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Dive Against Debris Data Submission

Portsmouth Olympic Harbour Marina - 2024

20 April, 2024

Team Leader
Guillaume Courcy
Number of Participants
33
Total Debris Collected
2500 lbs (measured)

44.217786914604, -76.5166631926

Survey Information

Location Name
Portsmouth Olympic Harbour Marina - 2024
Organization/Dive Centre
Neptune & Salacia Diving
City
Kingston
Country
Canada
Date
20 April, 2024
Survey Duration
75 Minutes
GPS Coordinates
Latitude: 44.217786914604
Longitude: -76.5166631926
Weather Conditions
Overcast and rain
Survey Depth Range
2–20 feet
Area Surveyed
100000 ft2
Dominant Substrate
silt
Ecosystem
Silt
Wave Conditions
Calm (glassy to rippled) for waves 0 – 0.1 meter high
plastic materials collected
Bags-grocery/retail (plastic) 9
Bags: Trash (plastic) 9
Beverage Bottles: 2 Litres Or More (plastic) 4
Beverage Bottles: Less Than 2 Litres (plastic) 7
Bottles: Bleach/cleaner Bottles 5
Bottles: Oil/lube 1
Buckets, Drums & Jerrycans-2 Liters Or More 6
Buoys & Floats (plastic & Foamed) 2
Carpet (synthetic) 3
Containers: Fast Food, Lunch Boxes & Similar 3
Cups, Plates, Forks, Knives, Spoons (plastic) 9
Furnishings (plastic) 5
Pipes (plastic-PVC) 3
Sheeting: Tarpaulin, Plastic Sheets, Palette Wrap 1
Plastic Fragments 9
Rope (plastic/nylon) 1
glass materials collected
Cups & Plates-tableware/dishes (glass & Ceramic) 1
Beverage Bottles (glass) 17
metal materials collected
Beverage Cans (aluminium) 21
Cans: Food/juice, Other (tin) 10
Caps & Lids (metal) 1
Cars & Car Parts 2
Cups & Plates-tableware/dishes (metal) 1
Drums: 55 Gallon 1
Pipes & Rebar 8
SCUBA Weights 1
Wire, Wire Mesh & Barbed Wire 2
Metal Fragments 17
rubber materials collected
Inner-tubes & Rubber Sheets 4
Tires/tyres 48
Rubber Fragments 7
wood materials collected
Lumber (processed Or Cut/milled Wood) 4
Wood Fragments 24
cloth materials collected
Bags (burlap) 1
Bags (cloth) 2
Rope And String (cloth) 1
Towels/rags 2
Cloth Fragments 2
mixed materials collected
Bricks, Cinderblocks & Chunks Of Cement 1
Computer Equipment & Other Electronic Devices 1

For tires, the use of used tires as cheap boat bumpers in marinas is a common thing. Unfortunately, the ropes used to hang them from piers will eventually break due to been exposed to the elements and the sun. Tires will be replaced, but the fallen ones are left in the water.

Large flat screen television

Tires


We had 33 divers and 38 shore support, for a total of 71 volunteers. For the last few years, we have organized cleanup dives with a specific effort to attract none divers to our events and help us from shore, in an attempt to raise awareness to the masses about underwater pollution. If an event like this is only run by divers, we cannot accomplish as much. By having shore support volunteers, preferably in a 2:1 ratio (2 shore support to 1 diver), we can accomplish a lot more in one event. We would like to see a way to capture other types of volunteers than just scuba divers. In the past, we have used canoes and kayaks as above water support, either towing debris (tires on a lift bag) or collecting mesh garbage bags from divers. This helps divers not having to swim all the way back to shore, and get a lot more done. Therefore, have more boxes where to input volunteers.

Tires, especially near piers and in marinas. These have been used as cheap boat bumpers. They degrade and decay, slowly releasing harmful contaminants. While it may be a great way to reuse used tires, education must be done to reduce the lost of these tires. When used with ropes, more often than not with poly lines, these ropes will eventually break (degrading due to sun and element exposure). Other times, when chains are used instead of ropes, the tires themselves will start breaking down with age and they will rip and fall in the water. Again, education into responsible use of used tires as boat bumpers could help reduce the amount of tires ending at the bottom of the water.

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