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Dive Against Debris Data Submission

Divewise House Reef

20 November, 2015

Team Leader
Howard Shaw
Number of Participants
7
Total Debris Collected
23 kgs (estimated)

35.924091, 14.494012

Survey Information

Location Name
Divewise House Reef
Organization/Dive Centre
Howard Shaw, c/o Divewise
City
St Julians
Country
Malta
Date
20 November, 2015
Survey Duration
52 Minutes
GPS Coordinates
Latitude: 35.924091
Longitude: 14.494012
Weather Conditions
Calm. light winds.
Survey Depth Range
2.7–6.8 meters
Area Surveyed
4298 m2
Dominant Substrate
rock
Ecosystem
rocky reef
Wave Conditions
Calm (glassy to rippled) for waves 0 – 0.1 meter high
plastic materials collected
Bags-grocery/retail (plastic) 2
Beverage Bottles: Less Than 2 Litres (plastic) 7
Caps & Lids (plastic) 3
Containers: Fast Food, Lunch Boxes & Similar 1
Food Wrappers (plastic) 11
Pipes (plastic-PVC) 3
SCUBA & Snorkel Gear-masks, Snorkels, Fins 1
Plastic Fragments 20
Rope (plastic/nylon) 1
glass materials collected
Glass & Ceramic Fragments 140
Beverage Bottles (glass) 24
metal materials collected
Beverage Cans (aluminium) 12
Caps & Lids (metal) 14
Cars & Car Parts 1
Pipes & Rebar 2
Pull Tabs-beverages 10
Metal Fragments 86
rubber materials collected
Rubber Fragments 9
wood materials collected
Wood Fragments 5
cloth materials collected
Rope And String (cloth) 4
Cloth Fragments 1
mixed materials collected
Computer Equipment & Other Electronic Devices 1
Shoes-flip Flops, Sandals, Tennis, Etc 5
other materials collected
Fibre Glass from a boat 20
Tennis ball 1
Extension Lead 1
Mixed plastic/metal toilet cistern 1

Strong south easterly winds at the beginning of november may well have brought debris in from deeper. Once it enters the bay in front of Divewise it is trapped by Merkanti Reef. The large amount of fibre glass appears to be from a small boat.

Toilet Cistern

Glass fragments. Mainly from beer bottles, which fits with the local reputation as a drinking area for students.

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