. "Appendix C: Selected Literature on Quantities and Impacts of Marine Debris." Tackling Marine Debris in the 21st Century. Washington, DC: The National Academies Press, 2008.
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Tackling Marine Debris in the 21st Century
TABLE I Prevalence of Marine Debris in Coastal Environments
Location
Study Period
Number of Items (range)
Per Unit Length of Coastline
items • km–1
NP, Alaska
1972–1974, 1983
390
(193–589)
WP, Indonesia
1985, 1995
6,452
(100–29,000)
NA, Gulf of Maine
1987
MED, Israel
1988–1989
7,354
(5,834–9,176)
MED, N/E
1988–1989
32,420
(6,000–231,000)
MED, Israel
1990–1991
10,247
(5,120–27,774)
CAR, Panama
1990–1991
4
(2–2)
SP, Ducie Atoll
1991
395
CAR, S–E
1991–1992
(1,900–11,200)
IND, Australia
1991–2000
CAR, Curaçao
1992–1993
48,500
(8,220–88,840)
SA, Scotia Arc Isl.
1993–1997
146
(0–285)
IO, South Africa
1994–1995
37,400
(19,600–72,500)
SA, Brazil
1995
7,400
(300–60700)
SP, N Australia, GBR
1996
625
(62–1,715)
IO, N Australia
1996–1997
92
(52 – 132)
NA, Scotland
1996–1998
53
(5–235)
NA, Wales
1998–2000
2,274
(170–16,030)
SA, Brazil
2001–2004
9
(6–12)
IO, Gulf of Oman
2002
1,790
(430–6,010)
NA + SA
2002
1,080
(0–8,800)
MED, Balearic Island
2005
34,640
(30,500–39,750)
Per Unit Area of Shore
items • km–2
SP, Pitcairn Isl.
1991–1993
230,000
(120,000–350,000)
NP, Indonesia
1994
27,1000,000
(700,000–53,400,000)
SP, E Australia
1994
44,800
(29,400–59,100)
Red Sea, Jordan
1994–1995
4,026,100
(2,436,800–6,171,000)
SP, E Australia
2000
133,200
(34,000–298,000)
NP, Sea of Japan
2000
(207,000–3,410,000)
SA, Argentina
2000
62,462
(9,462–150,900)
NP, Mexico
2000
1,525,000
(1,238,800–1,829,700)
SA, Brazil
2001
137,580
(33,700–233,300)
NA, Scotland
2001–2003
989,189
(160,000–3,060,000)
NOTE: Mean values, when replicate sampling is carried out, are given with range in parentheses. Studies were separated according to sampling methods: per unit shoreline (km–1) or unit area (km–2). Region Legend: NA = North Atlantic; SA = South Atlantic, NP = North Pacific; WP = Western Pacific; SP = South Pacific; IO = Indian; CAR = Caribbean; MED = Mediterranean.
