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Tag: Phosphate

Discharge of selected pollutants
Data referring to the Biological Oxygen Demand load (BOD), total suspended solids (TSS), total nitrogen and total phosphorus levels were available for all five of the Caspian countries through the Baseline Inventory Re...
17 Oct 2013 - by GRID-Arendal
Fertilizer consumption in the Nordic countries, 1980-1996
The graph shows the consumption of fertilizers in the Nordic countries form 1980 to 1996 with projections to 2006. The fertilizers included are phosphate, Potash and Nitrogen which are the three most important nutrients ...
13 Feb 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Mean nutrient concentration in the coast of Romania
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
10 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Distribution of pollutant loads in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
01 Oct 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Global fertilizer consumption
In recent years, there has been concern that the quantity of mineral fertilizers used in agriculture having adverse effects on the environment. Attention has been drawn to the fact that when nutrients are applied to crop...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Phosphate levels in major basins
A comparison of the major watersheds between the two decades showed that Northern Europe and North America had lower phosphate concentrations, while the Ganges and Brahmaputra watersheds in South Central Asia had higher ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Mine and industrial site in Koshkar-Ata, Kazakhstan
Much of the area near Koshkar-Ata Lake in Kazakhstan, just off the shore of the Caspian Sea, has been severely polluted due to mining activities of uranium phosphate. The area is also affected from chemical plants and m...
29 Nov 2007 - by Viktor Novikov, UNEP/GRID-Arendal
Discharge of selected pollutants
Nitrogen and phosphorous represents nutrients that can be seen as pollutants, as large concentations of those increase eutrophication. Nutrients are present in primarily commercial fertilisers and in sewage. A measure of...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Dissolved phosphate levels: concentrations at river mouths
Phosphorus is naturally present in water, primarily as inorganic and organic phosphates. Phosphates can enter aquatic environments in several ways: from the natural weathering of minerals in the drainage basin, from biol...
26 Jan 2009 - by Phillippe Rekacewicz, February 2006
Industrial areas and seasonal zones of oxygen depleted waters
This graphic illustrates the strong link between areas with high densities of industrial activity and zones of seasonally oxygen-depleted waters. There is a strong link between areas with high densities of industrial ac...
26 Jan 2009 - by Phillipe Rekacewicz, (Le Monde diplomatique) February 2008