Table 1 Status of Canada's national series of environmental indicators
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STATUS OF CANADA'S NATIONAL SERIES OF ENVIRONMENTAL INDICATORS |
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| Theme: Ecological Life Support Systems Issue: Stratospheric Ozone Depletion |
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| INDICATORS | New supplies of ozone- depleting substances Global atmospheric concentrations of ozone-depleting substances Stratospheric ozone levels |
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Issue: Climate Change |
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| INDICATORS | Carbon dioxide emissions from fossil fuel use Global atmospheric concentrations of greenhouse gases Global and Canadian temperature variations |
| Issue: Toxic Contaminants in the Environment: Persistent Organochlorines | |
| INDICATORS | Contaminant levels in Double-crested Cormorant eggs: DDEand PCBs Contaminant levels in Double-crested Cormorant eggs: dioxins and furans |
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Issue: Acid Rain |
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| INDICATORS | Emissions of sulphur dioxide EmIssions of mtrogenoxldes Wet su!phatedeposition Trends in lake acidity in south-eastern Canada |
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Theme: Human Health and Well-being Issue: Urban Air Quality |
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| INDICATORS | Average levels of air pollutants in Canadian cities Number of hours ground-level ozone exceeded objective Levels of aiibome particles in Canadian cities Airtoxins in Cilnadlan cities: Benzene |
| Issue: Urban Water: Municipal Water Use Wastewater Treatment | |
| INDICATORS | Daily municipal water use Municipal population served by waste Metered residential water use |
| Theme: Natural Resource Sustainahility Issue: Sustaining Marine Resouces: Pacific Herring Fish Stocks | |
| INDICATORS | Abundance(spawning biomass)of Pacific herring stocks Commercial catch of Pacific herring Economic value of Pacific herring |
| Issue: Sustaining Canada's Forests: Timber Harvesting | |
| INDICATORS | Natural disturbance trends Timber harvest levels Economic value of harvesting Regeneration after harvest |
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Theme: Pervasive Influencing Factors Issue: Energy Consumption |
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| INDICATORS | How Canadians travel Fossil fuel use by automobiles Fuel efficiency of new automobiles Urban transit and automobile use |
| PROVISIONAL NATIONAL INDICATORS UNDER DEVELOPMENT | |
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Theme: Ecological Life-Support Issue: Biodiversity Change |
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| INDICATORS | Human activity pressure on biodiversity Changes in songbird populations Species richness by ecoregion Natural area protected |
| Issue: Toxic Contaminants in the Environment: the Artic | |
| INDICATORS | Contaminants in marine mammals Sources of toxic contaminants |
| Issue: Marine Ecosystem Health: Bacterial Contamination | |
| INDICATORS | Fecal bacteria levels Marine discharges Shellfish harvest closures Marine beach closures Coastal wastewater treatment |
| Theme: Human Health and Well-being Issue: Freshwater Quality | |
| INDICATORS | Related to use for aquatic organisms/ drinking water supply recreational purposes/ economic activities |
| Issue: Urban Environmental Quality | |
| INDICATORS | Urban green space |
| Theme: Sustaining Natural Resources Issue: Sustaining Marine Resouces: Atlantic Shellfish | |
| INDICATORS | Commercial catch of lobster -inshore; offshore Commercial catch of Snow Crab Commercial catch of Northern Shrimp Landed value of commercial catch |
| Issue: Sustaining Marine Resources: Pacific Salmon | |
| INDICATORS | Population at risk Spawner abundance (escapement) Total catch Habitat change - urban growth; coastal forestry Economic value of commercial catch Economic value of recreational fishing |
| Issue: Sustaining Canada's Forests: Forest Biodiversity | |
| INDICATORS | Road access Population trends of forest birds Relative abundance of predominant trees species groupings Age-class distribution of forests Forest-dependent species at risk Protected forest area |
| Issue: Sustaining Canada's Forests: Non- Timber Values | |
| INDICATORS | Related to use as habitat; watershed-water supply; slope stability; recreational and aesthetic values; carbon sink |
| Theme: Pervasive Influencing Factors Issue: Solid Waste Management | |
| INDICA TORS | Solid waste disposal trends-municipal Types of disposal and recycling |
| Issue: Urbanization | |
| INDICATORS | Urban land-use change |