Marine Debris Exit Survey at a Beach in Miyako Island, Okinawa
Feb. 11, 2011
|
| Date Monitored: |
February 11, 2011 |
Beach Size: |
100-105 meters x 10-12 meters |
| Survey Conducted by: |
Dr. Satoshi Oshiro & 11 members |
Sampling Unit: |
100 meters x 10 meters |
| Beach Name: |
Takano in Miyako Island, Okinawa, Japan |
Beach Usage: |
Rural |
| Beach ID (Lati./Long): |
24.804699,125.331597 (Center of sample unit) |
River/Creek input: |
No |
|
 |
 |
Total Number and Weight of Debris Items Collected from Survey Site
(Sampling Units: 100m x 10 m. Start point: 24.840222,125.331908 End point: 24.80523,125.331302) |
| |
Types of Debris |
Quantity |
% |
Weight (kg) |
% |
Country-by-Country |
| |
|
|
|
|
|
J=Japan, C=China, T=Taiwan, K=Korea, U=unknown |
| Fishing Gears: |
|
|
|
|
|
1. |
Fishing net |
1 |
0% |
3.50 |
0.7% |
|
2. |
Fishing lines |
|
|
|
|
|
3. |
EPS Fishing floats and quills |
493 |
8.3% |
31.60 |
6.3% |
|
4. |
EVA or PVC float or buoy |
258 |
4.4% |
289.00 |
57.2% |
|
5. |
Ropes |
1 |
0% |
6.00 |
1.2% |
|
6. |
Foamed Polystyrene products |
1,652 |
28% |
42.60 |
8.4% |
|
|
|
|
|
|
|
| Plastic Products* |
|
|
|
|
7. |
6 Pack holders |
|
|
|
|
|
8. |
Plastic bags |
|
|
|
|
|
9. |
Caps, lids, pull tabs |
|
|
|
|
|
10. |
Plastic cups, knives, forks, spoons |
|
|
|
|
|
11. |
Food wrappers, sandwich bags |
|
|
|
|
|
12. |
Plastic containers |
|
|
|
|
|
13. |
Straws, stirrers |
|
|
|
|
|
14. |
PET bottles |
882 |
15% |
70.00 |
13.9% |
| J |
17 |
C |
738 |
T |
66 |
K |
36 |
U |
25 |
|
15. |
Balloons |
|
|
|
|
|
16. |
Plastic Baskets |
3 |
0% |
2.00 |
0.4% |
|
17. |
Plastic pieces |
2,165 |
36.7% |
17.00 |
3.4% |
|
| |
|
|
|
|
|
| Other Debris: |
|
|
|
|
18. |
Cigarette filters |
|
|
|
|
|
19. |
Cigarette lighters |
|
|
|
|
|
20. |
Tires |
|
|
|
|
|
21. |
Light bulbs |
23 |
0.4% |
1 |
0.2% |
|
22. |
Rubber pieces |
283 |
4.8% |
17.00 |
3.3% |
|
23. |
Slippers |
|
|
|
|
|
24. |
Cable Sleeves |
|
|
|
|
|
25. |
Glass bottles |
104 |
1.7% |
25.00 |
4.9% |
|
26. |
Syringes |
|
|
|
|
|
| 27. |
Soda cans |
|
|
|
|
|
| 28. |
Cans |
39 |
0.7% |
0.54 |
0.1% |
|
| |
TOTAL |
5,904 |
100% |
505.24 |
100% |
| J |
20 |
C |
775 |
T |
70 |
K |
39 |
U |
5,000 |
|
| |
|
|
|
|
| Density Survey (Sample Unit: One SQ meters Quadrat Located at 24.805591,125.331194) / Feb. 26.2011 |
| |
Types of Debris |
Quantity |
% |
Weight (g) |
% |
|
| a. |
Plastic beverage bottles |
18 |
8.78% |
600 |
10.16% |
|
| b. |
Plastic containers |
|
|
|
|
|
| c. |
Plastic bags |
|
|
|
|
|
| d. |
EPS Fish box or foam-filled fish box |
|
|
|
|
|
| e. |
Fishing lines, fishing gears |
multiple |
|
300 |
5.08% |
|
| f. |
Fishing floats and quills |
24 |
11.70% |
1,800 |
30.48% |
|
| g. |
Fishing net & ropes |
|
|
|
|
|
| h. |
Rubber slippers, sandals |
6 |
2.93% |
300 |
5.08% |
|
| i. |
Soda cans |
1 |
0.49% |
50 |
0.85% |
|
| j. |
Plastic pieces |
10 |
4.88% |
1,500 |
25.40% |
|
| k. |
Rubber pieces |
17 |
8.29% |
65 |
1.10% |
|
| l. |
PP foam pieces |
129 |
62.44% |
700 |
11.86% |
|
| m. |
Cans |
1 |
0.49% |
590 |
9.99% |
|
| |
TOTAL |
206 |
100% |
5,905 |
100% |
|
| Methods of Disposal Applied |
| |
Type of Debris |
Method of
Disposal |
Amount
Disposed (kg) |
Name Facility |
Ratio of
Incineration |
Ratio of
Recycle |
| 1. |
Plastic beverage bottles |
Incinerated |
70.00 |
Miyakojima City Municipal
Incineration Facility (MCMIF) |
13.85% |
|
| 2. |
Fishing floats and quills |
Incinerated |
31.60 |
MCMIF |
6.23% |
|
| 3. |
Fishing net |
Incinerated |
3.50 |
MCMIF |
0.69% |
|
| 4. |
Fishing lines |
Incinerated |
|
MCMIF |
|
|
| 5. |
EVA or PVC float or buoy |
Incinerated |
289.00 |
MCMIF |
57.20% |
|
| 6. |
Plastic bags |
Incinerated |
|
MCMIF |
|
|
| 7. |
Ropes |
Incinerated |
6.00 |
MCMIF |
1.2% |
|
| 8. |
Plastic baskets |
Incinerated |
2.00 |
MCMIF |
0.4% |
|
| 9. |
Plastic pieces |
Incinerated |
17.00 |
MCMIF |
3.4% |
|
| 10. |
Rubber pieces |
Incinerated |
17.00 |
MCMIF |
3.4% |
|
| 11. |
Tires |
Recycled |
|
Miyakojima City Municipal Holding
Facility for Recycle (MCMHFR) |
|
|
| 12. |
Formed polyestrene |
Incinerated |
42.60 |
MCMIF |
8.4% |
|
| 13. |
Cable Sleeves |
Incinerated |
|
MCMIF |
|
|
| 14. |
Light bulbs |
Incinerated |
1.00 |
MCMIF |
0.20% |
|
| 15. |
Glass bottles |
Recycled |
25.00 |
MCMHFR |
4.93% |
|
| 16. |
Cans |
Recycled |
0.54 |
MCMHFR |
0.10% |
|
| 17. |
Crab pot and traps |
Recycled |
|
MCMHFR |
|
|
| 18. |
Syringes |
Incinerated |
|
MCMIF |
|
|
| |
TOTAL |
|
505.24 |
|
100%
|
0.00% |
|
|
