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32 Cards in this Set
- Front
- Back
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Why can insects walk on water |
Adhesive properties of water Molecules create a surface to walk on |
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Two processes that reduce dissolved oxygen |
Organisms use dissolved oxygen Temp increases |
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Water pollution categorized |
Human health effects Environmental impacts |
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Human health effects |
Pathogens Inorganic chemicals Organic chemicals Radioactive substances |
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Types of pollutions |
Nutrients Oxygen demand Sediment Thermal |
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Aquatic plants |
Macrophyes Provides shelter |
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Keystone species |
Sharks Frogs Beavers |
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Main water users |
Agriculture 67 Municipal 21 Industrial 6 |
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Depleted aquifers |
Over used by people for domestic uses |
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How water can be contaminated |
Infiltration of contaminants from the surface to unconfined or even confined aquifers |
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Farming practices for nutrient levels |
Crop rotation Cover crops Manure |
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Herbicide mode of action |
How the herbicide effects the plant at the tissue or cellular level Important to elect the proper herbicide, diagnosing herbicide injury |
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Geological regions in sask |
Arctic tundra Canadian or boreal shield Central plains |
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Soil forms |
Time Climate Parent material Bacteria Landscape |
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Soil formation processes 3 |
Weathering Erosion Decomposition |
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Soil erosion |
Tillage erosion Risks of overirriagtion Poor ranching practices |
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Four farmers conservation soil |
Conservation tillage Intercropping Crop rotation Shelter belt |
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Range and wetland |
Erosion control Water regulation Food productions Recreation |
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IPCC |
Organization by the UN environmental program and wmo to provide info on human induced climate change |
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Photochemical smog |
From exhaust pipes of vehicles and smoke stacks of industrial plants |
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Primary air pollutants |
Carbon monoxide Burning of fossil fuels Causes headaches Nitrogen oxide Forest fires Causes respiratory infections Particulate matter Sea spray Increase chance of cancer VOC Burning fossil fuels and wood Causes headaches |
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Federal and provincial roles 4 air quality |
Federal : addresses environmental standards, pollution reduction Provincial: clean air act, regulates emissions |
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Catalytic converter |
Helps reduce emissions. Converts pollutants into harmless substances |
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Greatest challenge as a society |
Achieve a sustainable balance between people and resources |
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Different crises that happen worldwide |
War, instabilities, epidemics |
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Impacts between men and women and both |
Depression Men are detained Women are internally displaced |
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Responsible for collection and tested waste |
Municipal or regional government |
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Landfill benefits |
Immediate waste management Stops waste from entering the environment |
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Benefits for thermal treatment |
Produces energy Reduces volume of waste Ash enters the atmosphere Air pollutants |
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Concerns and benefits for recycling |
Less energy for productions Encourages greater responsibility Sales for recycled products increase Requires water and other resources |
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Concerns and benefits for composting |
Plants need less water Less waste going into landfills Increase in leachate People don't want to do it |
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Three steps in sweater treatments plants |
Primary: separates large solids of sewage Secondary: settling tank Tertiary: passes through a natural wetland |
