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5 TOP 10 ITEMS: 5 YEAR TRENDS
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TRASH FREE SEAS IN CALIFORNIATRASH FREE SEAS IN CALIFORNIAOCEAN PROTECTION COUNCIL MARINE DEBRIS WORKSHOP
June 28, 2013Nicholas J. Mallos
TOP 10 ITEMS: CA CLEANUP 2008-2012
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TOP 10 ITEMS: 5 YEAR TRENDS
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TOP 10 ITEMS: MASS VS. ABUNDANCE
RankRank Item Total Mass (kg)
1 Glass beverage bottles (7) 35,583.65
2 Food wrappers & Takeout containers (2) 9,339.02
3 Paper bags (4) 3,289.66
4 Plastic beverage bottles (9) 2,867.67
5 Plastic bags (4) 2,534.56
6 Cups, Plates, Forks, Knives, Spoons (5) 1,790.30
7 Beverage cans (10) 1,773.58
8 Caps & Lids (3) 818.43
9 Cigarettes & Cigarette Filters (1) 462.14
10 Straws & Stirrers (6) 108.26
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ANSWERING THE PLASTICS “SO WHAT?”
National Center for Ecological Analysis and Synthesis
Principle objectives:
I.Analysis and synthesis of the risks and impacts of marine debris
I.Quantification of plastic debris in the marine environment
I.Probabilistic risk assessment of marine debris
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INCREASING RIGOR OF PLASTICS DATA
• New Cleanup data form– Material specific – Tiny trash (i.e. plastics, glass, PS)
• California trash analysis:– Brand characterizations– Classification of beach plastics
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Brands A-D comprise 54% of trash
OCEAN TRASH BRAND CHARACTERIZATION
PE + PP•92.3% beach•58.0% annual
BEACH VS. ANNUAL PLASTICS