REVIEW THE TEXT, POWERPOINT AND USE THE INTERNET TO COMPLETE THIS
WORKSHEET
Define the following terms as they relate to water:
1.
2.
3.
4.
5.
freshwater aquatic ecosystem
watershed
surface runoff
point & nonpoint pollution sources
natural and cultural eutrophication
Define and explain the importance of each of the water parameters below:
1. dissolved oxygen content,
2. biological oxygen demand
3. acidity,
4. alkalinity,
5. hardness
6. pH
7. nitrates,
8. nitrites,
9. ammonia
10. phosphates
11. total dissolved solids
12. tubidity
Explain how to calculate a Water Quality Index and list some naturally occurring and man-made
sources of freshwater pollution that would cause a low WQI:
THE SOURCES BELOW MAY OFFER SOME INSIGHT AS WELL AS THE LINKS ATTACHED TO
THE ASSIGNMENT.
NOAA: https://oceanservice.noaa.gov/education/kits/estuaries/media/supp_estuar10g_nutrients.ht
ml
From Penn State Univ.: Dissolved nutrients: https://www.e-education.psu.edu/earth103/node/838
From BATS ( Bermuda Atlantic Timeseries Study, a long-term program of the Bermuda Biological
Station for Research )
Ocean Properties: http://www.coexploration.org/bbsr/classroombats/html/ocean_properties.html
From El Camino College: (May not be exactly what you're looking for, but seems very relevant to
the topic. ):
https://www.elcamino.edu/faculty/tnoyes/Units/10A_Unit1-Phytoplankton.pdf
Possibly relevant: From ECASA ( The ECASA project was co-funded by contract 006540 from EC's
DG Fish, and by EU member and associated states, to develop an ecosystem approach to
sustainable aquaculture. ) http://www.ecasatoolbox.org.uk/index.html