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BIOL 2650 |
Study Guide Chapter 11 Part 2: Water
resources |
Fall 2008 |
1. What is the difference between point and non-point
sources of pollution? Which are harder to control?
2. Water quality is measured by assessing which:
Biological factors:
what does the coliform
bacterial test show?
Chemical factors
Physical factors
3.. Know how the following impact water quality:
Nutrients and OM
What does BOD mean? What does it indicate?
Pathogens
Toxic chemicals
Sediments
Heat and cold
4. In what way is groundwater pollution a more serious
problem than surface water pollution?
5. Can polluted groundwater be treated?
6. What are the three specific goals of modern wastewater
treatment?
7. What types of materials are typically NOT removed during
treatment?
8. The water in the ocean develops layers or strata based
on what two characteristics?
9. How are upwellings important in ocean ecology?
10. Most photosynthesis occurs between the surface and what
depth?
11. Know kelp forests, coral reefs, and mangrove swamps as
important community types- provide physical structure and food (via
photosynthesis) for complex and diverse food webs.
Kelp forest- mainly temperate zone, rocky coastlines
Coral Reefs and Mangroves- tropical to subtropical, sandy
coastlines
12. What are the major threats to mangrove forests?
13. What are the major threats to coral reefs?
14. In what way is plastic debris a threat to sea life?
15. What are the sources of oil pollution? How does
it affect sea life?
16. In what ways does nutrient pollution impact ocean life?
17. What are “red tides”?
18. What evidence is there that the oceans are being
over-harvested?
19. What factors (besides greed) have led to the modern
overexploitation of fish and other marine species?
20. What is by-catch and why is it a problem?
21. Understand how drift nets and bottom-trawling
contribute to the destruction of marine life.
22. What are the benefits of Marine Preserves for marine
life?
For fishermen?
23. Describe the following socio/political solutions to
overfishing.
Boat buyouts
Shared Catch or Individual transferable
quotas (ITQs)
Consumer awareness programs
Ending government subsidies
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