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Annex 1.
Analysis of water samples - Kepulauan Riau and Kepulauan Anambas

Date
(July)		LocationS/B1Temperature
(°C)		Salinity
(ppt)		pH
(units)		Dissolved oxygen
(ppm)		Nitrogen
(mg/l)		Nitrate
(mg/l)		Total Phosphate
(ppm)
3Bintan I — Sungai Jang
- At grouper farmS26286.85.00.542.32< 0.25
-  "       "          "B26286.85.00.421.81< 0.25
- Middle Selat DompakS29307.2-0.542.32< 0.25
3Bintan I — Kawal
- In crab pondS30277.2-0.361.55< 0.25
- Offshore at fish trapS29.5327.3-0.200.86< 0.25
4Bintan I — off Kijang
- Near Kijang VillageS----0.542.32< 0.25
- Red buoy — Koyan IS--7.2-0.170.73< 0.25
4Mantang I — Kekip I
- In south grouper penB30307.25.00.783.350.25
- In north grouper penB---5.0---
- At fish trapS30327.3-0.461.98< 0.25
5Bintan I — Tanjung Pinang
- At shipyard in harbourS29266.9-0.401.72< 0.25
- At mouth of Sungai TumpatS29.5196.5-0.572.450.45
6Bintan I — Telok Bintan
- N. of Los IslandS30307.1-0.401.72< 0.25
- S. of Ujan IslandS30297.5-0.170.730.45
- Channel N. of Ujan Is.S30287.2-0.241.03< 0.25
- E. of Los IslandS30307.1-0.241.03< 0.25
7Pankil I — S.E. endS30307.2-0.100.430.25
7Sembur I — grouper farmS30297.34.50.180.770.25
8Rempang I — N.E. end
- At fish trap in channelS29.5307.2-0.301.290.30
8Rempang I — S.E. side
- N. of Traling I. in channelS29307.24.00.241.03< 0.25
- N. of Traling I. in channelB29307.65.0---
8Batam I — S. side
- S. Tambesi coveS30307.3----
9Menkada I — N. sideS29307.5-0.230.99< 0.25
11Bintan I — Tanjung Pinang
- In sea outside of shrimp pondsS30296.88.00.381.63< 0.25
- In middle shrimp pond close to seaS30297.46.00.542.32< 0.25
- In middle shrimp pondS29.5277.76.00.341.46< 0.25
- In shrimp pond close to roadS29.5287.68.00.140.60< 0.25
- In city reservoir2S3005.77.00.190.82< 0.25
15Matak I — S.E. side
- Selat PenintingS30337.55.00.371.59< 0.25
- Telok Niulwan — channelS30337.67.0---
-  "          "                  "B30337.57.5---
16Matak I — N.W. side
- Telok Ulu Mangar — S. endS30337.56.00.421.810.00
-   "        "        "           "    "B30337.65.00.441.890.00
17Siantan I — E. side
- Telok BurukS29337.55.00.170.73< 0.25
- Batu TambunS29347.65.00.361.55< 0.25
- Cove S. of Batu TambunS29337.1-0.281.20< 0.25
17Badjau I — N.E. side
- Pelayang village coveS2934.57.56.00.512.14< 0.25
17Batu Belah I — S.E. sideS29347.56.00.562.410.00
18Matak I — S.E. side
- Telok NiulwanS30.5347.55.00.170.730.25
-    "         "B30.0327.76.00.261.620.00
18Siantan I — N. side
- Pier at Fishing BaseS-33--0.140.60< 0.25
-   "    "     "        "B-33--0.321.38< 0.25
19Jemaja I — S.E. side
- Telok Tiru — middleS28327.6-0.180.77< 0.25
-     "      " near W. endS30337.66.00.271.160.00
-     "      "   "     "    "B29337.66.00.281.20< 0.25
- Cove S. SelubungS2933--0.210.90< 0.25
- Telok Kuala — villageS3033-6.00.461.98< 0.25

1 Surface or bottom
2 Hardness = 20 mg/l; alkalinity = 20 mg/l.

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