speaker small rectangular 1
Bicycle Rim rear with spokes and gear sprockets 1
Metallic Scooter handle pillar 1
Portable Rain umbrella 1
Plastic Outdoor / Beach umbrella post & flange 1
Underwater torch 1
Plastic necklace and Crucifix 1
Intact chocolate bar 1
Intact Nescafe Coffee sachet 1
Metal beach fishing rod holder 1
Plastic tape 8
Entangled Animals
Other Fish
Species or Common Name Small flathead
Number Entangled 2
Status released unharmed
Type of Debris Unknown, probably towel or clothing
Crustaceans
Species or Common Name Crab
Number Entangled 2
Status released unharmed
Type of Debris Unknown - probably towel or clothing
Other Animals
Species or Common Name Blue Ringed Octopus
Number Entangled 1
Type of Debris Unknown, found on sorting tarpaulin
Comments Looked very heat stressed in sun, found almost upside down. Released into water.

Swimming enclosure with large number of items lost, carelessly controlled and deliberately dumped

plastic beverage bottles - used heavily in this area but too prone to easy loss and inconvenient to remove and dispose of environmentally respectfully

towels and swimming garments - these are unlikely to be dumped but numbers are considerable and whilst may provide some habitat could affect the natural covering of the seafloor

Glass beverage bottles. These may break and be trodden on by swimmers.

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