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Coastal eutrophication: Dissolved silica (DSi) (kilograms of silica from algae biomass per sq. km. of river basin area per day) by country

Countries reporting
62
Highest
620,993 kg km2 per day
Large Marine Ecosystem: North Brazil Shelf
Lowest
0.258 kg km2 per day
Large Marine Ecosystem: Canadian Eastern Arctic - West Greenland
Median
57,591 kg km2 per day
Years covered
16
2000–2015
Data points
1,056

What the numbers show

Coastal eutrophication: Dissolved silica (DSi) (kilograms of silica from algae biomass per sq. km. of river basin area per day) is currently reported for 62 countries. The highest value is 620,993 kg km2 per day in Large Marine Ecosystem: North Brazil Shelf; the lowest is 0.258 kg km2 per day in Large Marine Ecosystem: Canadian Eastern Arctic - West Greenland.

The median across all reporting countries is 57,591 kg km2 per day, and the mean is 76,296 kg km2 per day.

Over the past decade 35 countries rose and 25 fell. The largest increase was in Large Marine Ecosystem: East Central Australian Shelf (up 238.6%), and the largest decrease in Large Marine Ecosystem: Beaufort Sea (down 70.0%).

Coastal eutrophication: Dissolved silica (DSi) (kilograms): full country ranking

#Country LatestYear 10-year changeTrend
1 Large Marine Ecosystem: North Brazil Shelf 620,993 kg km2 per day 2015 down 1.8% falling
2 Large Marine Ecosystem: Hudson Bay Complex 281,902 kg km2 per day 2015 down 17.1% falling
3 Large Marine Ecosystem: Bay of Bengal 275,674 kg km2 per day 2015 up 53.8% rising
4 Large Marine Ecosystem: Kara Sea 265,549 kg km2 per day 2015 up 13.4% rising
5 Large Marine Ecosystem: Gulf of Alaska 234,138 kg km2 per day 2015 down 4.3% rising
6 Large Marine Ecosystem: West Bering Sea 208,386 kg km2 per day 2015 up 29.5% rising
7 Large Marine Ecosystem: Sea of Okhotsk 201,970 kg km2 per day 2015 up 39.0% rising
8 Large Marine Ecosystem: Laptev Sea 168,798 kg km2 per day 2015 down 19.4% flat
9 Large Marine Ecosystem: Northeast U.S. Continental Shelf 153,580 kg km2 per day 2015 down 9.1% falling
10 Large Marine Ecosystem: Aleutian Islands 142,633 kg km2 per day 2015 down 27.9% flat
11 Large Marine Ecosystem: Yellow Sea 122,839 kg km2 per day 2015 up 7.5% falling
12 Large Marine Ecosystem: Northeast Australian Shelf 118,822 kg km2 per day 2015 up 89.4% rising
13 Large Marine Ecosystem: Scotian Shelf 100,753 kg km2 per day 2015 up 15.1% rising
14 Large Marine Ecosystem: Guinea Current 83,771 kg km2 per day 2015 up 16.3% rising
15 Large Marine Ecosystem: Labrador - Newfoundland 81,741 kg km2 per day 2015 up 23.0% rising
16 Large Marine Ecosystem: Gulf of Mexico 80,884 kg km2 per day 2015 down 30.5% falling
17 Large Marine Ecosystem: Sea of Japan 80,403 kg km2 per day 2015 up 40.8% rising
18 Large Marine Ecosystem: Benguela Current 80,389 kg km2 per day 2015 up 86.6% rising
19 Large Marine Ecosystem: California Current 76,069 kg km2 per day 2015 up 13.4% rising
20 Large Marine Ecosystem: South China Sea 74,874 kg km2 per day 2015 down 14.4% falling
21 Large Marine Ecosystem: Barents Sea 74,049 kg km2 per day 2015 up 5.7% falling
22 Large Marine Ecosystem: Oyashio Current 73,752 kg km2 per day 2015 up 56.4% rising
23 Large Marine Ecosystem: North Australian Shelf 71,225 kg km2 per day 2015 up 41.4% rising
24 Large Marine Ecosystem: North Sea 68,759 kg km2 per day 2015 up 5.0% flat
25 Large Marine Ecosystem: Mediterranean Sea 68,732 kg km2 per day 2015 up 9.5% rising
26 Large Marine Ecosystem: Patagonian Shelf 66,866 kg km2 per day 2015 up 7.0% falling
27 Large Marine Ecosystem: Indonesian Sea 65,294 kg km2 per day 2015 up 38.6% rising
28 Large Marine Ecosystem: East Siberian Sea 63,596 kg km2 per day 2015 up 42.5% rising
29 Large Marine Ecosystem: Kuroshio Current 62,793 kg km2 per day 2015 up 48.2% rising
30 Large Marine Ecosystem: Black Sea 59,494 kg km2 per day 2015 down 13.2% rising
31 Large Marine Ecosystem: Arabian Sea 58,857 kg km2 per day 2015 up 38.1% rising
32 Large Marine Ecosystem: Humboldt Current 56,326 kg km2 per day 2015 down 32.1% falling
33 Large Marine Ecosystem: New Zealand Shelf 49,119 kg km2 per day 2015 up 30.6% rising
34 Large Marine Ecosystem: Baltic Sea 45,279 kg km2 per day 2015 down 13.6% falling
35 Large Marine Ecosystem: Norwegian Sea 39,128 kg km2 per day 2015 down 5.4% flat
36 Large Marine Ecosystem: Somali Coastal Current 37,176 kg km2 per day 2015 up 194.7% rising
37 Large Marine Ecosystem: Agulhas Current 36,305 kg km2 per day 2015 up 49.0% flat
38 Large Marine Ecosystem: East Bering Sea 35,284 kg km2 per day 2015 down 31.5% falling
39 Large Marine Ecosystem: Canadian High Arctic - North Greenland 27,242 kg km2 per day 2015 up 0.2% rising
40 Large Marine Ecosystem: East China Sea 24,875 kg km2 per day 2015 up 51.3% rising
41 Large Marine Ecosystem: Greenland Sea 24,831 kg km2 per day 2015 down 9.4% falling
42 Large Marine Ecosystem: Sulu-Celebes Sea 20,496 kg km2 per day 2015 up 7.7% flat
43 Large Marine Ecosystem: Celtic-Biscay Shelf 19,440 kg km2 per day 2015 up 46.4% rising
44 Large Marine Ecosystem: Southeast Australian Shelf 14,653 kg km2 per day 2015 up 38.3% rising
45 Large Marine Ecosystem: Gulf of California 14,332 kg km2 per day 2015 up 12.8% rising
46 Large Marine Ecosystem: South Brazil Shelf 13,756 kg km2 per day 2015 up 14.5% flat
47 Large Marine Ecosystem: Iberian Coastal 12,825 kg km2 per day 2015 up 83.8% rising
48 Large Marine Ecosystem: Northern Bering - Chukchi Seas 10,987 kg km2 per day 2015 up 18.1% rising
49 Large Marine Ecosystem: Insular Pacific-Hawaiian 10,453 kg km2 per day 2015 down 9.7% falling
50 Large Marine Ecosystem: East Brazil Shelf 10,194 kg km2 per day 2015 down 28.9% falling
51 Large Marine Ecosystem: Gulf of Thailand 9,904 kg km2 per day 2015 down 40.5% falling
52 Large Marine Ecosystem: Northwest Australian Shelf 6,899 kg km2 per day 2015 down 5.0% falling
53 Large Marine Ecosystem: Beaufort Sea 5,843 kg km2 per day 2015 down 70.0% volatile
54 Large Marine Ecosystem: Canary Current 4,893 kg km2 per day 2015 down 25.1% falling
55 Large Marine Ecosystem: East Central Australian Shelf 4,861 kg km2 per day 2015 up 238.6% volatile
56 Large Marine Ecosystem: South West Australian Shelf 4,263 kg km2 per day 2015 down 10.0% falling
57 Large Marine Ecosystem: Southeast U.S. Continental Shelf 1,700 kg km2 per day 2015 down 41.9% falling
58 Large Marine Ecosystem: Red Sea 933.9 kg km2 per day 2015 down 41.9% rising
59 Large Marine Ecosystem: West Central Australian Shelf 423.01 kg km2 per day 2015 down 7.9% rising
60 Large Marine Ecosystem: Faroe Plateau 350.94 kg km2 per day 2015 down 11.0% flat
61 Large Marine Ecosystem: Iceland Shelf and Sea 0.468 kg km2 per day 2015 unchanged flat
62 Large Marine Ecosystem: Canadian Eastern Arctic - West Greenland 0.258 kg km2 per day 2015 unchanged flat

Regions and income groups

Aggregates are excluded from the country ranking above so that a region can never outrank a country.

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Coastal eutrophication: Dissolved silica (DSi) (kilograms of silica) by country. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 07 November 2026, from https://development-goals.statizoid.com/stat/coastal-eutrophication-dissolved-silica-dsi-kilograms-of-silica-from-algae-biomass-per-sq/

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About this data

Indicator
Coastal eutrophication: Dissolved silica (DSi) (kilograms of silica from algae biomass per sq. km. of river basin area per day)
Unit
kg km2 per day
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
66 places, 1,056 data points, 2000–2015
Last refreshed