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| Variable: |
Environment > Water > Dissolved oxygen concentration |
Health > Intestinal diseases death rate |
| Plot Display: |
Logarithmic (base 10) |
Logarithmic (base 10) |
| Definition: |
Dissolved oxygen concentration
Units: Milligrams/Liter
Units: The country values represent averages of the station-level values for the three year time period 1994-96, exceptwhere data were only available for an earlier time period (1988-1993). The number of stations per country varies depending on country size; number of bodies of water; and level of participation in the GEMS monitoring system. The data from "The Wellbeing of Nations" included a smaller subset of stations representing outfalls of major watersheds. An analysis of a sample of countries with numerous stations found that the data for stations in the subset is broadly comparable to the data for all GEMS stations in those countries. |
Death rate from intestinal infectious diseases
Units: Deaths/100,000 Population
Units: The final number is based on an aggregation of deaths recorded for WHO code B01 for all age groups by sex. These were then combined with UN Population Division population data for the country in that particular year. The death rates were standardized utilizing the age structure for the population of Canada. See page 22 of the2001 ESI report for more details on the methodology. |
| Source: |
United Nations Environment Programme (UNEP), Global Environmental Monitoring System/Water Quality Monitoring System, with data for an additional 29 countries from Prescott-Allen,R. The Well being of Nations, Washington, DC: Island Press, 2001 |
World Health Organisation. 1997-1999 World Health Statistics Annual. Geneva: WHO, 2000 |
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