Appendix A Cruise Topics
Inter-relationships of Topics Covered on Cruises
I. SCIENCE
- Physical and chemical water characteristics and their significance
- Temperature
- Dissolved oxygen and percent saturation
- Specific conductance
- Turbidity
- pH
- Color
- Light penetration
- Biology
- Organisms of the bottom sediments (benthos)
- Plankton (floating organisms)
- Fishes
- Food chains and food webs
- Exotic species
- Earth Science/Geology
- Origins of the Great Lakes
- Change in the Great Lakes basins
- Fate of the Great Lakes
- Bottom sediments
- Watersheds and their significance
- Land use
- Point and Nonpoint sources of pollutants
- Stormwater
- Air pollution
- Pollution prevention
- Daily, seasonal, and long-term changes in lakes and streams
- Natural change (eutrophication)
- Water levels & erosion
- Accelerated change due to human impact (cultural eutrophication)
- Global warming
- Lake Michigan sand dunes and dune mining
- Origins of dunes
- Environmental significance of dunes
- Uses of dune sand
- Protection of dunes
- Coal burning power plants
- Acid precipitation
- Air pollution
- Global warming
- Transportation
- Energy demand and energy conservation
- Great Lakes fisheries
- Native species
- Commercial fisheries
- Recreational fisheries
- Fishery management
- Exotic species
- The Great Lakes and climate
- Agriculture
- Recreation
- Shipping
- Navigation and geography
- Latitude and longitude
- Magnetic compass
- Depth sounding
- Charting
- Radar
- Technology
- Computers
- Analytical instruments
- Navigation instruments
- Quantitative
- Data analysis
- Graphing
- Averaging
- Environmental ethics
II. SOCIOECONOMIC TOPICS
- Local and regional history
- Native populations
- Fur trading
- Commercial fishing
- Logging
- European settlement
- Agriculture
- Manufacturing
- Recreation
- Commercial and sports fishing
- Transportation and shipping
- Passenger
- Cargo
- Limiting factors
- Impacts of economic development
- Transitions - causes and effects
- From an agrarian to an industrial society
- From an industrial to a technological society
- Quality of life and environmental ethics
- Pollution prevention
- The sprawling cities
- Environmental justice
- Brownfields and their reclamation