The Wisconsin River
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The Wisconsin River. Mrs. Hoffmann May 21, 2013. The Wisconsin River is “the hardest-working river in the United States!”. https://vimeo.com/20854491. For this part you need to focus on three topics:. The reading for last week discussed indicators of the health of our river based on:

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The Wisconsin River

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The Wisconsin River

Mrs. Hoffmann

May 21, 2013


The Wisconsin River is

“the hardest-working river in the

United States!”

https://vimeo.com/20854491


For this part you need to focus on three topics:

  • The reading for last week discussed indicators of the health of our river based on:

  • CHEMICAL

  • PHYSICAL and

  • BIOLOGICAL factors associated with Water Quality


Water quality:

  • The Wisconsin River has very good water quality near it’s source in the north.


Water quality:

  • further downstream the water has a brown cast due to tannins in the water


Water quality:

  • tannins that are leached from the decaying vegetation can also make the water smell and taste bitter.


Water quality:

Water downstream from major cities became very polluted.

- municipal wastes

- industrial pollution

-farm run-off


Water quality:

There are standard tests that are done by ‘water chemists’ to collect data on the water in the river.


CHEMICAL…


  • ISSUES OCCUR WITH:

  • Runoff from

  • agricultural fields

  • barnyards

  • residential yards

  • wastewater from industrial

  • and municipal systems

  • THESE “fertilize the water”.

A rash from wading in an algae bloom


Water quality tests: TEMPERATURE

  • Warm water dissolves less oxygen

  • Warm water allows more pathogens and/or bacteria to reproduce

  • Warm water encourages more plant growth


Water quality tests: DISSOLVED OXYGEN (D.O.)

  • MOST SIGNIFICANT WATER QUALITY TEST.

  • used to determine the suitability of a stream for fish and other aquatic organisms


Water quality tests: DISSOLVED OXYGEN (D.O.)

MORE OXYGEN DISSOLVES:

  • Close to the top

  • If there are plants in the water


Water quality tests: DISSOLVED OXYGEN (D.O.)

FISH KILL ON THE EAU PLEINE:


Water quality tests: pH

  • Bacteria thrive at just about any pH

  • Other animals need water nearly neutral

  • WHAT CAUSES ACID RAIN?


Water quality NITRATES:

  • Needed by all living plants and animals to build protein.

  • Sources of nitrates:

  • Rainfall: 0.5 mg/L

  • Lawn Fertilizer

http://www.kwwl.com/story/22252773/2013/05/14/nitrate-levels-ris

http://www.youtube.com/watch?v=BIpFAwSbP54


Water quality NITRATES:

  • SOURCES OF NITRATES:

  • Sewage added by humans.

  • Poorly functioning septic systems and inadequately treated waste water.


Facts about the Wisconsin River:

7. There are 120 waste treatment facilities located along the Wisconsin River.

“the hardest-working river in the United States!”


Facts about the Wisconsin River:

9. This is quite a bit since there are only 35 cities along the river.

There are 92 smaller towns, though


Water quality NITRATES:

  • SOURCES OF NITRATES:

  • Animals such as ducks and geese and animal waste from farms.

http://www.wicd15.com/news/top-stories/stories/the-dangers-goose-poop-7184.shtml 2 min


Water quality NITRATES:

  • SOURCES OF NITRATES:

  • Industry= acid rain.


Water quality: PHOSPHATES

  • Indicator of human activity -

  • Human and animal wastes

  • Soil erosion/ nutrients/ fertilizers

  • Detergents: don’t bathe in lakes/streams!

http://www.youtube.com/watch?v=GSOrfj_5J6s


Water quality CHLORIDES:

  • INDICATES POSSIBLE WATER POLLUTION.

  • septic systems

  • animal waste

  • potash

  • drainage from road-salting chemicals


PHYSICAL…


Water quality: TURBIDITY

  • measure of water clarity

  • can decrease the amount of light so decrease in oxygen

  • influenced by rain

  • great indicator of runoff from construction sites, fields, industrial discharge and eroding banks


HOWEVER…


The general quality of the water has improved in the last 30 years in the Wisconsin River.

numerous partnerships with state agencies to prevent pollution/ clean up the waters.

Individuals are doing their part, too.


BIOLOGICAL…


Wisconsin River animal resources:- many different species of fish


Wisconsin River animal resources:- many different species of macroinvertebrates

They can’t move well, so they are good indicators… some are very sensitive according to the BIOTIC INDEX


Wisconsin River animal resources:-fur bearing animals were important in the past


Wisconsin River animal resources:-many birds are closely tied to the fish populations


Recreational Use:

boating


  • http://www.history.com/shows/only-in-america-with-larry-the-cable-guy/videos/down-the-river#

Recreational Use:

Sight Seeing


Recreational Use:

fishing


Recreational Use:

Hunting and trapping


Recreational Use:

Bird Watching


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