More detailed information about nitrogen, phosphorus, and sulphur cycles. (
http://www.lenntech.com/matter-cycles.htm
)
Page 39 University of Alberta ecology professor, Dr. David Schindler, has received numerous awards and honours for his untiring work in the study of water, aquatic ecosystems, and the effects of pollutants and overindulgent human use on both. In what ways has Dr. Schindler been recognized by the Canadian and international community, and for what reasons?
Top Ecologist David Schindler Named Winner (
http://www.nserc.gc.ca/news/2001/p011105a.htm
)
Page 44 How much carbon dioxide do you and your family generate in your daily activities? Compare the results of at least two online carbon dioxide calculators.
Find out how much carbon dioxide your community can prevent from entering the atmosphere by reducing the time motorists spend idling their
vehicles. (
http://oee.nrcan.gc.ca/transportation/tools/co2-calculator/index.cfm?attr=8
)
Calculate your personal carbon dioxide emissions. (
http://www.nef.org.uk/energyadvice/co2calculator.htm
)
Page 47 The Winogradsky column is an artificial ecosystem that represents a natural pond-mud ecosystem. What accounts for the different layers in a Winogradsky column?
Visit this site for photographs, labelled diagrams, and a description of the Winogradsky column. (
http://helios.bto.ed.ac.uk/bto/microbes/winograd.htm
)
Visit this site for an interesting description and photographs of one specific Winogradsky column. (
http://www.umanitoba.ca/faculties/science/microbiology/wall/228/wino.htm
)
Learn about the Winogradsky column by viewing this animated and narrated tutorial. (
http://www.sumanasinc.com/webcontent/anisamples/microbiology/winogradsky.html
)
Page 55 Not all scientists agree with Lovelock, that Earth acts like an organism. How is the Gaia Hypothesis accepted in the scientific community?
Page 67 Go Further…
1. Indoor environments affect outdoor environments, and vice versa. Research one aspect of building construction or interior design that affects the outside environment.
2. It is important for buildings to be designed to bring in fresh air. When carbon dioxide levels are too high, buildings get stuffy and people get headaches and feel sleepy. How do outdoor carbon dioxide levels affect the amount of fresh air that people need to bring into buildings?
3. In what ways are food quality and food safety global issues?
Effects of Construction in the Silver Maple Forest Bordering Alewife Brook Reservation (
http://www.friendsofalewifereservation.org/2006_05_01_constructioneffects.htm
)