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ENVIRONMENTAL ISSUES

ENVIRONMENTAL ISSUES. Web Culture Vulture.

andrew-chang
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ENVIRONMENTAL ISSUES

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  1. ENVIRONMENTAL ISSUES

  2. Web Culture Vulture • Down load two photos of each of the environmental issues covered in this unit. Write a sentence or two toexplain the pictures. With the sea lion you could use a picture of the sea lion, and one of the Pollok fish and write a little about the loss of the sea lions food because we also eat Pollock. • The topics are indicated by a *. There are 17 stars. • Due on day of exam.

  3. US Exclusive Economic zone • Written into law in March 1983 • Extends 200 miles out to sea • Foreign vessels must be invited to fish there

  4. US Exclusive Economic zone • Fig 11.1 p 315 map in book

  5. Food chain disruption • Remember the food chains Fig 13.20 p 394 • Today there is a decrease in the Stellar sea lion populations in the Gulf of Alaska • Stellar sea lions eat Pollock • Pollock is a great tasting fish, so we eat it • Therefore Pollock is over fished

  6. Endangered SpeciesSource NOAA • ESA Listing Rule - Endangered Status for Western population62 FR 2434505/05/1997ESA Listing Rule - Threatened Status55 FR 4920411/26/1990Critical Habitat Designation58 FR 4526908/27/1993Protection Measures for the Groundfish Fisheries Off Alaska68 FR 20401/02/2003Recovery Plann/a12/1992Draft Revised Recovery Plan71 FR 2991905/24/2006

  7. http://www.fws.gov/endangered/laws-policies/ • Go to this web cite and have a look around. Play the video. *

  8. Steller Sea Lion • *

  9. Bycatch fish caught in nets besides the target fish p 414 - 415 • All fish caught inside our economic zone must be reported to the US government • Trawling Fig 13.26 p 398 • http://youtu.be/9Uo-YpFHV70 play this video *

  10. Trawling

  11. Trawl fishing

  12. Pelagic Longline

  13. Protecting our inland water ways • * • In coming ships • Ballast stowaways • Toxic spills • Destruction of fragile flora and fauna • There is a quit a bit of talk about the great lakes water way right now

  14. Coastal wet lands • Under the federal Clean Water Act, states are required to have a method in place to protect wet lands (it may not actually work, but it must be in place)

  15. Clean water act • 564 page document with several amendments.

  16. *

  17. Mangroves • Remember what happened to the coasts and people of the islands during the tsunami of 2004 • Salt marshes and mangroves Fig 11.13 p 325 Read p 324 – 326 • What else are mangroves good for? • Habitat for fish and shell fish larvae, juveniles, as well as adults

  18. Pollution • What is pollution • Pages 326- 327

  19. Oil • There has been some really bad oil spills • Largest spill was in1991 during the first Gulf war • Oil spill in the Black Sea November 2007 • BP deep ocean well blowout 2010 * • How much oil do you think we actually recover? • Only between 8 -15%

  20. Oil cont. • No. 2 fuel oil - A complex combination of hydrocarbons with carbon numbers in the range C9 and higher produced from the distillation of petroleum crude oil. • This is often the stuff of which oil spills are made. • Fig 11.19 p 332 book

  21. Oil cont. *

  22. Dumping garbage into the Great Lakes is prohibited by law, but it continues under the very eyes of the Coast Guard.

  23. Two points I want you to cover from the book * • Osmosis: the movement of water through a semipermiable membrane. Read this in your text. We saw this in marine animals. • Maintenance of body temperature, look at cold blooded vs. warm blooded

  24. Double hulled ships

  25. Radioactive waste • Look up radioactive dumping then radioactive dumping united states run the Chernobyl incident on youtube • Run through the news stories • How do we get rid of this mess • Some suggest dumping it into the subduction zones. • Do you think that will work?

  26. Radio active waste

  27. Low oxygen levels Ch 11 • Where do they occur ? • Gulf of Mexico, Black Sea, Red Sea • What causes them ? * • Major cause is fertilizer in the water

  28. Waste management • How can we make a difference?

  29. Marine plastic pollution • There is a law against dumping plastic from ships • It is a danger to the marine animals Fig. 11.29 p 338 *

  30. Coral reef pollution *

  31. LA River trash recovery

  32. Plastic pollution Box 11.2 p 339 plastic is the only substance that can not be dumped in the ocean Eastern Pacific Garbage Patch * Fig 11.30 p 340

  33. Eastern Pacific Garbage Patch

  34. Birds eat plastics

  35. Cape fur seal lying on rock, dead of suffocation from a plastic wire wound around its neck, South Africa.

  36. Marine plastic pollution

  37. Toxins • Heavy metals • any of a number of higher atomic weight elements, which has the properties of a metallic substance at room temperature, we are interested in those that are toxic to marine life, Cu, Hg, Bi, As, Al, • Concentrations of toxic waste is found * • in sediments • In shellfish • how does this work? I went over this in class

  38. Toxins • Minamata disease Hg • Fig 11.25 p 335 Children with Congenital Minamata Disease due to intrauterine methylmercury poisoning. Photo credit: Harada 1986.

  39. [Hg] p 336

  40. The mad hatter • * What was this like, what caused it? Why the name, ‘mad hatter’? (answer these questions in your culture vulture)

  41. Toxins • Lead poisoning: Government agencies estimated that it would cost $16.6 billion per year from 2001 to 2010 to inspect and clean up lead paint hazards in houses that have not yet been cleaned up. • Do you think this has been completed?

  42. Phytoremediation * • Dept. Horticulture Science, HFSB 416, Texas A&M University,College Station, Texas 77843-2133.

  43. Phytoremediation

  44. How PCBs are used today • Capacitors may contain PCBs, as well as fluorescent light ballasts, transformers, X-ray equipment and vacuum pumps, lubricating and cutting oils, and as additives in pesticides, paints, carbonless copy (NCR) paper, adhesives, sealants, plastics,reactive flame retardants, and as a fixative for microscopy.

  45. PCBs and DDT* • Polychlorinated biphenyls p 334– 335 • DDT • Greatest use in the early 1960 • Are no longer made or used in the USA • Are still entering the environment • Remain in sediments for long time • Fig 11.24 p 335

  46. Boston Harbor sewage effluent

  47. Blue colors meet swimming standard, red-purple colors exceed swimming standard of 35 colonies/100 ml.

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