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A country's per capita water footprint (that nation's water footprint divided by its number of inhabitants) can be used to compare its water footprint with those of other nations. The global water footprint in the period 1996–2005 was 9.087 Gm 3 /yr (Billion Cubic Metres per year, or 9.087.000.000.000.000 liters/year), of which 74% was and ...
Out of all the water on Earth, saline water in oceans, seas and saline groundwater make up about 97% of it. Only 2.5–2.75% is fresh water, including 1.75–2% frozen in glaciers, ice and snow, 0.5–0.75% as fresh groundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.
A country that consumes more than 1.73 gha per person has a resource demand that is not sustainable world-wide if every country were to exceed that consumption level simultaneously. Countries with a footprint below 1.73 gha per person might not be sustainable: the quality of the footprint may still lead to net long-term ecological destruction.
Lighter shades denote countries with a lower ecological footprint per capita and darker shaded for countries with a higher ecological footprint per capita. The total ecological footprint (global hectares affected by humans) is measured as a total of six factors: cropland footprint, grazing footprint, forest footprint, fishing ground footprint ...
Water parks by country (37 C) Water resource management by country (10 C, 22 P) Water sports by country (214 C) Water supply and sanitation by country (125 C, 14 P)
Lists of bodies of water by country (4 C) A. Bodies of water of Afghanistan (4 C) Bodies of water of Albania (12 C, 8 P) Bodies of water of Algeria (3 C, 17 P)
For example, "green water" use is evapotranspirational use of soil water that has been provided directly by precipitation; and "green water" has been estimated to account for 94% of global beef cattle production's "water footprint", [89] and on rangeland, as much as 99.5% of the water use associated with beef production is "green water".
The country's geographic coordinates are Tunisia occupies an area of 163,610 square kilometres, of which 8,250 are water. The principal and reliable rivers rise in the north of the country with a few notable exceptions from north-east Algeria and flow through the northern plain where sufficient rainfall supports diverse plant cover and ...